CN109921206A - A kind of graphite-based aerial drainage earthing pole - Google Patents
A kind of graphite-based aerial drainage earthing pole Download PDFInfo
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- CN109921206A CN109921206A CN201910245373.8A CN201910245373A CN109921206A CN 109921206 A CN109921206 A CN 109921206A CN 201910245373 A CN201910245373 A CN 201910245373A CN 109921206 A CN109921206 A CN 109921206A
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- CN
- China
- Prior art keywords
- aerial drainage
- earthing pole
- grounding electrode
- flexible grounding
- graphite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 35
- 239000010439 graphite Substances 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 74
- 239000002184 metal Substances 0.000 claims abstract description 74
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The present invention relates to a kind of graphite-based aerial drainage earthing poles.Graphite-based aerial drainage earthing pole, including impact head, tubular graphene base flexible grounding electrode and support inner core, the lower end of tubular graphene base flexible grounding electrode connects impact head, support inner core is mounted in tubular graphene base flexible grounding electrode at lower end position, resistance-lowering material is also filled in tubular graphene base flexible grounding electrode, also around the metal aerial drainage earthing pole for being disposed with two or more or more extension on the outside of tubular graphene base flexible grounding electrode, the lower end of metal aerial drainage earthing pole is connect with impact head, and upper end and tubular graphene base flexible grounding electrode are electrically connected.Metal aerial drainage earthing pole upper end and tubular graphene base flexible grounding electrode are electrically connected, after lower end is connect with impact head, metal aerial drainage earthing pole is in parallel with tubular graphene base flexible grounding electrode, and aerial drainage earthing pole is made to reduce the resistance of aerial drainage earthing pole entirety while having the characteristics that soil wellability is good.
Description
Technical field
The present invention relates to a kind of graphite-based aerial drainage earthing poles.
Background technique
Earthed system is an important component of electric system, is responsible for electrical equipment to connect with the earth, by connecing
Ground downlead and grounded screen main body composition.When thunderstorm weather occurs, thunder-strike current first flows through shaft tower, is connected using with shaft tower
Down conductor ground connection.Therefore, down conductor provides thunder-strike current current by pass, avoids the line occurred by lightning stroke
Road trip accident, and reducing earth resistance of power transmission line is to prevent lightning stroke trip accident and protection transmission line safety operation
Major tasks.The principal element for influencing ground resistance has the ground connection resistivity of soil, the selection of artificial earth electrode, earthing or grounding means
Design and construction technique and method etc..
In electrical engineering, existing earthing pole mostly uses 2.5m long, and 45 × 45mm Zinc-coated angle steel is followed closely in 800mm depth
Bottom of trench, then drawn with lead-out wire.In addition to Zinc-coated angle steel, existing earthing pole is also passed through frequently with diameter 2cm galvanized steel bar or zinc-plated
Angle bar.Metallic ground pole self-resistance is smaller, but there is very big resistivity between metallic ground pole and soil, so that ground connection effect
Fruit is not satisfactory.
The Chinese utility model patent that Authorization Notice No. is CN208315786U, authorized announcement date is 2019.01.01 discloses
A kind of ready-package soft graphite ion grounding electrode, the earthing pole include the edge of a field (i.e. impact head), support inner core (i.e. in support
Core), drop resistance pipe and soft graphite establishment set (i.e. tubular graphene base flexible grounding electrode), enter edge of a field one end be pyramidal structure, one end
For circular tube structure, inner core one end is supported to be inserted into the circular tube structure at the edge of a field, one end links together with drop resistance pipe compression, soft
Property graphite establishment be set in support inner core and drop hinder pipe outside.Installation Shi Xianyong power stick is inserted in will ground connection on the inside of drop resistance pipe
Pole is pounded in ground, extracts power stick filled graphite ion resistance-lowering material in drop resistance is managed later.This graphite earthing pole has
The good feature of soil wellability, but self-resistance is larger, the ability for being resistant to high current is poor.
Summary of the invention
The lesser graphite-based aerial drainage ground connection of preferable and self-resistance the purpose of the present invention is to provide a kind of corrosion resistance
Pole.
To achieve the above object, the technical solution of graphite-based aerial drainage earthing pole of the invention is:
A kind of graphite-based aerial drainage earthing pole, including impact head, tubular graphene base flexible grounding electrode and support inner core, tubular graphene
The lower end of base flexible grounding electrode connects impact head, and support inner core is mounted in tubular graphene base flexible grounding electrode close to lower end position
Locate, resistance-lowering material is also filled in tubular graphene base flexible grounding electrode, also surround arrangement on the outside of tubular graphene base flexible grounding electrode
There are two the above metal aerial drainage earthing pole extended up and down, the lower end of metal aerial drainage earthing pole is connect with impact head, upper end and pipe
Shape graphite-based flexible grounding electrode is electrically connected.
The beneficial effects of the present invention are: the graphite-based aerial drainage earthing pole in the present invention is in tubular graphene base flexible grounding electrode
It wraps around and is disposed with metal aerial drainage earthing pole, metal aerial drainage earthing pole upper end electrically connects with tubular graphene base flexible grounding electrode
Connect, since the resistance of metal aerial drainage earthing pole is low, enhance the discharge capacity of aerial drainage earthing pole, metal aerial drainage earthing pole lower end with
After impact head connection, metal aerial drainage earthing pole is in parallel with tubular graphene base flexible grounding electrode, makes aerial drainage earthing pole with soil
The resistance of aerial drainage earthing pole entirety is reduced while wellability good feature.
Further, tubular graphene base flexible grounding electrode is equipped with metal pipe sleeve, each metal close to the outer sheath of upper end position
The upper end of aerial drainage earthing pole connect with metal pipe sleeve and realizes the electric connection with tubular graphene base flexible grounding electrode.Pass through metal
Pipe sleeve is convenient for for each metal aerial drainage earthing pole and tubular graphene base flexible grounding electrode conduction being assembled together.
Further, metal aerial drainage earthing pole and tubular graphene base flexible grounding electrode arranged for interval radially, Neng Goukuo
Big spark effect, increases the electric conductivity of soil, lowers contact resistance.
Further, metal aerial drainage ground connection extremely rod-like structure.Rod-like structure reduce metal aerial drainage earthing pole enter ground when
Resistance.
Further, metal aerial drainage ground connection extremely copper bar or steel pole or aluminium bar, the resistance of copper bar, steel pole and aluminium bar is smaller.
Further, the inside of tubular graphene base flexible grounding electrode is also fitted with interior metal aerial drainage electricity close to upper end position
The lower end of pole, interior metal aerial drainage electrode is inserted in resistance-lowering material, and upper end is connect with tubular graphene base flexible grounding electrode.Interior metal is let out
Galvanic electricity pole connect with the ground cable of ground can reduce ground again after connecting with resistance-lowering material and tubular graphene base flexible grounding electrode
Resistance between upper ground cable and aerial drainage earthing pole.
Further, interior metal aerial drainage electrode is long strip-board shape structure.Long strip-board shape structure is capable of increasing interior metal aerial drainage
The contact area of electrode and resistance-lowering material reduces the contact resistance of interior metal aerial drainage electrode and resistance-lowering material.
Further, drop resistance pipe, the pipe of drop resistance pipe are being also equipped with close to lower fragment position in tubular graphene base flexible grounding electrode
Wall is equipped with multiple perforation tube walls for the overflow hole of the resistance-lowering material outflow in it.The inside resistance-lowering material of drop resistance pipe can pass through
Overflow hole spilling is diffused into soil nearby, improves the conductive effect of earthing pole and soil.
Detailed description of the invention
Fig. 1 is to be inserted into power in the specific embodiment of graphite-based aerial drainage earthing pole of the invention in graphite-based flexible grounding electrode
The structural schematic diagram of stick；
Fig. 2 is to fill resistance-lowering material in the specific embodiment of graphite-based aerial drainage earthing pole of the invention in graphite-based flexible grounding electrode
Structural schematic diagram；
Fig. 3 is the top view of Fig. 2；
Description of symbols: 1- impact head；2- supports inner core；3- drop resistance pipe；4- overflow hole；5- tubular graphene base flexible ground
Pole；6- metal aerial drainage earthing pole；7- resistance-lowering material；8- metal pipe sleeve；Metal aerial drainage electrode in 9-；10- power stick.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of graphite-based aerial drainage earthing pole of the invention, as shown in Figure 1 to Figure 2, graphite-based aerial drainage earthing pole
Including impact head 1, tubular graphene base flexible grounding electrode 5, drop resistance pipe 3 and support inner core 2.1 one end of impact head is pyramidal structure
One end is circular tube structure, and tubular graphene base flexible grounding electrode 5 is embedded in the circular tube structure of impact head 1, and tubular graphene base is flexible
Support inner core 2 and drop resistance pipe 3 are also equipped in earthing pole 5, support inner core 2 and drop resistance pipe 3 are connected to by draw compressor compresses
Together, it drops and hinders the position that pipe 3 is located at close lower end in tubular graphene base flexible grounding electrode 5, in tubular graphene base flexible grounding electrode 5
Also it is filled with resistance-lowering material 7.Tubular graphene base flexible grounding electrode 5 is soft graphite establishment set, the pipe of drop resistance pipe 3 in the present embodiment
Wall is equipped with the overflow hole 4 of multiple perforation tube walls, and the resistance-lowering material 7 of the inside of drop resistance pipe 3 can pass through overflow hole 4 and tubular graphene
The spilling of base flexible grounding electrode 5 is diffused into soil nearby, improves the conductive effect of aerial drainage earthing pole and soil.
As shown in Figure 2 to Figure 3, in order to reduce the overall electrical resistance of graphite-based aerial drainage earthing pole, tubular graphene base flexible ground
Wrapping around for pole 5 is disposed with multiple metal aerial drainage earthing poles 6 vertically extended.Specifically, metal in the present embodiment
Aerial drainage earthing pole 6 is made of copper bar, is also arranged with metal tube on the outside of position of the tubular graphene base flexible grounding electrode 5 close to upper end
Set 8, the upper and lower ends of copper bar are respectively welded in metal pipe sleeve 8 and impact head 1 after bending.The aerial drainage earthing pole of the present embodiment
Metal aerial drainage earthing pole 6 is connect with metal pipe sleeve 8 and impact head 1, connects metal aerial drainage earthing pole 6 with tubular graphene base flexibility
Earth polar 5 is in parallel, reduces the overall electrical resistance of aerial drainage earthing pole, while also having the characteristics that soil wellability is good.Certainly at other
In embodiment, metal aerial drainage earthing pole can also use aluminium bar or steel pole.Metal aerial drainage earthing pole 6 is being let out using rod-like structure
Stream earthing pole can reduce resistance when entering ground, and certainly in other embodiments, metal aerial drainage earthing pole may be copper sheet, in putting
Shape is penetrated to be welded in metal pipe sleeve and impact head.In other embodiments, metal aerial drainage earthing pole is also possible to be set in tubulose
Tubular structure on the outside of graphite-based flexible grounding electrode is welded on the outside of metal pipe sleeve and impact head by connecting rod.In other realities
It applies in example, metal pipe sleeve can also be no longer arranged in tubular graphene base flexible grounding electrode upper end, but in metal aerial drainage earthing pole
Upper end setting arc-shaped conductive film is attached on tubular graphene base flexible grounding electrode.
In other embodiments, each metal aerial drainage earthing pole first can also be welded on spaced two metal pipe sleeves
On, then the integral assembling after welding passed through into two metal pipe sleeves in the outside of tubular graphene base flexible grounding electrode and impact head
It is conductively connected with tubular graphene base flexible grounding electrode and impact head respectively to realize that metal aerial drainage earthing pole and tubular graphene are flexible
Earthing pole is arranged in parallel.
It is welded in metal pipe sleeve and impact head after copper bar both ends are bent to form interconnecting piece in the present embodiment, makes two companies
Part and 5 arranged for interval of tubular graphene base flexible grounding electrode of metal aerial drainage earthing pole 6 are constituted between socket part, setting can in this way
Expand spark effect, increase the electric conductivity of soil, lowers contact resistance.In other embodiments, gold will can also directly be constituted
The copper bar one end for belonging to aerial drainage earthing pole is welded in metal pipe sleeve, and the other end is welded on impact head.
The inside of tubular graphene base flexible grounding electrode 5 is also fitted with interior metal aerial drainage electrode 9, interior metal close to upper end position
The lower end of aerial drainage electrode 9 is inserted in resistance-lowering material 7, and upper end is connect with tubular graphene base flexible grounding electrode 5.Interior metal aerial drainage electrode
9 connect with resistance-lowering material 7 and tubular graphene base flexible grounding electrode 5 after connect again with the ground cable of ground can reduce on the ground connect
Resistance between ground cable and aerial drainage earthing pole.Interior metal aerial drainage electrode 9 is long strip-board shape structure, and long strip-board shape structure can increase
The contact area of imperial palace metal aerial drainage electrode 9 and resistance-lowering material 7 reduces interior 9 electricity of the contact with resistance-lowering material 7 of metal aerial drainage electrode
Resistance.In other embodiments, interior metal aerial drainage electrode may be rod structure.In other embodiments, it can also no longer set
Set interior metal aerial drainage electrode.
As depicted in figs. 1 and 2, when installation, first power stick 10 is inserted into drop resistance pipe 3 and is contacted with support inner core 2, and is made
The head end of tubular graphene base flexible grounding electrode 5 is located between the other end of support inner core 2 and the round tube end of impact head 1, then
Power stick 10 is pounded with sledgehammer to pound the tapered end of impact head 1 into soil until suitable depth, is pounded in the tapered end of impact head 1
During entering soil, metal aerial drainage earthing pole 6, drop resistance pipe 3 and tubular graphene base flexible grounding electrode 5 bury to soil
In, then power stick 10 is extracted with pipe wrench, resistance-lowering material 7 is directly injected into drop resistance pipe 3 by glue rifle, finally again by interior gold
Belong to aerial drainage electrode 9 to be inserted into resistance-lowering material 7,5 upper end of tubular graphene base flexible grounding electrode close up until with interior metal aerial drainage
Electrode 9 contacts.Resistance-lowering material 7 in the present embodiment is low temperature expandable resistance-lowering material, is buried by aerial drainage earthing pole into soil
In after, expandable graphite at low-temperature contained by resistance-lowering material 7 can slowly expand, increase the volume of entire resistance-lowering material 7, compression drop
The contact of material 7 and interior metal aerial drainage electrode 9 is hindered, reduces contact resistance, while sinking with the increase of volume and external soil
The oppressive force of drop keeps the contact between metal sleeve 8 and tubular graphene base flexible grounding electrode 5 even closer, and contact resistance is lower.
Claims (8)
1. a kind of graphite-based aerial drainage earthing pole, including impact head, tubular graphene base flexible grounding electrode and support inner core, tubulose stone
The lower end of black base flexible grounding electrode connects impact head, and support inner core is mounted in tubular graphene base flexible grounding electrode close to lower end position
Place is set, is also filled with resistance-lowering material in tubular graphene base flexible grounding electrode, it is characterised in that: outside tubular graphene base flexible grounding electrode
Side also connects around the metal aerial drainage earthing pole for being disposed with two or more or more extension, the lower end of metal aerial drainage earthing pole and impact head
It connects, upper end and tubular graphene base flexible grounding electrode are electrically connected.
2. graphite-based aerial drainage earthing pole according to claim 1, it is characterised in that: tubular graphene base flexible grounding electrode is close
The outer sheath of upper end position is equipped with metal pipe sleeve, and the upper end of each metal aerial drainage earthing pole connect with metal pipe sleeve and realizes and tubulose
The electric connection of graphite-based flexible grounding electrode.
3. graphite-based aerial drainage earthing pole according to claim 1 or 2, it is characterised in that: metal aerial drainage earthing pole and tubulose
Graphite-based flexible grounding electrode arranged for interval radially.
4. graphite-based aerial drainage earthing pole according to claim 1 or 2, it is characterised in that: metal aerial drainage ground connection is extremely rod-shaped
Structure.
5. graphite-based aerial drainage earthing pole according to claim 4, it is characterised in that: metal aerial drainage ground connection extremely copper bar or steel
Bar or aluminium bar.
6. graphite-based aerial drainage earthing pole according to claim 1 or 2, it is characterised in that: tubular graphene base flexible grounding electrode
Inside interior metal aerial drainage electrode is also fitted with close to upper end position, the lower end of interior metal aerial drainage electrode is inserted in resistance-lowering material,
Upper end is connect with tubular graphene base flexible grounding electrode.
7. graphite-based aerial drainage earthing pole according to claim 6, it is characterised in that: interior metal aerial drainage electrode is long strip-board shape
Structure.
8. graphite-based aerial drainage earthing pole according to claim 1 or 2, it is characterised in that: tubular graphene base flexible grounding electrode
Interior to be also equipped with drop resistance pipe close to lower fragment position, the tube wall of drop resistance pipe is equipped with multiple perforation tube walls for the resistance-lowering material in it
The overflow hole of outflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245373.8A CN109921206A (en) | 2019-03-28 | 2019-03-28 | A kind of graphite-based aerial drainage earthing pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245373.8A CN109921206A (en) | 2019-03-28 | 2019-03-28 | A kind of graphite-based aerial drainage earthing pole |
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| Publication Number | Publication Date |
|---|---|
| CN109921206A true CN109921206A (en) | 2019-06-21 |
Family
ID=66967441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910245373.8A Pending CN109921206A (en) | 2019-03-28 | 2019-03-28 | A kind of graphite-based aerial drainage earthing pole |
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| Country | Link |
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| CN (1) | CN109921206A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116247451A (en) * | 2022-11-22 | 2023-06-09 | 宜昌测试技术研究所 | A low-impedance buried electrode for ground-penetrating communication |
| CN119581888A (en) * | 2025-02-10 | 2025-03-07 | 国网安徽省电力有限公司天长市供电公司 | A grounding device that is easy to install |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001148274A (en) * | 1999-11-19 | 2001-05-29 | Masami Fujii | Ground electrode installing method and ground electrode |
| CN203423263U (en) * | 2013-06-21 | 2014-02-05 | 四川省电力公司内江电业局 | Grounding device of reducing power transmission line grounding resistance |
| CN204577627U (en) * | 2015-05-19 | 2015-08-19 | 三峡大学 | A kind of earthing device reducing Wind turbines earth resistance |
| CN105305357A (en) * | 2015-12-10 | 2016-02-03 | 国网四川省电力公司巴中供电公司 | High tension power line improved lightning protection structure |
| CN105977656A (en) * | 2016-05-13 | 2016-09-28 | 国网四川省电力公司电力科学研究院 | Multi-metal lightning stroke overvoltage and overcurrent releaser |
| CN206293632U (en) * | 2016-11-19 | 2017-06-30 | 新疆雷烨防雷科技有限公司 | A kind of contact surface type earthing module high |
| CN207542698U (en) * | 2017-09-27 | 2018-06-26 | 湖南警安工程有限公司 | The fast prompt drop in fire-fighting junction blocks edge device |
| CN208315786U (en) * | 2018-06-20 | 2019-01-01 | 河南四达电力设备股份有限公司 | A kind of ready-package soft graphite ion grounding electrode |
| CN209418790U (en) * | 2019-03-28 | 2019-09-20 | 河南四达电力科技研究院有限公司 | Graphite-based leakage ground electrode |
-
2019
- 2019-03-28 CN CN201910245373.8A patent/CN109921206A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001148274A (en) * | 1999-11-19 | 2001-05-29 | Masami Fujii | Ground electrode installing method and ground electrode |
| CN203423263U (en) * | 2013-06-21 | 2014-02-05 | 四川省电力公司内江电业局 | Grounding device of reducing power transmission line grounding resistance |
| CN204577627U (en) * | 2015-05-19 | 2015-08-19 | 三峡大学 | A kind of earthing device reducing Wind turbines earth resistance |
| CN105305357A (en) * | 2015-12-10 | 2016-02-03 | 国网四川省电力公司巴中供电公司 | High tension power line improved lightning protection structure |
| CN105977656A (en) * | 2016-05-13 | 2016-09-28 | 国网四川省电力公司电力科学研究院 | Multi-metal lightning stroke overvoltage and overcurrent releaser |
| CN206293632U (en) * | 2016-11-19 | 2017-06-30 | 新疆雷烨防雷科技有限公司 | A kind of contact surface type earthing module high |
| CN207542698U (en) * | 2017-09-27 | 2018-06-26 | 湖南警安工程有限公司 | The fast prompt drop in fire-fighting junction blocks edge device |
| CN208315786U (en) * | 2018-06-20 | 2019-01-01 | 河南四达电力设备股份有限公司 | A kind of ready-package soft graphite ion grounding electrode |
| CN209418790U (en) * | 2019-03-28 | 2019-09-20 | 河南四达电力科技研究院有限公司 | Graphite-based leakage ground electrode |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116247451A (en) * | 2022-11-22 | 2023-06-09 | 宜昌测试技术研究所 | A low-impedance buried electrode for ground-penetrating communication |
| CN119581888A (en) * | 2025-02-10 | 2025-03-07 | 国网安徽省电力有限公司天长市供电公司 | A grounding device that is easy to install |
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Application publication date: 20190621 |
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