CN109461549A - Lighning proof type punctures insulator arrangement - Google Patents
Lighning proof type punctures insulator arrangement Download PDFInfo
- 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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- honour
- insulator
- conductive seat
- conducting wire
- punctures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/20—Pin insulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
- H01B17/46—Means 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
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.
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CN201810844971.2A CN109461549A (en) | 2018-07-27 | 2018-07-27 | Lighning proof type punctures insulator arrangement |
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CN201810844971.2A CN109461549A (en) | 2018-07-27 | 2018-07-27 | Lighning proof type punctures insulator arrangement |
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Citations (5)
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 |
-
2018
- 2018-07-27 CN CN201810844971.2A patent/CN109461549A/en active Pending
Patent Citations (5)
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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