CN205752597U - A kind of lightning protection earthing system - Google Patents
A kind of lightning protection earthing system Download PDFInfo
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- CN205752597U CN205752597U CN201620718672.0U CN201620718672U CN205752597U CN 205752597 U CN205752597 U CN 205752597U CN 201620718672 U CN201620718672 U CN 201620718672U CN 205752597 U CN205752597 U CN 205752597U
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- pole
- earthing
- inclination
- earthing pole
- lightning protection
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- 238000000605 extraction Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007785 strong electrolyte Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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- Elimination Of Static Electricity (AREA)
Abstract
This utility model relates to surge protection technical field of electric power, specifically disclose a kind of lightning protection earthing system, including the extraction earthing pole being connected with earth lead, the horizontal grounding pole being connected with earthing pole, and the vertical grounding electrode being connected with horizontal grounding pole, described horizontal grounding pole is provided with inclination earthing pole with the junction point of vertical grounding electrode, described inclination earthing pole is symmetrical on the basis of horizontal grounding pole and vertical grounding electrode place plane, and the inclination earthing pole of every side is all set to many, described many tilt earthing pole centered by the junction point of horizontal grounding pole and vertical grounding electrode in divergent shape.This utility model is by changing the structure of grounded screen, thus improves on conventional art the shortcoming that earthing pole length is long, contact area is not enough, earth resistance is excessive.
Description
Technical field
This utility model relates to technical field of electric power, particularly relates to a kind of lightning protection earthing system.
Background technology
It is known that thunder and lightning has great destructiveness, its voltage is up to millions of volt, and immediate current may be up to hundreds thousand of
An Bei.The destructive consequence that caused of thunderbolt is embodied in following three aspect: (1) device damage, casualties；(2) equipment or
Components and parts service life reduction；(3) transmit or the signal, the data that store are interfered or lose, even make electronic equipment produce malfunction
Make and temporarily paralyse or whole system pause.At present, the most various buildings, facility great majority are still used alone traditional taking shelter from the thunder
Pin lightning protection, using discharging rod to prevent direct stroke from facts have proved is economically and efficiently, but, along with modern electronic technology not
Disconnected development, the using and networking of a large amount of sophisticated electronicses, discharging rod seems helpless to the protection of these electronic equipments.Keep away
Thunder pin can not stop indirect lightning strike overvoltage, switching overvoltage and lightning surge intrusion overvoltage, and this kind of overvoltage is broken
The arch-criminal of bad a large amount of electronic equipments.
For the deficiency of conventional lightning conductor, the schemes of prevention against lightning of Modern Lightning Protection Technology system includes outside lightning protection and internal lighting protection
Two aspects:
Outside lightning protection includes discharging rod, lighting proof strip, downlead, earthing pole etc., and its main function is present to ensure that builds
Build the invasion and attack from direct lightning strike of the thing body, it would be possible to the thunder and lightning hitting building is released by discharging rod, lighting proof strip, downlead etc.
Enter the earth.
Internal lighting protection system is to arrange, by needs for equipment and the safety of personnel of protection interior of building
Suitable lightning protection device is installed in the front end of protection equipment, makes equipment, circuit form an isoelectric level body with good conditionsi with the earth, can
The lightning current that can enter stops outside, the lightning current making because of thunderbolt inner facility be sensed is able to safety relief and enters ground,
Guarantee to be followed by the safety of equipment.
By outside lightning protection and internal lighting protection, the damage that effectively preventing is struck by lightning brings, outside lightning protection and internal lighting protection phase
Auxiliary coordinate indispensable.Whether direct lightning strike protection or the protection of the electrostatic induction of thunder and lightning, electromagnetic induction and lightning surge intrusion
Technology, is the most all that lightning current is sent into the earth, does not therefore have good grounding technology, it is then not possible to have qualified lightning protection
Journey.Based on this, the utility model proposes a kind of lightning protection earthing system.
Utility model content
In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that can reduce earth resistance, peace
The lightning protection earthing system of full leakage current efficiently.
In order to solve above-mentioned technical problem, this utility model uses following scheme to realize:
A kind of lightning protection earthing system, including the extraction earthing pole being connected with earth lead, the level being connected with extraction earthing pole
Earthing pole, and the vertical grounding electrode being connected with horizontal grounding pole, described horizontal grounding pole sets with the junction point of vertical grounding electrode
Having inclination earthing pole, described inclination earthing pole is symmetrical on the basis of horizontal grounding pole and vertical grounding electrode place plane, and
The inclination earthing pole of every side is all set to many, and described many tilt earthing pole with horizontal grounding pole and the junction point of vertical grounding electrode
Centered by divergent shape.
On conventional art, by increase vertical grounding electrode to increase grounded screen electric capacity, thus earth resistance can be reduced, but
For large-scale grounding network, electric capacity is mainly determined by area size, is additional to the vertical grounding electrode of finite length in grounded screen, does not has
The physical dimension of the capacitance size that changes, thus electric capacity increases little, namely earth resistance reduce also few, therefore for greatly
The grounded screen of type using increase vertical grounding electrode as reduce earth resistance method be impracticable.Also water can be extended by using
Flushing the method in earth polar to reduce earth resistance, when horizontal grounding pole length increases, the impact of inductance increases therewith, so that
Impact coefficient increases, and earth resistance diminishes, but after horizontal grounding pole rises to certain length, even if being further added by its length, connects
Earth resistance also will not diminish again.Therefore, this utility model is by arranging at the junction point of horizontal grounding pole and vertical grounding electrode
The inclination earthing pole of divergent shape, on the premise of vertical grounding electrode not being produced shielding action, it is possible to effectively increase contact area,
Thus effectively reduce earth resistance.
The inclination earthing pole quantity of described horizontal grounding pole and plane both sides, vertical grounding electrode place is respectively three, and three
Tilt and between the end points of earthing pole, form equilateral triangle.When the inclination earthing pole quantity of plane both sides is respectively three and three
End points formed equilateral triangle time, grounded screen now is in addition to more three-dimensional, and the Potential distribution that also can make ground is more equal
Even, the contact voltage of equipment and the step voltage on ground can be reduced.
Further, the angle between three inclination earthing poles in divergent shape is 30 ° ~ 50 °.Three tilt earthing pole it
Between angle be not the smaller the better or be the bigger the better, angle is more hour, it is possible to occur that the shielding to vertical grounding electrode is made
With, when angle is the biggest, it is impossible to effectively reduce contact voltage and the step voltage on ground of equipment, therefore, through lot of experiments, angle
Degree is the most suitable scope at 30 ° ~ 50 °.
The end of described horizontal grounding pole, vertical grounding electrode and inclination earthing pole is provided with graphite integument.Graphite integument
There is good conductive effect, and be not easy by thunder and lightning calcination, it is ensured that lightning protection effect.
Described graphite integument forms umbrella-shaped structure with the end of horizontal grounding pole, vertical grounding electrode and inclination earthing pole.
The graphite integument of umbrella is in addition to being easy to earthing pole is positioned over underground, moreover it is possible to quickly leakage current.
Next-door neighbour tilts the soil of earthing pole and is provided with friction reducer packed layer.
After earthing pole is arranged around friction reducer packed layer, friction reducer can form tree root effect to the infiltration of bottom around, from
And play increase earthing pole overall dimensions, the effect of the earth resistance between reduction and surrounding soil medium.Friction reducer is chemistry
Friction reducer, has the good strong electrolyte of electric conductivity and moisture, these strong electrolytes and moisture and is surrounded by netted colloid, net
The colloid that the space of shape colloid is partially hydrolysed again is filled so that friction reducer is unlikely to run off with subsoil water and rainwater, because of
And good electric action can be kept for a long time.Owing to being provided with inclination earthing pole, it is arranged around friction reducer at inclination earthing pole and fills out
Fill the resistance reducing effect that layer can reach good, be not required to arrange friction reducer packed layer, effectively in horizontal grounding pole and vertical grounding electrode
Reduce cost.
Compared with prior art, this utility model has the advantages that this utility model is by changing grounded screen
Structure, thus improve on conventional art the shortcoming that earthing pole length is long, contact area is not enough, earth resistance is excessive.
Accompanying drawing explanation
Fig. 1 is lightning protection earthing system structural representation；
Fig. 2 is the attachment structure side view of horizontal grounding pole, vertical grounding electrode and inclination earthing pole；
Fig. 3 is that vertical grounding electrode arranges graphite integument structural representation.
Detailed description of the invention
In order to allow those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with the accompanying drawings to this
Utility model is further elaborated.
Embodiment
As shown in Fig. 1 ~ 3, a kind of lightning protection earthing system, including the extraction earthing pole 100 being connected with earth lead, connect with extraction
The horizontal grounding pole 200 that earth polar 100 connects, and the vertical grounding electrode 300 being connected with horizontal grounding pole 200, described level connects
Earth polar 200 is provided with inclination earthing pole 400 with the junction point of vertical grounding electrode 300, and described inclination earthing pole 400 is with horizontal grounding pole
200 and vertical grounding electrode 300 place plane on the basis of symmetrical, and the inclination earthing pole 400 of every side is all set to three, described
Three tilt earthing pole 400 centered by the junction point of horizontal grounding pole 200 and vertical grounding electrode 300 in divergent shape, and three
Tilting and form equilateral triangle between the end points of earthing pole 400, the every angle tilted between earthing pole 400 is 45 °.Described water
The end flushing earth polar 200, vertical grounding electrode 300 and inclination earthing pole 400 is provided with graphite integument 500, and described graphite wraps up
Layer 500 forms umbrella-shaped structure.Soil near described inclination earthing pole 400 arranges friction reducer packed layer.
Above-described embodiment is only wherein specific implementation of the present utility model, and it describes more concrete and detailed, but also
Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that, for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these are apparent
Alternative forms belong to protection domain of the present utility model.
Claims (6)
1. a lightning protection earthing system, including the extraction earthing pole being connected with earth lead, the level being connected with extraction earthing pole connects
Earth polar, and the vertical grounding electrode being connected with horizontal grounding pole, it is characterised in that described horizontal grounding pole and vertical grounding electrode
Junction point is provided with inclination earthing pole, and described inclination earthing pole is symmetrical on the basis of horizontal grounding pole and vertical grounding electrode place plane
Being distributed, and the inclination earthing pole of every side is all set to many, described many tilt earthing poles with horizontal grounding pole and vertical grounding electrode
Junction point centered by divergent shape.
Lightning protection earthing system the most according to claim 1, its feature exists, described horizontal grounding pole and vertical grounding electrode place
The inclination earthing pole quantity of plane both sides is respectively three, and forms equilateral triangle between three end points tilting earthing pole.
Lightning protection earthing system the most according to claim 2, it is characterised in that between three inclination earthing poles in divergent shape
Angle be 30 ° ~ 50 °.
4. according to the lightning protection earthing system described in claim 1 or 2 or 3, it is characterised in that described horizontal grounding pole, vertically connect
The end of earth polar and inclination earthing pole is provided with graphite integument.
Lightning protection earthing system the most according to claim 4, it is characterised in that described graphite integument and horizontal grounding pole,
The end of vertical grounding electrode and inclination earthing pole forms umbrella-shaped structure.
Lightning protection earthing system the most according to claim 1, it is characterised in that next-door neighbour tilts the soil of earthing pole and is provided with fall resistance
Agent packed layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620718672.0U CN205752597U (en) | 2016-07-08 | 2016-07-08 | A kind of lightning protection earthing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620718672.0U CN205752597U (en) | 2016-07-08 | 2016-07-08 | A kind of lightning protection earthing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752597U true CN205752597U (en) | 2016-11-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620718672.0U Active CN205752597U (en) | 2016-07-08 | 2016-07-08 | A kind of lightning protection earthing system |
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| Country | Link |
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| CN (1) | CN205752597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638483A (en) * | 2019-01-24 | 2019-04-16 | 贵州电网有限责任公司 | A kind of novel tree root shape structure spark thorn |
| PL243788B1 (en) * | 2021-05-04 | 2023-10-09 | Andrzej Messyasz | Grounding unit for power facilities |
-
2016
- 2016-07-08 CN CN201620718672.0U patent/CN205752597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638483A (en) * | 2019-01-24 | 2019-04-16 | 贵州电网有限责任公司 | A kind of novel tree root shape structure spark thorn |
| PL243788B1 (en) * | 2021-05-04 | 2023-10-09 | Andrzej Messyasz | Grounding unit for power facilities |
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