[go: up one dir, main page]

CN107481817A - Utilize the lower electric discharge part in elastic conduction coil reset discharge gap - Google Patents

Utilize the lower electric discharge part in elastic conduction coil reset discharge gap Download PDF

Info

Publication number
CN107481817A
CN107481817A CN201710745863.5A CN201710745863A CN107481817A CN 107481817 A CN107481817 A CN 107481817A CN 201710745863 A CN201710745863 A CN 201710745863A CN 107481817 A CN107481817 A CN 107481817A
Authority
CN
China
Prior art keywords
elastic conduction
conduction coil
plug
discharging rod
conductive mounting
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.)
Pending
Application number
CN201710745863.5A
Other languages
Chinese (zh)
Inventor
冉祝德
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.)
Suzhou Mai Feier Electronic Technology Co Ltd
Original Assignee
Suzhou Mai Feier Electronic Technology Co Ltd
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 Suzhou Mai Feier Electronic Technology Co Ltd filed Critical Suzhou Mai Feier Electronic Technology Co Ltd
Priority to CN201710745863.5A priority Critical patent/CN107481817A/en
Publication of CN107481817A publication Critical patent/CN107481817A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/38Fittings, e.g. caps; Fastenings therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/14Supporting insulators

Landscapes

  • Insulators (AREA)

Abstract

The invention discloses a kind of lower electric discharge part using elastic conduction coil reset discharge gap, lower electric discharge part includes the lower discharging rod provided with lower discharge end, insulation slip pipe, the plug being slidably arranged in insulation slip pipe, connects for insulating the insulated connecting piece of lower discharging rod and plug, the elastic conduction coil for being used to produce electromagnetic force being set on insulation slip pipe, conductive mounting pedestal and for the conductive mounting pillar on cross-arm;The upper end of elastic conduction coil and lower discharging rod are fixedly linked, and the lower end of elastic conduction coil is fixedly installed on conductive mounting pedestal.On the one hand the present invention is produced electromagnetic force using elastic conduction coil and drives lower electric discharge part to move down, increase discharging gap;On the other hand reseting elasticity is provided for lower electric discharge part;Help to reduce part, simplify structure.

Description

Utilize the lower electric discharge part in elastic conduction coil reset discharge gap
Technical field
The invention belongs to electric power overhead insulated circuit lightning Protection technical field, and in particular to one kind utilizes elastic conducting electric wire Enclose the lower electric discharge part in reset discharge gap.
Background technology
Overhead line can produce power frequency continued flow after being struck by lightning, so-called power frequency continued flow, be exactly overhead line after overhead line is struck by lightning Thunder and lightning arc is just produced between metal cross arm, this thunder and lightning arc life span is very short, but it is formd between overhead line and cross-arm Conductive channel, the power supply of overhead line is set to occur over the ground(Cross-arm)Short circuit, this short circuit current are referred to as power frequency continued flow(Be after lightning current it Power current afterwards), for power frequency continued flow, cross-arm or grounding of pole resistance are bigger, and power frequency continued flow is smaller, easier cutout.
Aerial insulated wire is compared with aerial bare line, it is easier to line-outage contingency occurs.When thundercloud appears in aerial bare line overhead When, distribution of the charge inducing on bare conductor is uniform, and the neutralization of positive and negative charge is not concentrated on a bit, therefore bare conductor is very Break less.But when thundercloud floats to above suspended insulated guide wire, charge inducing concentrates on the surface of suspended insulated guide wire, i.e., Insulating surface, because insulating barrier resistance is big, electric charge is not easy to flow, when the charge collection on insulating barrier is to certain electricity, in thunder In the presence of cloud, the electric discharge between positive and negative charge, insulating barrier is caused to puncture, breakdown point is generally near metal cross arm, because relatively For, the charge inducing of this position is more, such as concurrent, cross-arm can all produce charge inducing, in positive and negative charge and when produce The insulating barrier that raw heat is oriented to overhead insulating punctures.When producing thunder and lightning between suspended insulated guide wire breakdown point and metal cross arm After arc, short-channel is just formed, then the AC power of aerial condutor turns into afterflow source, persistence drag arc, makes suspended insulated guide wire Fracture.
Patent document CN201000796Y discloses a kind of lightning protection pillar insulator, is mainly closed by insulating shield, clamp aluminium Gold utensil, composite insulator, starting rod and lower steel pin etc. form.Its main feature:(1)When thunderbolt occurs, starting rod and lower steel Causing umbrella network to discharge between pin, form short-channel, the power frequency arc to continue, which is moved between starting rod and lower steel pin, to burn, with Protect wire from burn.Because starting rod gets around full skirt and adjusts to optimal discharge gap, discharge effect is more preferable, and prevents from burning out Insulator umbrella.
But this kind of lightning protection pillar insulator still suffers from following weak point:The point of discharge of starting rod and lower steel pin is exposed, Easily accumulation dirt, influences discharging action.In addition, the discharging gap between this kind of starting rod and lower steel pin immobilizes, still Ambient weather is frequently to change, and is easily caused malfunction or discharging action can not occur.
The content of the invention
The present invention provides one kind can be built-in so as to reducing external environmental interference and utilize elastic conduction coil reset discharge The lower electric discharge part in gap.
Realizing the technical scheme of the object of the invention is:A kind of lower electric discharge using elastic conduction coil reset discharge gap Part, the lower part that discharges include the lower discharging rod provided with lower discharge end, insulation slip pipe, the plug being slidably arranged in insulation slip pipe, use The insulated connecting piece of lower discharging rod and plug, the elastic conducting for being used to produce electromagnetic force being set on insulation slip pipe are connected in insulation Electric coil, conductive mounting pedestal and for the conductive mounting pillar on cross-arm;The upper end of elastic conduction coil and decentralization Torch is fixedly linked, and the lower end of elastic conduction coil is fixedly installed on conductive mounting pedestal.
It is further to be preferably in such scheme:Lower discharging rod is located at the surface of plug;Insulated connecting piece is by being spirally connected Mode is fixedly connected with lower discharging rod and plug.
It is further to be preferably in such scheme:A spiral shell is provided with the center of lower discharging rod bottom namely its connection end Hole, a screw also is provided with the center on plug top;The main body of insulated connecting piece is provided with into column, the top of insulated connecting piece The screw adaptation of the upper stud projected upwards, the upper stud and lower discharging rod;The bottom of insulated connecting piece is provided with downward projection of Lower stud, the screw adaptation of the lower stud and plug.
It is further to be preferably in such scheme:The bottom of insulation slip pipe is provided with insulation plug, and insulation plug blocks absolutely The opening of edge slip pipe bottom.
It is further to be preferably in such scheme:Upper installing hole is provided with the center of conductive mounting Chuck top, insulation is slided The lower end of pipe is fixedly installed in the upper installing hole;Lower mounting hole, conductive mounting are provided with the center of conductive mounting base bottom The top of pillar is fixedly installed in the lower mounting hole.
The present invention has advantages below:(1)On the one hand the present invention produces electromagnetic force using elastic conduction coil, for driving Lower electric discharge part moves down, and increases discharging gap, so as to prevent power frequency continued flow;On the other hand provided for lower electric discharge part and reset bullet Power, it is recovered to initial position after moving down, ensure being normally carried out for next lightning discharge;This structure helps to reduce Part, simplify structure.(2)It can be built in inside lightning protection pillar insulator, so as to reduce external environmental interference, ensure that work is steady It is fixed reliable.
Brief description of the drawings
Fig. 1 is a kind of half section structure diagram of the first structure of the invention;
Fig. 2 is a kind of half section structure diagram using lightning protection pillar insulator made of lower electric discharge part shown in Fig. 1.
Embodiment
(Embodiment 1, lower electric discharge part)
It is below in conjunction with accompanying drawing and specifically real to make the technical problem to be solved in the present invention, technical scheme and advantage clearer Example is applied to be described in detail.
Fig. 1 shows the first embodiment of the present invention.The present invention provides a kind of lower electric discharge part, as shown in figure 1, The lower electric discharge part 3 includes lower discharging rod 31, insulation slip pipe 32, elastic conduction coil 33, conductive mounting pedestal 34, conductive mounting branch Post 35, plug 36 and the insulated connecting piece 37 that lower discharging rod and plug are connected for insulating.In the present embodiment, lower discharging rod 31 is set The traveller end 312 for having lower discharge end 311 and stretching into insulation slip pipe.
Lower discharging rod is located at the surface of plug, and lower discharging rod and plug are arranged concentrically, and insulated connecting piece is lower discharging rod An entirety is fixedly connected into plug.In the present embodiment, a screw, plug top are provided with the center of lower discharging rod bottom Center at also be provided with a screw;The main body of insulated connecting piece is provided with what is projected upwards into column, the top of insulated connecting piece The screw adaptation of upper stud 371, the upper stud and lower discharging rod;The bottom of insulated connecting piece is provided with downward projection of lower stud 372, the screw adaptation of the lower stud and plug;Insulated connecting piece is fixedly connected with lower discharging rod and plug by screw connection manner.
Lower discharging rod, insulated connecting piece and plug under external force, are back and forth slided as an entirety in the slip pipe that insulate It is dynamic.
The bottom of insulation slip pipe is provided with insulation plug 321, and insulation plug blocks the opening of insulation slip pipe bottom.
Upper installing hole 341 is provided with the center of conductive mounting Chuck top, the lower end for the slip pipe that insulate is fixedly installed on this In mounting hole;Lower mounting hole 342 is provided with the center of conductive mounting base bottom, the top of conductive mounting pillar is fixedly installed on In the lower mounting hole;In the present embodiment, upper installing hole and lower mounting hole are all inner bolt holes, on the periphery wall for the slip pipe that insulate and are led External screw thread is equipped with the periphery wall of electric mounting column, insulation slip pipe is fixedly installed on conductive mounting pedestal by screw connection manner In upper installing hole, conductive mounting pillar is fixedly installed in the lower mounting hole of conductive mounting pedestal by screw connection manner.Conduction peace Fill pillar and be provided with installation nut assembly 351, the installation of conductive mounting pillar is fixedly installed on external cross-arm.
Elastic conduction coil is set on insulation slip pipe, elastic conduction coil curl;Elastic conduction coil top and Lower discharging rod electrical connection, the bottom of elastic conduction coil and the electrical connection of conductive mounting pedestal.In the present embodiment, elastic conduction coil Top be fixedly installed on by welding manner on the outer wall of lower discharging rod, the bottom of elastic conduction coil is consolidated by welding manner Surely it is arranged on the outer wall of conductive mounting pedestal.Under free state, gap is left between the bottom of lower discharging rod and insulation plug.
The present embodiment has advantages below:(1)It can be built in the enclosed environment in insulator, so as to discharge under ensureing The cleaning of the lower discharge end of part, is not easily susceptible to the interference of external environment, so as to ensure that the reliability of discharge prevention action.(2) When by being struck by lightning, thunder-strike current is successively by lower discharging rod, elastic conduction coil, conductive mounting pedestal, conductive mounting pillar On conduction to cross-arm;, can by presetting the hand of spiral of elastic conduction coil when elastic conduction coil is by the thunder-strike current So that lower discharging rod stress overcomes the elastic force of elastic conduction coil and moved down so that upper electric discharge part and lower discharging rod it Between portable protective gaps increase, so as to be advantageous to block power frequency continued flow, lift lightning Protection performance;And after electric discharge terminates, can be according to By the reseting elasticity of elastic conduction coil lower electric discharge part is automatically reset to original position.
(Application examples 1, lightning protection pillar insulator)
The application example is to use a kind of lightning protection pillar insulator made of above-described embodiment 1, including insulator 1, upper electric discharge part 2 and Lower electric discharge part 3.
In the application example, thread clamping mechanism 6 is provided with above insulator;The thread clamping mechanism includes upper fixture block 61, the and of lower fixture block 62 Two groups of bolt assemblies 63 for be connected upper fixture block and lower fixture block;Upper fixture block is provided with upper clamp groove 611, and lower fixture block is provided with down Clamp groove 621, upper clamp groove and lower clamp groove combine to form a clamp hole 64 for being used to clamp aerial insulation cable;In order to just In connecing electricity from overhead insulating cable, the puncture 65 for piercing through overhead insulating cable crust is additionally provided with upper clamp groove;Specific In practice, puncture is may also set up in lower clamp groove.The center bottom of lower fixture block is provided with a mounting hole 66, and upper electric discharge part connects electricity End is fixedly installed in the mounting hole, and the fixed form of the power connection end and mounting hole can be selected to be spirally connected fixed or is welded and fixed.
Each group bolt assembly includes 631, clamp nuts 632 of a screw rod and a double nut 633.In use, Overhead insulating cable is lived with clamp hole clip, twist clamp nut, you can so that upper fixture block penetrates overhead insulating cable Insulation sheath, so that thread clamping mechanism and overhead insulating cable form reliable electrical connection;Clamp nut twist it is solid good after, then Double nut is tightened on corresponding clamp nut, can prevent clamp nut from loosening.
Insulator in the application example includes ceramic shell 11, the upper metal sealing for sealing ceramic shell upper end open Part 12 and the lower metal seal 13 for sealing ceramic shell lower ending opening;Upper metal seal, lower metal seal and pottery Porcelain housing is fixedly connected using brazing mode.Increase on the outer wall of ceramic shell integrally formed with multiple full skirts 14, the presence of full skirt Strong anti-creep electrical property.
Interior insulator is provided with annular seal space 4;Upper electric discharge part is provided with the upper discharge end 21 for being located at annular seal space top and stretched upwards Go out the power connection end 22 of annular seal space;Lower electric discharge part 3 includes lower discharging rod 31, insulation slip pipe 32, elastic conduction coil 33, conductive mounting Pedestal 34, the plug 36 of conductive mounting pillar 35 and the insulated connecting piece 37 that lower discharging rod and plug are connected for insulating.This application In example, lower discharging rod 31 is provided with positioned at the lower discharge end 311 of annular seal space bottom and for stretching into the traveller end in insulation slip pipe 312, the upper discharge end and the lower lower discharge end for discharging part of upper electric discharge part leave discharging gap.
Lower discharging rod is located at the surface of plug, and lower discharging rod and plug are arranged concentrically, and insulated connecting piece is lower discharging rod An entirety is fixedly connected into plug.In the application example, a screw, plug top are provided with the center of lower discharging rod bottom Center at also be provided with a screw;The main body of insulated connecting piece is provided with what is projected upwards into column, the top of insulated connecting piece The screw adaptation of upper stud 371, the upper stud and lower discharging rod;The bottom of insulated connecting piece is provided with downward projection of lower stud 372, the screw adaptation of the lower stud and plug;Insulated connecting piece is fixedly connected with lower discharging rod and plug by screw connection manner.
Lower discharging rod, insulated connecting piece and plug under external force, are back and forth slided as an entirety in the slip pipe that insulate It is dynamic.
The bottom of the upper discharge end of upper electric discharge part is provided with upper ball discharge 211, spherical discharge face can cause Electric Field Distribution compared with To be uniform.
The bottom of insulation slip pipe is provided with insulation plug 321, and insulation plug blocks the opening of insulation slip pipe bottom.
Conductive mounting pedestal is weldingly fixed on lower metal seal;Upper peace is provided with the center of conductive mounting Chuck top Hole 341 is filled, the lower end for the slip pipe that insulate is fixedly installed in the upper installing hole;Lower peace is provided with the center of conductive mounting base bottom Hole 342 is filled, the top of conductive mounting pillar is fixedly installed in the lower mounting hole;In the application example, upper installing hole and lower installation Hole is all inner bolt hole, and external screw thread is equipped with the periphery wall for the slip pipe that insulate and on the periphery wall of conductive mounting pillar, and insulation is slided Pipe is fixedly installed on by screw connection manner in the upper installing hole of conductive mounting pedestal, and conductive mounting pillar is fixed by screw connection manner It is arranged in the lower mounting hole of conductive mounting pedestal.Conductive mounting pillar is provided with installation nut assembly 351, conductive mounting pillar Installation is fixedly installed on external cross-arm.
Elastic conduction coil is set on insulation slip pipe, elastic conduction coil curl;Elastic conduction coil top and Lower discharging rod electrical connection, the bottom of elastic conduction coil and the electrical connection of conductive mounting pedestal.In the application example, elastic conduction coil Top be fixedly installed on by welding manner on the outer wall of lower discharging rod, the bottom of elastic conduction coil is consolidated by welding manner Surely it is arranged on the outer wall of conductive mounting pedestal.Under free state, gap is left between the bottom of lower discharging rod and insulation plug.
The middle-end of upper electric discharge part is additionally provided with enhancing annular boss 23, enhancing annular boss and the weldering of upper metal seal on this Connect connected.
In the application example, upper electric discharge part and lower discharging rod are on same straight line.
In the application example, annular seal space can be vacuum chamber, can also filled with air, inert gas or sulfur hexafluoride gas, It is preferred that using vacuum chamber or it is interior fill sulfur hexafluoride gas, both relative to it is interior fill air for, discharging gap can be reduced Required size, so as to reduce overall volume.
The application example has advantages below:(1)Annular seal space is set inside insulator body, so that upper electric discharge part with Two discharge ends of electric discharge part are built in the environment of a closing, so as to ensure the upper discharge end of upper electric discharge part and lower electric discharge part Lower discharge end cleaning, simultaneously because the internal environment of annular seal space is relatively stable, be not easily susceptible to the interference of external environment, so as to It ensure that the reliability of discharge prevention action.(2)In the application example, upper electric discharge part and lower electric discharge part are set along same straight line, with Compared in traditional gap protection device using inclined starting rod, in a lateral direction, reduce space-consuming.(3)Should Use-case when in use, when neighbouring circuit is by being struck by lightning, discharges, thunder-strike current passes through successively between upper electric discharge part and lower discharging rod Discharging rod, elastic conduction coil, conductive mounting pedestal, conductive mounting pillar is crossed down to conduct to cross-arm;When elastic conduction coil During by the thunder-strike current, by presetting the hand of spiral of elastic conduction coil, it may be such that lower discharging rod stress overcomes elastic conducting The elastic force of electric coil and move down so that the portable protective gaps increase between upper electric discharge part and lower discharging rod, so as to favourable In blocking power frequency continued flow, lightning Protection performance is lifted;And after electric discharge terminates, the reseting elasticity of elastic conduction coil can be relied on to make The part that must discharge down automatically resets to original position.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.

Claims (5)

  1. A kind of 1. lower electric discharge part using elastic conduction coil reset discharge gap, it is characterised in that:Lower electric discharge part includes being provided with The lower discharging rod of lower discharge end, insulation slip pipe, the plug being slidably arranged in insulation slip pipe, for insulate connect lower discharging rod and The insulated connecting piece of plug, the elastic conduction coil, the conductive mounting pedestal that are used to produce electromagnetic force being set on insulation slip pipe With for the conductive mounting pillar on cross-arm;
    The upper end of elastic conduction coil and lower discharging rod are fixedly linked, and the lower end of elastic conduction coil is fixedly installed on conductive mounting On pedestal.
  2. 2. the lightning protection pillar insulator according to claim 1 that discharging gap is adjusted using elastic conduction coil, its feature It is:Lower discharging rod is located at the surface of plug;Insulated connecting piece is fixedly connected with lower discharging rod and plug by screw connection manner.
  3. 3. the lightning protection pillar insulator according to claim 2 for increasing discharging gap using elastic conduction coil, its feature It is:A screw is provided with the center of lower discharging rod bottom namely its connection end, one also is provided with the center on plug top Screw;The main body of insulated connecting piece is into column, and the top of insulated connecting piece is provided with the upper stud projected upwards, and the upper stud is with The screw adaptation of discharging rod;The bottom of insulated connecting piece is provided with downward projection of lower stud, and the screw of the lower stud and plug is fitted Match somebody with somebody.
  4. 4. the lightning protection pillar insulator according to claim 3 for increasing discharging gap using elastic conduction coil, its feature It is:The bottom of insulation slip pipe is provided with insulation plug, and insulation plug blocks the opening of insulation slip pipe bottom.
  5. 5. the lightning protection pillar insulator according to claim 4 for increasing discharging gap using elastic conduction coil, its feature It is:Upper installing hole is provided with the center of conductive mounting Chuck top, the lower end for the slip pipe that insulate is fixedly installed on the upper installing hole In;Lower mounting hole is provided with the center of conductive mounting base bottom, the top of conductive mounting pillar is fixedly installed on the lower installation Kong Zhong.
CN201710745863.5A 2017-08-26 2017-08-26 Utilize the lower electric discharge part in elastic conduction coil reset discharge gap Pending CN107481817A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710745863.5A CN107481817A (en) 2017-08-26 2017-08-26 Utilize the lower electric discharge part in elastic conduction coil reset discharge gap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710745863.5A CN107481817A (en) 2017-08-26 2017-08-26 Utilize the lower electric discharge part in elastic conduction coil reset discharge gap

Publications (1)

Publication Number Publication Date
CN107481817A true CN107481817A (en) 2017-12-15

Family

ID=60602858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710745863.5A Pending CN107481817A (en) 2017-08-26 2017-08-26 Utilize the lower electric discharge part in elastic conduction coil reset discharge gap

Country Status (1)

Country Link
CN (1) CN107481817A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107919661A (en) * 2017-12-28 2018-04-17 浙江多格电气有限公司 A kind of modular Surge Protector
CN114334306A (en) * 2020-10-09 2022-04-12 西安西电高压开关有限责任公司 Insulator assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000021254A (en) * 1998-07-03 2000-01-21 Daito Co Ltd Insulator for supporting hot line
CN201185110Y (en) * 2007-09-06 2009-01-21 固力发电气有限公司 A piercing lightning protection insulator
CN204012185U (en) * 2014-08-08 2014-12-10 陈乐昆 The multi-functional lightning arrester of a kind of overhead transmission line adjustable clearance
CN204088878U (en) * 2014-09-19 2015-01-07 陕西鑫盾科技有限公司 A kind of afterflow of cut-out automatically inter space device
CN106653239A (en) * 2016-11-22 2017-05-10 国网浙江省电力公司绍兴供电公司 Composite lightning protection insulator
CN206379622U (en) * 2017-01-10 2017-08-04 纪晓东 The integrated active Initiative Defence System of direct lightning strike

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000021254A (en) * 1998-07-03 2000-01-21 Daito Co Ltd Insulator for supporting hot line
CN201185110Y (en) * 2007-09-06 2009-01-21 固力发电气有限公司 A piercing lightning protection insulator
CN204012185U (en) * 2014-08-08 2014-12-10 陈乐昆 The multi-functional lightning arrester of a kind of overhead transmission line adjustable clearance
CN204088878U (en) * 2014-09-19 2015-01-07 陕西鑫盾科技有限公司 A kind of afterflow of cut-out automatically inter space device
CN106653239A (en) * 2016-11-22 2017-05-10 国网浙江省电力公司绍兴供电公司 Composite lightning protection insulator
CN206379622U (en) * 2017-01-10 2017-08-04 纪晓东 The integrated active Initiative Defence System of direct lightning strike

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107919661A (en) * 2017-12-28 2018-04-17 浙江多格电气有限公司 A kind of modular Surge Protector
CN114334306A (en) * 2020-10-09 2022-04-12 西安西电高压开关有限责任公司 Insulator assembly
CN114334306B (en) * 2020-10-09 2024-01-26 西安西电高压开关有限责任公司 Insulator components

Similar Documents

Publication Publication Date Title
CN203397798U (en) Built-in column type voltage limiter for overhead conductor
CN105513724A (en) Stationary type follow current-free anti-thunder over-voltage protector for AC (Alternating Current) line
CN107481817A (en) Utilize the lower electric discharge part in elastic conduction coil reset discharge gap
CN202650738U (en) Discharge clamp porcelain insulator
CN102957122A (en) Solid insulated sleeve with inserting type connection
CN101232163B (en) Protection method and device for gap lightning protection
CN201663021U (en) Bidirectional lightning protection pillar insulator
CN206877773U (en) A kind of 10kV fixes external series gap lightning arrester
CN107564628A (en) A kind of lightning protection pillar insulator for increasing discharging gap using elastic conduction coil
CN107359025A (en) Utilize the lightning protection pillar insulator of elastic conduction coil increase discharging gap
CN107564635A (en) A kind of lower electric discharge part for clearance lightning-proof
CN207896663U (en) A kind of lower electric discharge part with elastic conduction coil
CN107359030A (en) A kind of lower electric discharge part using elastic conduction coil reset discharge gap
CN207611649U (en) A kind of lightning protection pillar insulator that can adjust discharging gap
CN107359024A (en) The lightning protection pillar insulator of power frequency continued flow can be blocked
CN107507682A (en) A kind of lightning protection pillar insulator that can block power frequency continued flow
CN107359026A (en) A kind of lightning protection pillar insulator using elastic conduction coil reset discharge gap
CN201146358Y (en) Gap lightning protection device
CN107564630A (en) A kind of lightning protection pillar insulator that can block power frequency continued flow
CN107346686A (en) The lightning protection pillar insulator of power frequency continued flow can be blocked
CN107346685A (en) Utilize the lightning protection pillar insulator in elastic conduction coil reset discharge gap
CN107369506A (en) A kind of lightning protection pillar insulator of built-in discharging gap
CN107564629A (en) A kind of lower electric discharge part for clearance lightning-proof
CN107564631A (en) It is a kind of to be automatically increased discharging gap so as to block the anti-thunder insulator of power frequency continued flow
CN107359023A (en) The lightning protection pillar insulator of built-in discharging gap

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20171215

RJ01 Rejection of invention patent application after publication