CN112332120A - Self-replacement-maintained lightning arrester grounding system - Google Patents

Self-replacement-maintained lightning arrester grounding system Download PDF

Info

Publication number
CN112332120A
CN112332120A CN202011175405.0A CN202011175405A CN112332120A CN 112332120 A CN112332120 A CN 112332120A CN 202011175405 A CN202011175405 A CN 202011175405A CN 112332120 A CN112332120 A CN 112332120A
Authority
CN
China
Prior art keywords
rod body
lower rod
spiral
lightning arrester
pipe
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.)
Withdrawn
Application number
CN202011175405.0A
Other languages
Chinese (zh)
Inventor
罗玉敏
梁燕咏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011175405.0A priority Critical patent/CN112332120A/en
Publication of CN112332120A publication Critical patent/CN112332120A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/002Maintenance of line connectors, e.g. cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermistors And Varistors (AREA)

Abstract

The invention discloses a self-replacement-maintenance lightning arrester grounding system which comprises an upper rod body inserted on the ground surface, wherein the lower end of the upper rod body is stably and electrically connected with a plurality of lower rod bodies, the bottoms of the lower rod bodies are respectively provided with a liquid storage cavity, the outer wall of each lower rod body is sleeved with a spiral scraping blade, the inner wall of each lower rod body is provided with a spiral pipe, the tops of the spiral pipes are communicated through a communicating pipe, the diameters of the spiral pipes and the communicating pipe are the same, and the lower part of each lower rod body is provided with a collection cavity. Has the advantages that: according to the lightning arrester grounding device, the oxidation degrees of the surfaces of the two lower rod bodies are different, the lower rod body with the higher oxidation degree generates obviously higher heat and can be quickly vaporized to push the sliding block to move into the spiral pipe, so that magnetic beads are attracted or pushed to move to enable the magnetic beads to collide with the impact rod, the scraping blade and the lower rod body can move relatively due to vibration generated by collision, the oxide on the surface of the lower rod body can be scraped by the scraping blade, and the self-maintenance of the lightning arrester grounding device is completed.

Description

Self-replacement-maintained lightning arrester grounding system
Technical Field
The invention relates to the technical field of lightning arresters, in particular to a self-replacement-maintenance lightning arrester grounding system.
Background
For the existing arrester grounding system, a fixed metal rod is generally adopted, generally composed of a copper rod, an iron rod or an alloy rod, and is directly inserted into the ground, and the upper end of the fixed metal rod is connected with the arrester. In actual operation, because the underground environment is likely to contain obvious acidic or alkaline impurities, the soil is complex and severe, so that the surface of the ground rod buried underground is easily oxidized, the ground resistance of the oxidized ground rod is obviously increased, the current on the ground rod cannot be timely conducted to the ground with absolute zero potential, and if the ground rod cannot be timely maintained to reduce the resistance of the ground rod, the lightning arrester cannot realize a good lightning protection effect. After the grounding device in the prior art is oxidized, the grounding device can only be pulled out manually to remove surface oxides, or a new grounding device is directly adopted for replacement, so that the maintenance cost is high.
To this end we propose an earthing device which is self-maintaining when significant oxidation of the earthing device surface occurs.
Disclosure of Invention
The invention aims to solve the problem that the lightning arrester grounding rod is difficult to maintain in the prior art, and provides a self-replacement-maintenance lightning arrester grounding system.
In order to achieve the purpose, the invention adopts the following technical scheme: a self-replacement-maintenance lightning arrester grounding system comprises an upper rod body inserted on the earth surface, wherein the lower end of the upper rod body is stably and electrically connected with a plurality of lower rod bodies, the bottoms of the lower rod bodies are respectively provided with a liquid storage cavity, the outer wall of each lower rod body is sleeved with a spiral scraping blade, the inner wall of each lower rod body is provided with a spiral pipe, the tops of the spiral pipes are communicated through a communicating pipe, the spiral pipes are consistent with the diameter of the communicating pipe, the lower part of each lower rod body is provided with a collecting cavity, the collecting cavities are communicated with the lower ends of the corresponding spiral pipes, and a sliding assembly is placed in one of the collecting cavities;
an impact assembly is arranged between two adjacent lower rod bodies;
the collecting cavity is communicated with the spiral pipe through a U-shaped pipe, the liquid storage cavity is communicated with the lowest point of the U-shaped pipe through a circulating pipe, and the pipe diameter of the circulating pipe is smaller than that of the spiral pipe.
In the above lightning arrester grounding system with self-alternating maintenance, the sliding assembly includes a plurality of sliding blocks, the plurality of sliding blocks are connected linearly through a lead, the sliding block includes two edge assemblies and a telescopic assembly, the edge assembly includes a plurality of shaping blocks with arc structures and a plurality of connecting bags, the shaping blocks and the connecting bags of one edge assembly are alternately connected to form a circular ring structure, and the two edge assemblies are connected through the telescopic assembly.
In the lightning arrester grounding system with the automatic alternate maintenance function, the telescopic assembly comprises an annular bag directly glued and fixed with the two edge assemblies and magnetic plates glued and fixed inside the annular bag, the magnetic plates are opposite in different poles, the adjacent magnetic plates between every two adjacent sliding blocks are opposite in different poles, the lead is fixedly connected with the magnetic plates on the two sides of the sliding blocks, and evaporating liquid is stored in the connecting bag and the annular bag.
In the above lightning arrester grounding system maintained in an automatic and alternative manner, the impact assembly includes two impact bars respectively contacting with the two lower rods, a slide is fixedly connected between the two impact bars, and a magnetic bead is slidably connected in the slide.
In the above lightning arrester grounding system with self-alternating maintenance, the spiral pipe is arranged in the area close to the outer wall of the lower rod body, and the upper bottom of the collecting cavity is fixedly connected with a magnetic block.
In the above-mentioned lightning arrester grounding system for self-alternating maintenance, the length of the lead between each two of the sliders is equal to the radius of the spiral pipe multiplied by pi.
Compared with the prior art, the invention has the advantages that:
1. according to the lightning arrester grounding device, the surfaces of two lower rods are different in oxidation degree, the surface of the lower rod with higher oxidation degree is higher in resistance and obviously higher in heat generation, at the moment, evaporation liquid corresponding to the lower rod can be quickly vaporized to push the sliding block to move into the spiral pipe and slide into the spiral pipe of the other lower rod, when the sliding block moves near the impact assembly, the magnetic plate in the sliding block firstly approaches to the magnetic bead, so that the magnetic bead is attracted or pushed to move to impact the magnetic bead with the impact rod and further impact the lower rod, vibration generated by impact can enable the scraping blade and the lower rod to generate a certain amount of relative movement, and the scraping blade can scrape the oxides on the surfaces of the lower rods, so that the self-maintenance effect of the lightning arrester grounding device is achieved;
2. the interval for two sliders equals the length of the half-circle of the spiral pipe, namely, when the sliding assembly slides in two lower bars, the slider which is close to the impact assembly in one lower bar moves towards the direction of the impact assembly, the slider which is close to the impact assembly in the other lower bar moves towards the direction of the impact assembly, and the two sliders all attract the magnetic beads in the impact assembly, so the magnetic force applied to the magnetic beads by the slider during the movement in the two lower bars can be ensured by the setting, the magnetic beads can impact the impact rod at a higher speed, the vibration generated by the impact rod is more obvious, the vibration generated by the impact can enable the scraper to move relative to the lower bar, the oxide on the surface of the lower bar can be scraped by the scraper, and the self-maintenance effect of the grounding device of the lightning arrester can be better completed.
Drawings
Fig. 1 is a schematic structural diagram of a lightning arrester grounding system for self-replacement maintenance according to the present invention;
fig. 2 is a schematic structural diagram of a slider in the lightning arrester grounding system from alternative maintenance according to the present invention.
In the figure: 1 upper rod body, 2 lower rod bodies, 3 scraping blades, 4 liquid storage cavities, 5 spiral tubes, 6 collecting cavities, 7 communicating tubes, 8 collision rods, 9 slideways, 10 magnetic beads, 11 circulating tubes, 12 shaping blocks, 13 connecting bags, 14 magnetic plates, 15 leading wires and 16 annular bags.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-2, a lightning arrester grounding system for self-replacement maintenance comprises an upper rod body 1 inserted on the ground surface, the lower end of the upper rod body 1 is electrically connected with a plurality of lower rod bodies 2 stably, the bottoms of the lower rod bodies 2 are respectively provided with a liquid storage chamber 4, an evaporation liquid is stored in the liquid storage chamber 4 of the lower rod body 2 initially provided with a sliding assembly, when the temperature of the lower rod body 2 is rapidly increased, the evaporation liquid in the liquid storage chamber 4 is rapidly vaporized, the outer wall of the lower rod body 2 is sleeved with a spiral scraper 3, the inner wall of the lower rod body 2 is provided with a spiral pipe 5, the tops of the spiral pipes 5 are communicated through a communication pipe 7, the spiral pipe 5 is consistent with the pipe diameter of the communication pipe 7, the lower part of each lower rod body 2 is provided with a collecting chamber 6, the collecting chamber 6 is communicated with the lower end of the corresponding spiral pipe 5, one of the collecting chamber 6 is provided with a sliding, the presence of the communicating tube 7 allows the sliding assembly to slide between the two spiral tubes 5;
the lightning arrester comprises a set of lightning arrester grounding system, wherein two lower rod bodies 2 are in a group, the grounding rods 2 in the set of lightning arrester grounding system exist in a group, and an impact assembly is arranged between the two lower rod bodies 2 in the group;
the collection cavity 6 is communicated with the spiral tube 5 through a U-shaped tube, the liquid storage cavity 4 is communicated with the lowest point of the U-shaped tube through a circulating tube 11, the diameter of the circulating tube 11 is smaller than that of the spiral tube 5, and the evaporated liquid after vaporization can be guaranteed to be liquefied again and can flow back to the interior of the collection cavity 6.
The sliding assembly comprises a plurality of sliding blocks, the sliding blocks are connected into a straight line through leads 15, the sliding blocks comprise two edge assemblies and a telescopic assembly, the edge assemblies comprise a shaping block 12 and a plurality of connecting bags 13 of a plurality of arc structures, the shaping block 12 and the connecting bags 13 of one edge assembly are alternately connected to form a circular ring type structure, the two edge assemblies are connected through the telescopic assembly, evaporating liquid is stored in the connecting bags 13 and the circular bags 16, the evaporating liquid is liquid at normal temperature, the connecting bags 13 and the circular bags 16 are in a dry and flat containing state, heat generated when the lower rod body 2 generates heat can be quickly vaporized by the evaporating liquid in the connecting bags 13 and the circular bags 16, the connecting bags 13 and the circular bags 16 are made to expand, and the sliding blocks are integrally expanded to form a structure capable of being in sealing sliding connection with the inner wall of the spiral pipe 5.
The telescopic assembly comprises an annular bag 16 directly glued and fixed with the two edge assemblies and magnetic plates 14 glued and fixed inside the annular bag 16, the opposite poles of the magnetic plates 14 are opposite, the opposite poles of the adjacent magnetic plates 14 between every two adjacent sliders are opposite, and the lead 15 is fixedly connected with the magnetic plates 14 on the two sides of the sliders.
The striking subassembly includes two lance 8 with two lower barred bodies 2 contact respectively, slide 9 of fixedly connected with between two lance 8, sliding connection has a magnetic bead 10 in the slide 9, when the slider motion was near the striking subassembly, magnetic sheet 14 in the slider was at first close to magnetic bead 10, thereby attract or promote magnetic bead 10 motion and make its and lower barred body 2 striking, the vibrations that the striking produced can make doctor-bar 3 and lower barred body 2 produce a certain amount of relative motion, thereby make doctor-bar 3 can scrape the oxide on barred body 2 surface down, thereby accomplish arrester earthing device's self-maintenance effect.
The spiral pipe 5 is arranged in an area close to the outer wall of the lower rod body 2, and a magnetic block is fixedly connected to the upper bottom of the collecting cavity 6, so that the sliding block of the sliding assembly is guaranteed to exist in the collecting cavity 6 in a common state.
The length of the lead 15 between each two sliders is equal to the radius of the toroid 5 multiplied by pi.
When the system is installed on the ground surface, the oxidation degree of the surface of one lower rod body 2 is obviously higher than that of the other lower rod body 2 through manual setting, and after the installation is finished, the environments of the two lower rod bodies 2 on the ground surface are approximately equivalent, namely the oxidation speeds of the two lower rod bodies 2 after the installation are equivalent.
In the invention, the lightning arrester is positioned at the tip of the cloud layer in thunderstorm weather, so that the lightning arrester can release charges in the charges and the surrounding cloud layer, and the lightning arrester effect is realized; the lower rods buried underground can generate obvious current flow, in the invention, the oxidation degree of the surfaces of the two lower rods is different, the resistance of the oxide layer is obviously different, so the heat generated when current flows has obvious difference, the surface resistance of the lower rod body with higher oxidation degree is larger, the generated heat is obviously higher, the evaporation liquid in the liquid storage cavity 4 corresponding to the lower rod body 2 is quickly vaporized, at the same time, the evaporated liquid in the connecting bag 13 and the annular bag 16 is also vaporized rapidly, so that the sliding block expands to press part of the sliding block into the U-shaped pipe, the evaporated liquid in the liquid storage cavity 4 is quickly vaporized, and the slide block is pushed to move into the spiral tube 5 and slide into the spiral tube 5 of the other lower rod body 2, because the resistance of the other lower rod body 2 is smaller and the temperature is lower, when the slide block moves to the interior of the lower rod body 2 with low temperature, the temperature of the slide block can be quickly diffused, so that the evaporated liquid is liquefied again. The slide block becomes the shriveled state again and is finally accommodated in the collecting cavity 6 of the rod body 2 under low temperature, and the evaporated liquid in the spiral pipe 5 flows downwards to the liquid storage cavity 4 for storage after being liquefied.
When the sliding block moves near the impact assembly in the process, the magnetic plate 14 in the sliding block firstly approaches to the magnetic bead 10, so that the magnetic bead 10 is attracted or pushed to move to enable the magnetic bead to impact with the impact rod 8 and further impact with the lower rod body 2, and the vibration generated by the impact enables the scraping blade 3 and the lower rod body 2 to generate a certain amount of relative movement, so that the scraping blade 3 can scrape off oxides on the surface of the lower rod body 2, and the self-maintenance effect of the grounding device of the lightning arrester is achieved;
it is worth to be noted that the length of the lead 15 between every two sliding blocks is equal to the radius of the spiral tube 5 multiplied by pi, that is, the distance between the two sliding blocks is equal to the length of half a turn of the spiral tube 5, that is, when the sliding assembly slides in the two lower rods 2, the sliding block located in one lower rod 2 and close to the impact assembly moves towards the impact assembly, the sliding block located in the other lower rod 2 and close to the impact assembly moves towards the direction away from the impact assembly, and both the two sliding blocks generate an attraction effect on the magnetic beads 10 in the impact assembly, so that the arrangement can ensure that when the sliding blocks move in the two lower rods 2, not only the normal reciprocating impact of the magnetic beads 10 on the impact rod 8 is not affected, but also the magnetic force borne by the magnetic beads 10 is increased, the magnetic beads 10 can impact the impact rod 8 at a faster speed, the vibration generated on the impact rod 8 is more obvious, and the vibration generated by the impact can make, thereby enabling the scraping blade 3 to scrape off oxides on the surface of the lower rod body 2, and further better completing the self-maintenance effect of the arrester grounding device.
Although the terms of the upper rod 1, the lower rod 2, the scraping blade 3, the reservoir 4, the spiral tube 5, the collection chamber 6, the communicating tube 7, the plunger 8, the slide 9, the magnetic beads 10, the flow tube 11, the shaping block 12, the connecting bag 13, the magnetic plate 14, the lead 15, the annular bag 16, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (6)

1. The lightning arrester grounding system capable of being maintained by self-alternating comprises an upper rod body (1) inserted on the ground surface, and is characterized in that the lower end of the upper rod body (1) is stably and electrically connected with a plurality of lower rod bodies (2), a liquid storage cavity (4) is formed in the bottom of each lower rod body (2), a spiral scraping blade (3) is sleeved on the outer wall of each lower rod body (2), a spiral pipe (5) is formed in the inner wall of each lower rod body (2), the tops of the spiral pipes (5) are communicated through a communication pipe (7), the diameters of the spiral pipes (5) and the communication pipes (7) are consistent, a collection cavity (6) is formed in the lower part of each lower rod body (2), the collection cavity (6) is communicated with the lower end of the corresponding spiral pipe (5), and a sliding assembly is placed in one collection cavity (6);
an impact assembly is arranged between two adjacent lower rod bodies (2) together;
the collecting cavity (6) is communicated with the spiral pipe (5) through a U-shaped pipe, the liquid storage cavity (4) is communicated with the lowest point of the U-shaped pipe through a circulating pipe (11), and the pipe diameter of the circulating pipe (11) is smaller than that of the spiral pipe (5).
2. A self-replaceable lightning arrester grounding system according to claim 1, characterized in that the sliding assembly comprises a plurality of sliding blocks, the sliding blocks are connected in a straight line by lead wires (15), the sliding blocks comprise two edge assemblies and a telescopic assembly, the edge assemblies comprise a plurality of shaping blocks (12) with arc structures and a plurality of connecting bags (13), the shaping blocks (12) and the connecting bags (13) of one edge assembly are alternately connected to form a ring structure, and the two edge assemblies are connected by the telescopic assembly.
3. A lightning arrester grounding system as claimed in claim 2, characterized in that the telescopic assembly comprises an annular bag (16) glued and fixed directly to the two edge assemblies and a plurality of magnetic plates (14) glued and fixed inside the annular bag (16), the magnetic plates (14) are opposite in polarity, the adjacent magnetic plates (14) are opposite in polarity between each two adjacent sliders, the lead wires (15) are fixedly connected to the magnetic plates (14) on both sides of the sliders, and the connecting bag (13) and the annular bag (16) each store an evaporating liquid.
4. A lightning arrester grounding system for self-service maintenance according to claim 1, characterized in that the impact assembly comprises two rods (8) respectively contacting with the two lower rods (2), a slide (9) is fixedly connected between the two rods (8), and a magnetic bead (10) is slidably connected in the slide (9).
5. A lightning arrester grounding system for self-service-replacement according to claim 1, characterized in that the spiral pipe (5) is arranged in the area close to the outer wall of the lower rod body (2), and a magnet is fixedly connected to the upper bottom of the collecting chamber (6).
6. A lightning arrester grounding system as claimed in claim 2, characterized in that the length of the lead wire (15) between each two of the sliders is equal to the radius of the spiral (5) multiplied by pi.
CN202011175405.0A 2020-10-28 2020-10-28 Self-replacement-maintained lightning arrester grounding system Withdrawn CN112332120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011175405.0A CN112332120A (en) 2020-10-28 2020-10-28 Self-replacement-maintained lightning arrester grounding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011175405.0A CN112332120A (en) 2020-10-28 2020-10-28 Self-replacement-maintained lightning arrester grounding system

Publications (1)

Publication Number Publication Date
CN112332120A true CN112332120A (en) 2021-02-05

Family

ID=74297324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011175405.0A Withdrawn CN112332120A (en) 2020-10-28 2020-10-28 Self-replacement-maintained lightning arrester grounding system

Country Status (1)

Country Link
CN (1) CN112332120A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013084378A (en) * 2011-10-06 2013-05-09 Chugoku Electric Power Co Inc:The Implantation device of ground resistance reduction agent and ground resistance reduction method
CN107546498A (en) * 2015-08-07 2018-01-05 仲杏英 The oxide layer minimizing technology of easy care earthing of lightening arrester
CN109980373A (en) * 2019-04-18 2019-07-05 李兵 A kind of maintenance earthing of lightening arrester certainly
CN110061366A (en) * 2019-04-30 2019-07-26 李兵 A kind of earthing of lightening arrester easy to maintain
CN111769381A (en) * 2020-07-14 2020-10-13 孙亚林 Multilayer rod type grounding system of lightning arrester
CN111769380A (en) * 2020-07-14 2020-10-13 殷国辉 Multi-petal grounding system of lightning arrester
CN111817036A (en) * 2020-07-21 2020-10-23 李大伟 Self-maintenance type double-rod type grounding system of lightning arrester
CN111834763A (en) * 2020-08-07 2020-10-27 湖州浪佩智能科技有限公司 Lightning arrester grounding device convenient to maintain

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013084378A (en) * 2011-10-06 2013-05-09 Chugoku Electric Power Co Inc:The Implantation device of ground resistance reduction agent and ground resistance reduction method
CN107546498A (en) * 2015-08-07 2018-01-05 仲杏英 The oxide layer minimizing technology of easy care earthing of lightening arrester
CN109980373A (en) * 2019-04-18 2019-07-05 李兵 A kind of maintenance earthing of lightening arrester certainly
CN110061366A (en) * 2019-04-30 2019-07-26 李兵 A kind of earthing of lightening arrester easy to maintain
CN111769381A (en) * 2020-07-14 2020-10-13 孙亚林 Multilayer rod type grounding system of lightning arrester
CN111769380A (en) * 2020-07-14 2020-10-13 殷国辉 Multi-petal grounding system of lightning arrester
CN111817036A (en) * 2020-07-21 2020-10-23 李大伟 Self-maintenance type double-rod type grounding system of lightning arrester
CN111834763A (en) * 2020-08-07 2020-10-27 湖州浪佩智能科技有限公司 Lightning arrester grounding device convenient to maintain

Similar Documents

Publication Publication Date Title
CN109980373B (en) Self-maintenance arrester grounding device
CN110061366B (en) Easily maintain arrester earthing device
CN109743011B (en) Self-cleaning device of photovoltaic power generation board
CN102881472B (en) There is the high-speed switch of non-circular thomson coil
CN112421302B (en) Anti-drop formula new energy automobile is with rifle that charges
CN112332120A (en) Self-replacement-maintained lightning arrester grounding system
CN112277678A (en) Charging gun protection device for new energy automobile
CN103199670B (en) Magnetic fluid electric generator taking low-melting-point gallium alloy as electricity generating working medium
EP3509176B1 (en) Gas-insulated switchgear and method for capturing metal impurities inside gas-insulated switchgear
CN103357504A (en) Electrostatic dust collector
CN111817036B (en) Self-maintenance type double-rod type grounding system of lightning arrester
CN111769380B (en) Multi-petal grounding system of lightning arrester
CN103712764A (en) Electromagnetic hammer
CN107818902B (en) Microchannel plate and preparation method thereof
CN107225121B (en) Dust cleaning and processing device for interior of high-voltage electrical equipment
CN111653880B (en) Double-rod type self-maintenance lightning arrester grounding system
CN204025655U (en) There is the cylinder piston of pooling feature
CN105164780A (en) Gas circuit breaker
CN111769381B (en) Multilayer rod type grounding system of lightning arrester
DE3910566C2 (en)
CN113363109B (en) Intelligent high-voltage vacuum circuit breaker
CN111229494B (en) Automatic spraying robot removes dust in advance
EP2994964B1 (en) Ignition unit for an internal combustion engine
CN112570143A (en) A environment-friendly deironing device for production of ceramic power insulator
CN206644795U (en) A kind of auto repair wire harness pull-plug device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210205

WW01 Invention patent application withdrawn after publication