CN109461549A - Lighning proof type punctures insulator arrangement - Google Patents

Lighning proof type punctures insulator arrangement Download PDF

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Publication number
CN109461549A
CN109461549A CN201810844971.2A CN201810844971A CN109461549A CN 109461549 A CN109461549 A CN 109461549A CN 201810844971 A CN201810844971 A CN 201810844971A CN 109461549 A CN109461549 A CN 109461549A
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CN
China
Prior art keywords
honour
insulator
conductive seat
conducting wire
punctures
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Pending
Application number
CN201810844971.2A
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Chinese (zh)
Inventor
江尚
吴臻
姜正德
黄云龙
毛和君
徐凤乾
江伟俊
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.)
State Grid Corp of China SGCC
Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201810844971.2A priority Critical patent/CN109461549A/en
Publication of CN109461549A publication Critical patent/CN109461549A/en
Pending legal-status Critical Current

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    • 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
    • H01B17/20Pin insulators
    • 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
    • H01B17/42Means for obtaining improved distribution of voltage; Protection against arc discharges
    • H01B17/46Means for providing an external arc-discharge path

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulators (AREA)

Abstract

The invention discloses a kind of lighning proof types to puncture insulator arrangement, it is desirable to provide one kind can be effectively improved be struck by lightning at present using the route of lightning rod type insulator after, the lighning proof type for the problem of being easy to produce insulated conductor breakage caused by lightning stroke failure punctures insulator arrangement.It includes lightning rod type insulator and anti-lightning strike break wire device, lightning rod type insulator include insulator, the conductive seat that insulator lower end is set, setting hold on the insulator the conductive seat of honour, positioned at the conductive seat of honour top and by the puncture clamping plate connected on bolt and the conduction seat of honour and the conduction stick being electrically connected with the conductive seat of honour;Anti-lightning strike break wire device includes two for the conducting wire tension disc on the conductive seat of honour that insulated conductor is fixedly clamped, two conducting wire tension discs are located at the top at the conductive seat of honour, and puncture clamping plate and be located between two conducting wire tension discs, conducting wire tension disc is connected by bolt with the conductive seat of honour.

Description

Lighning proof type punctures insulator arrangement
Technical field
The application field that the present invention relates to lightning protection hardwares in insulated over-head line, and in particular to a kind of lighning proof type puncture is exhausted Edge sub-device.
Background technique
Since, answered insulating index request insulated over-head line to be widelyd popularize in middle pressure network frame, process is several in recent years The transformation in year, insulated conductor has accounted for leading in distribution line.Insulated conductor application so that route resistance to thunder level under Drop.In order to solve this problem, a kind of included arrester and lightning rod type insulator from stripping insulating layer is invented simultaneously It is widely applied, has pin insulator (insulation such as fixed conducting wire, the cross-arm for making conducting wire and electric pole) and arrester (release thunder Electric current, protection conducting wire, the equipment such as porcelain vase) double action.
As shown in Figure 1 and Figure 2, a kind of lightning rod type insulator common at present comprising insulator 1.2, setting are being insulated The conductive seat of honour 1.3 that the conductive seat 1.1 of sub- lower end, setting are held on the insulator, positioned at the conductive seat of honour top and pass through spiral shell The puncture clamping plate 1.4 connected and the conduction stick 1.5 being electrically connected with the conductive seat of honour on bolt and the conductive seat of honour, one end of conduction stick with lead Electric seat of honour electrical connection, forms discharging gap between the other end and conductive seat of conduction stick, puncture on clamping plate and the conductive seat of honour With puncture tooth 1.6.
For example, China Patent Publication No. CN202230809U, publication date on May 23rd, 2012, innovation and creation it is entitled A kind of Multifunctional lightning protection pin-type insulator.
As shown in Figure 1 and Figure 2, current lightning rod type insulator is mounted on the cross-arm 3 of electric pole by conductive seat, Insulated conductor 2 is all pressed abd fixed on the conductive seat of honour using puncture clamping plate by it, that is to say, that is punctured the corresponding insulation of clamping plate and is led Line position is the fixed point of insulated conductor;Meanwhile lightning rod type insulator can be penetrated using penetration type structure (puncturing clamping plate) The wire insulation being mounted between puncture clamping plate and the conductive seat of honour of insulator upper end forms electrical connection and (punctures clamping plate Puncture tooth 1.6 and penetrate wire insulation, the position for puncturing the puncture tooth penetration wire insulation of clamping plate becomes conducting wire point of puncture), And using unique conduction stick and the conductive seat of honour of insulator upper end it is closely coupled, the conduction stick other end for discharge end and with insulation Discharging gap is formed between the conductive seat of sub- lower end.In normal state, the discharging gap of lightning rod type insulator is failure to actuate, Insulated conductor is reliably fixed and the grounding bodies such as conducting wire and cross-arm is made to insulate, and realizes the function of pin insulator;Meet in insulated conductor When being struck by lightning, conduction stick and discharging gap between conductive seat could be breakdown, form short-channel, lightning current is discharged To greatly, protection equipment realizes the function of lightning protection.
Current lightning rod type insulator is theoretically analyzed, and two functions of insulator and arrester, which seem to have no, asks Topic, and insulator and arrester are combined into one, reduce equipment, it is convenient to come to work belts such as construction, the O&Ms of distribution;But Inventor's discovery discovery insulated conductor breakage caused by lightning stroke failure after lightning rod type insulator is using a period of time is more, and insulate The break point of conducting wire lightning-caused breaking breaks always in same point, i.e. the conducting wire point of puncture of lightning rod type insulator;.Disconnection fault takes place frequently Carry out very big pressure to the work belt of repairing, O&M, directly affects power supply reliability.
In this regard, inventor has carried out a large amount of on-the-spot investigation and analysis is searched that be what reason is caused exhausted using lightning protection pin type After the route of edge is struck by lightning, it is easy to produce insulated conductor breakage caused by lightning stroke failure, and the break point of insulated conductor breakage caused by lightning stroke Always break in same point, i.e. the conducting wire point of puncture of lightning rod type insulator.
By investigating with analysis inventor's discovery: in the current insulated conductor using lightning rod type insulator, insulated conductor Fixed point (puncturing the fixed point that the corresponding insulated conductor position of clamping plate is insulated conductor) and conducting wire point of puncture (i.e. lightning rod The arrester plant-grid connection point of formula insulator) it is located at same point.Due to lightning rod type insulator insulated conductor fixed point ( Cry the porcelain vase outlet of insulator) (insulating layer wrecks) is punctured using puncture mode connecting wire to guiding insulating layer Aluminium layer, i.e. the fixed point of insulated conductor and conducting wire point of puncture be located at same point, simultaneously because two lightning rod type insulators it Between the sliding parabola of insulated conductor subordinate, thus the vibration each time of conducting wire all send out the aluminium layer for making conducting wire and puncturing between tooth Raw abrasion so on the one hand causes in lightning rod type insulator During Process of Long-term Operation, between being easy to produce between aluminium layer and puncture tooth Gap simultaneously constantly becomes larger, so that the contact resistance of conducting wire point of puncture constantly increases, under the daily condition of through-current capability, once there is thunder and lightning circulation Out-of-date, the contact resistance due to puncturing tie point is difficult to meet through-flow requirement greatly, and the electric current of the conducting wire for the puncture tie point for being increases Greatly, cause thorn tie point wire high-temperature, overheat, burn, electric smelting phenomena such as;In addition conducting wire punctures electrical insulation layer and is pierced through It destroys, and is constantly worn between the aluminium layer of conducting wire point of puncture and puncture tooth, which constantly damages, and reduces original and leads Line intensity, to further speed up lightning-caused breaking failure.
Summary of the invention
The purpose of the invention is to provide it is a kind of can be effectively improved at present using the route of lightning rod type insulator by After lightning stroke, the lighning proof type for the problem of being easy to produce insulated conductor breakage caused by lightning stroke failure punctures insulator arrangement.
The technical scheme is that
A kind of lighning proof type puncture insulator arrangement, comprising: lightning rod type insulator, lightning rod type insulator include insulator, set Set insulator lower end conductive seat, setting hold on the insulator the conductive seat of honour, positioned at the conductive seat of honour top and pass through The punctures clamping plate connected and conduction stick be electrically connected with the conductive seat of honour on bolt and the conductive seat of honour, one end of conduction stick with it is conductive on Seat electrical connection, forms discharging gap between the other end and conductive seat of conduction stick;Anti-lightning strike break wire device, anti-lightning strike broken string dress It sets and is used for the conducting wire tension disc on the conductive seat of honour that insulated conductor is fixedly clamped including two, two conducting wire tension discs, which are located at, leads The top at the electric seat of honour, and puncture clamping plate and be located between two conducting wire tension discs, conducting wire tension disc passes through bolt and conductive seat of honour phase Connection.
The lighning proof type of this programme punctures insulator arrangement and changes in current lighning proof type puncture insulator " by insulated conductor Fixed point and conducting wire point of puncture are located at same point, so that the contact resistance of conducting wire point of puncture constantly increases and the conducting wire at the position Constantly damage causes to generate insulated conductor breakage caused by lightning stroke failure, and the break point of insulated conductor breakage caused by lightning stroke breaks always same The problem of point, i.e. the conducting wire point of puncture of lightning rod type insulator ";The fixed point of insulated conductor and conducting wire point of puncture are arranged exhausted The different location of edge conducting wire, thus avoid the aluminium layer of the conducting wire of conducting wire point of puncture and puncture constantly to wear between tooth, so that The contact resistance of conducting wire point of puncture constantly increases, the problem under the daily condition of through-current capability, while avoiding the fixed point of thus conducting wire Because insulating layer is destroyed by puncture, and the conducting wire intensity of the fixed point of conducting wire is reduced, and avoid because of aluminium layer and puncture between tooth not It is disconnected to wear, so that the problem of conducting wire intensity of the fixed point of conducting wire constantly reduces, so as to be effectively improved at present using anti- After the route of thunder pin insulator is struck by lightning, the problem of being easy to produce insulated conductor breakage caused by lightning stroke failure.
Preferably, the upper surface at the conductive seat of honour is equipped with wire restraint slot, and wire restraint slot runs through the upper of the conductive seat of honour Surface, conducting wire tension disc are located at the surface of wire restraint slot, puncture the surface that clamping plate is located at wire restraint slot.
Preferably, being located at the side for puncturing the wire restraint slot immediately below clamping plate equipped with puncture tooth.
Preferably, the cross section of wire restraint slot is arc-shaped.
Preferably, the lower surface of conducting wire tension disc is equipped with pressuring line groove.
Preferably, also being provided with puncturing tooth on the lower surface of puncture clamping plate.
Preferably, the lateral surface of conductive seat is equipped with the trick arc protrusion matched with conduction stick.
Preferably, two conducting wire tension discs are symmetrically distributed in the opposite sides for puncturing clamping plate.
The beneficial effects of the present invention are: can be effectively improved at present using lightning rod type insulator route be struck by lightning after, The problem of being easy to produce insulated conductor breakage caused by lightning stroke failure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of lightning rod type insulator in the prior art.
Fig. 2 is the partial enlarged view at the A in Fig. 1.
Fig. 3 is a kind of structural schematic diagram that lighning proof type of the invention punctures insulator arrangement.
Fig. 4 is that lighning proof type of the invention punctures a kind of structural schematic diagram of insulator arrangement in actual application.
Fig. 5 is a kind of the schematic diagram of the section structure in Fig. 4 at B-B.
Fig. 6 is a kind of the schematic diagram of the section structure in Fig. 4 at C-C.
In figure:
Conductive seat 1.1, insulator 1.2, the conductive seat of honour 1.3, wire restraint slot 1.31 puncture clamping plate 1.4, and conduction stick 1.5 is worn Ratchet 1.6 recruits arc protrusion 1.7;
Insulated conductor 2;
Cross-arm 3;
Conducting wire tension disc 4, pressuring line groove 4.1.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in figure 3, a kind of lighning proof type punctures insulator arrangement, including lightning rod type insulator and anti-lightning strike break wire device.
Lightning rod type insulator includes insulator 1.2, the conductive seat 1.1 that insulator lower end is arranged in, is arranged and is insulating The conductive seat of honour 1.3 of sub- upper end, the top positioned at the conductive seat of honour and the puncture clamping plate 1.4 by being connected on bolt and the conductive seat of honour And the conduction stick 1.5 being electrically connected with the conductive seat of honour.The lateral surface of conductive seat is equipped with the trick arc protrusion matched with conduction stick 1.7.One end of conduction stick is electrically connected with the conductive seat of honour.Discharging gap is formed between the other end and conductive seat of conduction stick, is had Body, which is said, is, forms discharging gap between the other end of conduction stick and the trick arc protrusion of conductive seat.
The upper surface at the conductive seat of honour is equipped with wire restraint slot 1.31, and wire restraint slot runs through the upper surface at the conductive seat of honour. The cross section of wire restraint slot is arc-shaped.
Puncture the surface that clamping plate is located at wire restraint slot.The lower surface for puncturing clamping plate, which is equipped with, punctures tooth 1.6.Positioned at wearing It also is provided with puncturing tooth on the side of wire restraint slot immediately below thorn clamping plate.
As shown in Fig. 3, Fig. 6, anti-lightning strike break wire device includes two for being fixedly clamped insulated conductor at the conductive seat of honour On conducting wire tension disc 4.The lower surface of conducting wire tension disc is equipped with pressuring line groove 4.1.The length direction and wire restraint of pressuring line groove The length direction of slot is parallel.
Two conducting wire tension discs are located at the top at the conductive seat of honour, and specifically, conducting wire tension disc is located at wire restraint slot Surface.Clamping plate is punctured to be located between two conducting wire tension discs.In the present embodiment, two conducting wire tension discs are symmetrically distributed in puncture The opposite sides of clamping plate.
Conducting wire tension disc is connected by bolt with the conductive seat of honour.
The lighning proof type of the present embodiment punctures the specifically used as follows of insulator arrangement:
As shown in Figure 4, Figure 5, lighning proof type punctures insulator arrangement and is mounted on the cross-arm 3 of electric pole by conductive seat.
As shown in figs. 4 and 6, two conducting wire tension discs 4 are bolted on the conductive seat of honour, to be led by two Insulated conductor 2 is compressed, is fixed on the wire restraint slot 1.31 at the conductive seat of honour by line tension disc, i.e., insulated conductor is led by two Line tension disc is fixed on the conductive seat of honour, in the present embodiment the conducting wire fixed point of insulated conductor be two, i.e., with conducting wire tension disc pair The insulated conductor position answered is conducting wire fixed point;
Then, as shown in Figure 4, Figure 5, by puncture clamping plate be bolted on the conductive seat of honour, thus make puncture clamping plate and The insulating layer that puncture tooth 1.6 on the conductive seat of honour penetrates insulated conductor 2 forms electrical connection, in the present embodiment with puncture clamping plate pair The insulated conductor position answered is the conducting wire point of puncture of insulated conductor;
It can be seen that the lighning proof type of the present embodiment puncture insulator arrangement change that current lighning proof type punctures " will be exhausted in insulator The fixed point and conducting wire point of puncture of edge conducting wire are located at the technical solution of same point ", conducting wire fixed point and conducting wire point of puncture are arranged Different location on insulated conductor, and conducting wire point of puncture is located between two conducting wire fixed points, so, on the one hand, due to Conducting wire point of puncture is located between two conducting wire fixed points, and conducting wire point of puncture, which not will receive between two lightning rod type insulators, is in The influence of the vibration of the insulated conductor of downslide parabolic distribution, thus avoid because in downslide parabolic distribution insulated conductor it is every Primary vibration will all wear between the aluminium layer for making conducting wire and puncture tooth, cause lightning rod type insulator During Process of Long-term Operation In, gap is easy to produce between aluminium layer and puncture tooth and is constantly become larger, so that the contact resistance of conducting wire point of puncture constantly increases, is led to Problem under the daily condition of stream ability;On the other hand, the insulating layer of the insulated conductor of conducting wire fixed point is not pierced and destroys, and It can constantly be worn between tooth to avoid because of aluminium layer and puncturing, so that asking of constantly reducing of the conducting wire intensity of the fixed point of conducting wire Topic;So as to be effectively improved at present using lightning rod type insulator route be struck by lightning after, be easy to produce insulated conductor lightning stroke The problem of disconnection fault.

Claims (8)

1. a kind of lighning proof type punctures insulator arrangement, comprising:
Lightning rod type insulator, lightning rod type insulator include insulator, the conductive seat that insulator lower end is set, setting exist The conductive seat of honour of insulator upper end, the top positioned at the conductive seat of honour and the puncture clamping plate by being connected on bolt and the conductive seat of honour and The conduction stick being electrically connected with the conductive seat of honour, one end of conduction stick are electrically connected with the conductive seat of honour, the other end of conduction stick and conductive bottom Discharging gap is formed between seat, characterized in that further include:
Anti-lightning strike break wire device, anti-lightning strike break wire device include two for being fixedly clamped insulated conductor on the conductive seat of honour Conducting wire tension disc, two conducting wire tension discs are located at the top at the conductive seat of honour, and puncture clamping plate and be located between two conducting wire tension discs, Conducting wire tension disc is connected by bolt with the conductive seat of honour.
2. lighning proof type according to claim 1 punctures insulator arrangement, characterized in that the upper surface at the conduction seat of honour is set Have a wire restraint slot, and wire restraint slot runs through the upper surface at the conductive seat of honour, conducting wire tension disc be located at wire restraint slot just on Side punctures the surface that clamping plate is located at wire restraint slot.
3. lighning proof type according to claim 2 punctures insulator arrangement, characterized in that leading immediately below puncture clamping plate The side of line limiting slot, which is equipped with, punctures tooth.
4. lighning proof type according to claim 2 or 3 punctures insulator arrangement, characterized in that the cross of the wire restraint slot Section is arc-shaped.
5. lighning proof type according to claim 1 or 2 or 3 punctures insulator arrangement, characterized in that the conducting wire tension disc Lower surface is equipped with pressuring line groove.
6. lighning proof type according to claim 1 or 2 or 3 punctures insulator arrangement, characterized in that under the puncture clamping plate It also is provided with puncturing tooth on surface.
7. lighning proof type according to claim 1 or 2 or 3 punctures insulator arrangement, characterized in that outside the conductive seat Side is equipped with the trick arc protrusion matched with conduction stick.
8. lighning proof type according to claim 1 or 2 or 3 punctures insulator arrangement, characterized in that two conducting wire tension discs pair Claim to be distributed in the opposite sides for puncturing clamping plate.
CN201810844971.2A 2018-07-27 2018-07-27 Lighning proof type punctures insulator arrangement Pending CN109461549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810844971.2A CN109461549A (en) 2018-07-27 2018-07-27 Lighning proof type punctures insulator arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810844971.2A CN109461549A (en) 2018-07-27 2018-07-27 Lighning proof type punctures insulator arrangement

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202013784U (en) * 2011-04-26 2011-10-19 王洪祥 Lightning protection insulator
CN202178121U (en) * 2011-07-15 2012-03-28 合肥固力发电气有限公司 Lightning rod type insulator
CN205845611U (en) * 2016-08-04 2016-12-28 红光电气集团有限公司 Bidirectional lightning protection pillar insulator
CN207264845U (en) * 2017-10-17 2018-04-20 天津海能电力建设有限公司 A kind of insulator arrangement for high-voltage power transmission tower
CN208834819U (en) * 2018-07-27 2019-05-07 国网浙江省电力有限公司衢州供电公司 A kind of lighning proof type puncture insulator arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202013784U (en) * 2011-04-26 2011-10-19 王洪祥 Lightning protection insulator
CN202178121U (en) * 2011-07-15 2012-03-28 合肥固力发电气有限公司 Lightning rod type insulator
CN205845611U (en) * 2016-08-04 2016-12-28 红光电气集团有限公司 Bidirectional lightning protection pillar insulator
CN207264845U (en) * 2017-10-17 2018-04-20 天津海能电力建设有限公司 A kind of insulator arrangement for high-voltage power transmission tower
CN208834819U (en) * 2018-07-27 2019-05-07 国网浙江省电力有限公司衢州供电公司 A kind of lighning proof type puncture insulator arrangement

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Application publication date: 20190312

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