CN206673548U - A kind of overvoltage lightning protection device - Google Patents
A kind of overvoltage lightning protection device Download PDFInfo
- Publication number
- CN206673548U CN206673548U CN201720382568.3U CN201720382568U CN206673548U CN 206673548 U CN206673548 U CN 206673548U CN 201720382568 U CN201720382568 U CN 201720382568U CN 206673548 U CN206673548 U CN 206673548U
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- CN
- China
- Prior art keywords
- electrode
- arrester
- high pressure
- extinguishing arc
- pressure extinguishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of overvoltage lightning protection device; including adjustable mounting bracket; supporting insulator is installed above the adjustable mounting bracket; the upper end of the supporting insulator is provided with insulator wire clamp; arrester one or arrester two are provided with the right side of the supporting insulator; the arrester one is fastened with high pressure extinguishing arc electrode by high pressure extinguishing arc electrode mounting hole, the arrester two and conductive electrode on high-voltage line or pierces through and forms discharging gap between electrode.Lightning surge is led to arrester by the utility model by high pressure extinguishing arc electrode, conductive electrode or puncture electrode; overvoltage energy is discharged by adjustable mounting bracket again; to protect wire from being burnt; so as to also avoid the generation of wire lightning-caused breaking accident; arrester uses high performance metal-oxide resistor disc, has a good nonlinear wind vibration, and capacity is big through-flow fast; overvoltage high sensitivity is discharged, residual voltage is low.
Description
Technical field
Overvoltage lightening protection apparatus technical field is the utility model is related to, specially a kind of overvoltage lightning protection dress
Put.
Background technology
In the overhead transmission line of traditional design, the dielectric level of circuit is generally relatively low, when by directly hitting thunder or induction lightening
Effect when, the insulator junction in line system easily causes flashover, and insulating barrier is breakdown, and the power frequency arc to continue is herein
Place's burning, will be blown in extremely short time inside conductor.10kV distribution lines are in thunderbolt First Line, often by thunder
Hit, because resistance to thunder level is not very high, it is difficult to bear the effect of direct thunder and induced lightening.Be struck by lightning insulated conductor and thunderbolt bare conductor
When electric arc evolution it is significantly different.During thunderbolt bare conductor, the arc root of electric arc is along guidewire movement, so burning will not be concentrated
Hinder wire, cause the probability of conductor cord disconnection smaller, and be struck by lightning insulated conductor when, the sufficiently high lightning surge of amplitude, which will cause, to be led
The insulating barrier and insulator of line puncture simultaneously and flashover, and breakdown wire insulation is in a Pinhole-shaped, around breakdown point
In the presence of insulation, the movement of electric arc is hindered, arc root is stopped and burns on one point, even if being now adjusted to the relay trip time most
Small, wire will also be damaged by the short circuit current of several kilo-amperes, and the time inside conductor to continue will be blown by neat, line-outage contingency
Generation be still difficult to avoid that.
Utility model content
The purpose of this utility model is to provide a kind of overvoltage lightning protection device, to solve to carry in above-mentioned background technology
The problems such as thunderbolt high-voltage line gone out.
To achieve the above object, the utility model provides following technical scheme：A kind of overvoltage lightning protection device, including
Adjustable mounting bracket, supporting insulator, the upper end of the supporting insulator are installed above the adjustable mounting bracket
Insulator wire clamp is installed, arrester one or arrester two, the arrester one are provided with the right side of the supporting insulator
High pressure extinguishing arc electrode, the arrester two and the conduction electricity on high-voltage line are fastened with by high pressure extinguishing arc electrode mounting hole
Pole is pierced through and forms discharging gap between electrode, bare wire wire clamp is provided with the conductive electrode, under the bare wire wire clamp
End is provided with high-voltage arc strike electrode, and puncture wire clamp is provided with the puncture electrode, and the lower end for piercing through wire clamp is provided with height
Press arc electrode.
Preferably, the high pressure extinguishing arc electrode sleeve is exhausted with support in the outside of supporting insulator, the high pressure extinguishing arc electrode
Gap between the full skirt of edge must be uniform, and interstice coverage is 25 ± 5mm, between the high pressure extinguishing arc electrode and wire
Interstice coverage is 60~100 ± 5mm.
Preferably, the bulk material of the high pressure extinguishing arc electrode is stainless steel, and the arrester one and arrester two are adopted
With high performance metal-oxide resistor disc.
Preferably, the discharging gap can adjust.
Preferably, insulating boot is installed on the outside of the puncture electrode.
Compared with prior art, the beneficial effects of the utility model are：The utility model passes through high pressure extinguishing arc electrode, conduction
Lightning surge is led to arrester by electrode or puncture electrode, then discharges overvoltage energy by adjustable mounting bracket, with
Protect wire from being burnt, so as to also avoid the generation of wire lightning-caused breaking accident, arrester uses high-performance metal
Oxide resistor piece, there is good nonlinear wind vibration, capacity is big through-flow fast, discharges overvoltage high sensitivity, and residual voltage is low,
Mounting bracket can change arrester height using adjustable, so as to adjust between the electric discharge between high pressure extinguishing arc electrode and wire
Discharging gap between gap and arrester and conductive electrode or puncture electrode, to meet to match somebody with somebody and different insulator products, thorn
Wear electrode and be installed in addition with insulating boot, add safe to use, the device performance is reliable, and installation is convenient, is provided for power department
More economical, safer, more effective approach.
Brief description of the drawings
Fig. 1 is a kind of structural representation using high pressure extinguishing arc electrode of overvoltage lightning protection device of the utility model；
Fig. 2 is a kind of top plan view structural representation of the high pressure extinguishing arc electrode of overvoltage lightning protection device of the utility model
Figure；
Fig. 3 is a kind of structural representation using conductive electrode of overvoltage lightning protection device of the utility model；
Fig. 4 is a kind of planar structure schematic diagram of the puncture electrode of overvoltage lightning protection device of the utility model.
In figure：The adjustable installation of 1- insulators wire clamp, 2- supporting insulators, 3- high pressure extinguishing arcs electrode, 4- arresters one, 5-
Support, 6- high pressure extinguishing arcs electrode mounting hole, 7- arresters two, 8- discharging gaps, 9- conductive electrodes, 10- high-voltage arc strikes electrode,
11- bare wires wire clamp, 12- pierce through electrode, 13- insulating boots, 14- and pierce through wire clamp.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-4, a kind of overvoltage lightning protection device embodiment provided by the utility model：A kind of overvoltage is prevented
Thunder protection device, including adjustable mounting bracket 5, the top of adjustable mounting bracket 5 are provided with supporting insulator 2, and support is exhausted
The upper end of edge 2 is provided with insulator wire clamp 1, and the right side of supporting insulator 2 is provided with arrester 1 or arrester 27, kept away
Thunder device 1 is fastened with high pressure extinguishing arc electrode 3 by high pressure extinguishing arc electrode mounting hole 6, and arrester 27 is with being arranged on high-voltage line
Conductive electrode 9 pierces through formation discharging gap 8 between electrode 12, and bare wire wire clamp 11, bare wire wire clamp are provided with conductive electrode 9
11 lower end is provided with high-voltage arc strike electrode 10, pierces through to be provided with electrode 12 and pierces through wire clamp 14, the lower end for piercing through wire clamp 14 is set
It is equipped with high-voltage arc strike electrode 10.
High pressure extinguishing arc electrode 3 is enclosed on the outside of supporting insulator 2, the full skirt of high pressure extinguishing arc electrode 3 and supporting insulator 2 it
Between gap must be uniform, and interstice coverage is 25 ± 5mm, the interstice coverage between high pressure extinguishing arc electrode 3 and wire is 60~
100 ± 5mm, the bulk material of high pressure extinguishing arc electrode 3 is stainless steel, and arrester 1 and arrester 27 use high-performance metal
Oxide resistor piece, discharging gap 8 is adjustable, and the outside for piercing through electrode 12 is provided with insulating boot 13.
Specifically used mode：In utility model works, high-voltage conducting wires are fixed by insulator wire clamp 1, by arrester
1 or arrester 27 and supporting insulator 2 be arranged on adjustable mounting bracket 5, during using arrester 1, by stainless steel
High pressure extinguishing arc electrode 3 is fastened on arrester 1 so that high pressure extinguishing arc electrode 3 is enclosed on around supporting insulator 2, regulation
Uniformly, the gap between high pressure extinguishing arc electrode 3 and the full skirt of supporting insulator 2 must be uniform, in 25 ± 5mm, high pressure extinguishing arc electricity
Gap between pole 3 and wire must be external in 60~100 ± 5mm, three-phase draining ring, should in the same direction, in order to avoid draining ring
Between gap it is too small, cause alternate electric discharge；During using arrester 27, overhead bare conductor uses bare wire wire clamp 11, and insulated conductor makes
With penetrating cable clamp 14, by adjusting adjustable mounting bracket 5, guarantee discharge gap distance is 40 ± 5mm, to there is reliable ground.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of overvoltage lightning protection device, including adjustable mounting bracket (5), it is characterised in that：The adjustable installation
Supporting insulator (2) is installed above support (5), the upper end of the supporting insulator (2) is provided with insulator wire clamp (1),
Arrester one (4) or arrester two (7) are provided with the right side of the supporting insulator (2), the arrester one (4) passes through height
Pressure extinguishing arc electrode mounting hole (6) is fastened with high pressure extinguishing arc electrode (3), the arrester two (7) and leading on high-voltage line
Electrode (9) pierces through formation discharging gap (8) between electrode (12), and bare wire wire clamp is provided with the conductive electrode (9)
(11), the lower end of the bare wire wire clamp (11) is provided with high-voltage arc strike electrode (10), and spinosity is installed on the puncture electrode (12)
Threading clip (14), the lower end for piercing through wire clamp (14) are provided with high-voltage arc strike electrode (10).
A kind of 2. overvoltage lightning protection device according to claim 1, it is characterised in that：The high pressure extinguishing arc electrode
(3) outside of supporting insulator (2), the gap between the high pressure extinguishing arc electrode (3) and the full skirt of supporting insulator (2) are enclosed on
Must uniformly, and interstice coverage is 25 ± 5mm, interstice coverage of the high pressure extinguishing arc electrode (3) between wire is 60~100
±5mm。
A kind of 3. overvoltage lightning protection device according to claim 1, it is characterised in that：The high pressure extinguishing arc electrode
(3) bulk material is stainless steel, and the arrester one (4) and arrester two (7) use high performance metal-oxide resistance
Piece.
A kind of 4. overvoltage lightning protection device according to claim 1, it is characterised in that：The discharging gap (8) can
Regulation.
A kind of 5. overvoltage lightning protection device according to claim 1, it is characterised in that：The puncture electrode (12)
Outside is provided with insulating boot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382568.3U CN206673548U (en) | 2017-04-13 | 2017-04-13 | A kind of overvoltage lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382568.3U CN206673548U (en) | 2017-04-13 | 2017-04-13 | A kind of overvoltage lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673548U true CN206673548U (en) | 2017-11-24 |
Family
ID=60381045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720382568.3U Active CN206673548U (en) | 2017-04-13 | 2017-04-13 | A kind of overvoltage lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673548U (en) |
-
2017
- 2017-04-13 CN CN201720382568.3U patent/CN206673548U/en active Active
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