CN207938398U - A kind of disposable lightning protection device - Google Patents
A kind of disposable lightning protection device Download PDFInfo
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- CN207938398U CN207938398U CN201820413268.1U CN201820413268U CN207938398U CN 207938398 U CN207938398 U CN 207938398U CN 201820413268 U CN201820413268 U CN 201820413268U CN 207938398 U CN207938398 U CN 207938398U
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- lightning protection
- disposable
- protection device
- cylinder body
- insulating cylinder
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Abstract
The utility model discloses a kind of disposable lightning protection device, including covering the insulating cylinder body with hollow structure up and down, the aerogenesis conductor along the connecting pin of insulating cylinder body and discharge end extension is provided in insulating cylinder body, disposable lightning protection device connects the side of insulator chain of the end mounted on circuit when in use, the air gap is formed between the discharge end of disposable lightning protection device and the conductor of different potentials are more immediate, the length of exterior insulation cylinder and the distance of the air gap are greater than the internal overvoltage gap of circuit, simultaneously, it is less than the lightning protection voltage gap of insulator chain, aerogenesis conductor is melted by electric arc generates electric arc, and moment generates high pressure gas inside insulating cylinder body under high arc temperature, it is washed open by high pressure gas and discharges high pressure gas by arc extinction in the one or both ends of insulating cylinder body.The utility model can protect insulator anti-can to trip again, and lightning stroke trip probability can be greatly reduced, and produce relatively low with operating cost.
Description
Technical field
The utility model is related to transmission tower anti-thunder technical fields, and in particular to a kind of disposable lightning protection device.
Background technology
Thunder and lightning is diastrous weather phenomenon, often causes serious disasters and accidents, to the mankind and nature for the survival of mankind
The civilization that environment and resource and the mankind create causes great disaster and threat, such as causes forest fire, causes lightning stroke personnel
Injures and deaths etc..The considerable damage of Lightning Disaster is also unable to control and prevents to the current mankind.In the power system, thunder and lightning is even more
There is serious threat, cause equipment damage, line outage, cause power failure, has notably so that power grid paralysis.The thunder of China
It is very frequent to hit disaster, disaster-stricken rate is high, caused by disaster it is extremely serious.
Power system transmission line exposes in the wild, is easily struck by lightning in thunderstorm season.For a long time, transmission line of electricity exists
Thunderstorm season tripping rate with lightning strike remains high always, and the failure of current power transmission circuit 2/3rds causes due to being struck by lightning, through its people
Economy causes serious loss, and also protecting electricity work to summer peak meeting brings great difficulty.
Currently, the thunder and lightning of transmission line of electricity or distribution line, which easily hits shaft tower, is often used Zinc-Oxide Arrester progress lightning protection.But
It is that Zinc-Oxide Arrester cost is excessively high, and needs periodic test, to debug, arrester causes line tripping, leads
Cause fails to be widely applied always.However, lightning stroke shaft tower tripping is a small probability event, even if being much higher by lightning strike density
The region of average level, in a thunderstorm season, lightning stroke causes the probability of certain insulator string disruptive discharge less than 0.5%.And it is existing
Arrester can restore initial electric connection status automatically after lightning discharge, and every arrester, which must all reach, is subjected to multiple thunder
It hits without failure, after the lightning stroke being otherwise subjected to when because short-circuit consequence caused by surge arrester failure is than being fitted without arrester
Fruit is also serious.If existing arrester large area installation, it will bring a large amount of preventive trial pressure.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind can protect insulator again can be anti-jump
Lock, it is i.e. actively out of service after meeting with a lightning discharge, restore the original lightning protection voltage gap insulation level of insulator, it is real
Existing lower cost more large area uses, and can substantially reduce lightning stroke trip probability, reduce the disposable lightning protection device of O＆M cost.
The technical solution of the utility model is as follows：A kind of disposable lightning protection device, including covered up and down with hollow structure
Insulating cylinder body, one end of the insulating cylinder body is connecting pin, and the other end of the insulating cylinder body is discharge end, the insulating cylinder
It is provided with the aerogenesis conductor along the connecting pin of insulating cylinder body and discharge end extension in vivo, the disposable lightning protection device is using
When connect end mounted on the side of the insulator chain of circuit, the discharge end of the disposable lightning protection device and different potentials
Form the air gap between conductor is more immediate, the distance of the length of the insulating cylinder body and the air gap is intended to greatly
In the internal overvoltage gap of circuit, meanwhile, it is less than the lightning protection voltage gap of the insulator chain, the aerogenesis conductor is put
Electric current, which melts, generates electric arc, and moment generates high pressure gas, the insulation inside the insulating cylinder body under high arc temperature
It is washed open by the high pressure gas and discharges the high pressure gas by arc extinction in the one or both ends of cylinder.
Optionally, the disposable lightning protection device can connect end and be installed on the upper of the insulator chain when mounted
In end/lower end metal-ware or it is symmetrically arranged in the upper and lower side metal-ware of the insulator chain.
It is provided with connecting bracket on the connecting pin of the disposable lightning protection device.
Preferably, spring is connected between the connecting pin and the connecting bracket of the disposable lightning protection device, described one
Secondary property lightning protection device is always consistent the distance of the air gap under the elastic reaction of the spring.
Preferably, the discharge end of the disposable lightning protection device is provided with the inside arc guide card of an opening, by described
Arc guide card is always consistent the distance of the air gap.
Preferably, the air gap is equal to the 70 ~ 90% of the lightning protection voltage gap of the insulator chain.
Optionally, the aerogenesis conductor is wrapped up or hybrid conductive material by macromolecule gas exhausted material, and length is equal to or small
In the length of insulating cylinder body.
Optionally, the shape of the insulating cylinder body is cylindric or oval tubular.
Wherein, the connection tautness that the insulating cylinder body covers up and down is less than the impact force of the high pressure gas.
Optionally, the insulating cylinder body covers up and down and insulating cylinder body is integrally formed or Split assembled is molded.
Compared with the existing technology, the beneficial effects of the utility model are：By installing this on the insulator chain of circuit
The disposable lightning protection device of utility model when in being struck by lightning, can preferentially puncture the air gap, and the air gap is made to form electric arc,
The inner conductor of disposable lightning protection device, which is discharged electric current and melts, generates electric arc, and under high arc temperature moment in disposable lightning protection
The inside of device generates high pressure gas, and high pressure gas goes out extinguishing electric arc from one end of disposable lightning protection device, that is, prevents absolutely
The possibility that edge substring is punctured by thunder and lightning in turn avoids tripping caused by lightning stroke, has achieved the purpose that take shelter from the thunder safely, and this is primary
Property lightning protection device cost is relatively low, and disposable lightning protection device is preferably respectively mounted on every insulator chain of overhead transmission line, can be big
Disposable lightning protection device big to reduce lightning stroke trip probability, that replacement acted when combining integrative interruption maintenance, drops significantly
Low cost of labor.
Description of the drawings
Fig. 1 is a kind of wherein one implementation structural schematic diagram of disposable lightning protection device of the utility model；
Fig. 2 is a kind of mounting structure schematic diagram of disposable lightning protection device described in the utility model embodiment one；
Fig. 3 is one of a kind of another structural schematic diagram of disposable lightning protection device described in the utility model embodiment one；
Fig. 4 is a kind of another second structural representation of disposable lightning protection device described in the utility model embodiment one；
Fig. 5 is a kind of mounting structure schematic diagram of disposable lightning protection device described in the utility model embodiment two；
Fig. 6 is a kind of mounting structure schematic diagram of disposable lightning protection device described in the utility model embodiment three；
Fig. 7 is a kind of mounting structure schematic diagram of disposable lightning protection device described in the utility model embodiment four.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment one
~ 2 are please referred to Fig.1, present embodiments provides a kind of disposable lightning protection device 3, including covered up and down with hollow knot
One end of the insulating cylinder body 5 of structure, insulating cylinder body 5 is connecting pin, and the other end of insulating cylinder body 5 is discharge end, is set in insulating cylinder body 5
It is equipped with the aerogenesis conductor 6 along the connecting pin of insulating cylinder body 5 and discharge end extension, disposable lightning protection device 3 is when in use by it
Connecting pin is mounted on the side of the insulator chain 2 of circuit 1, and the discharge end of disposable lightning protection device 3 and the conductor of different potentials are most
The air gap 4 is formed between a bit close, the length of insulating cylinder body 5 and the distance of the air gap 4 are greater than the interior of circuit 1
Portion's voltage gap, meanwhile, it is less than the lightning protection voltage gap of insulator chain 2, aerogenesis conductor 6 is discharged electric current and melts generation electricity
Arc, and under high arc temperature moment high pressure gas is generated inside insulating cylinder body 5, the one or both ends of insulating cylinder body 5 are in high pressure
It is washed open under the punching press of gas and discharges high pressure gas by arc extinction.
By installing disposable lightning protection device 3 on the insulator chain 2 of circuit 1, when in being struck by lightning, can preferentially puncture empty
Gas gap 4, makes the air gap 4 form electric arc, and the inside aerogenesis conductor 6 of disposable lightning protection device 3 is discharged electric current and melts generation
Electric arc, and under high arc temperature moment generate high pressure gas in the inside of disposable lightning protection device 3, high pressure gas is from insulating cylinder body
Extinguishing electric arc is gone out in 5 one end, that is, the possibility for preventing insulator chain 2 to be punctured by thunder and lightning in turn avoids jumping caused by lightning stroke
Lock has achieved the purpose that take shelter from the thunder safely, and used 3 cost of disposable lightning protection device is relatively low.
Disposable lightning protection device 3 used in the present embodiment is disposable, it is therefore advantageous to, in overhead transmission line 1
It is respectively mounted the disposable lightning protection device 3 on every insulator chain 2, can substantially reduce by lightning stroke probability, the disposable lightning protection
Device 3 using after primary it is vacant, the probability in being struck by lightning in 1 year because of same overhead transmission line 1 twice is extremely low, can be significantly
Reduce cost of labor.
In specific implementation process, the connecting pin of the disposable lightning protection device 3 is installed on by a connecting bracket 7 described
The upper end metal-ware of insulator chain 2 includes on cross arm of tower.
In the present embodiment, the length of the inside aerogenesis conductor 6 of the disposable lightning protection device 3 is equal to the length of insulating cylinder body 5
Degree.It should be noted that the length of the insulating cylinder body 5 and the distance of the air gap 4 are greater than the builtin voltage of circuit 1
Gap, meanwhile, it is less than the lightning protection voltage gap of the insulator chain 2.
Preferably, the air gap 4 is equal to the 70 ~ 90% of the lightning protection voltage gap of the insulator chain 2.The air
The distance in gap 4 is designed with the lightning protection voltage gaps of 70 ~ 90% insulator chains 2.
Preferably, the disposable lightning protection device 3 can be such that the distance of the air gap 4 keeps always by structure design
Unanimously.To make the distance of the air gap 4 that great fluctuation process not occur, the thunder-lightning less than the insulator chain 2 is remained
Press gap.It as shown in Figure 3, Figure 4, when it is implemented, can be by the connecting pin of the disposable lightning protection device 3 and connecting bracket
One spring 8 is set between 7, or is led in the inside arc of one opening of the discharge end bottom surface of the disposable lightning protection device 3 setting
Piece 9, is designed by above two, even if in the case where blowing hard, the distance of the air gap 4 can be consistent, and be had
Slight error influences little can be ignored.
In the present embodiment, the inside aerogenesis conductor 6 of the disposable lightning protection device 3 includes gas exhausted material and conductive material.
A large amount of innocuous gas can be generated after making its high temperature, the inside of disposable lightning protection device 3 is enabled to form high pressure gas.
The connection tautness of the disposable lightning protection device 3 covered up and down is less than the impact force of the high pressure gas.
So that covering up and down for the disposable lightning protection device 3 can be washed open under the impact of high pressure gas, to enable high pressure gas discharge
By arc extinction.
Optionally, the covering up and down of the disposable lightning protection device 3 and insulating cylinder body 5 be integrally formed or Split assembled at
Type.It may be designed to be integrally formed, may be designed as Split assembled molding, need to only meet the upper and lower of the disposable lightning protection device 3
The connection tautness of covering is less than the impact force of the high pressure gas.
Optionally, the shape of the insulating cylinder body 5 may be designed as cylindric or oval tubular.
Embodiment two
As shown in figure 5, the present embodiment and embodiment one the difference is that, in the present embodiment, the disposable lightning protection
The length of the inside aerogenesis conductor 6 of device 3 is less than the length of insulating cylinder body 5, the length of the insulating cylinder body 5 and the air gap
4 distance is greater than the builtin voltage gap of circuit 1, meanwhile, it is less than the lightning protection voltage gap of insulator chain 2,
The above embodiments one and embodiment two are only the two of which of multiple embodiments, the disposable lightning protection device
Therefore the length of 3 inside aerogenesis conductor 6 does not define.
Embodiment three
As shown in fig. 6, the present embodiment and embodiment one the difference is that the disposable lightning protection device 3 installation position
It sets, in the present embodiment, the connecting pin of the disposable lightning protection device 3 is installed on by connecting bracket 7 under the insulator chain 2
It holds in metal-ware, the discharge end of the disposable lightning protection device 3 is upward, and immediate one with the conductor of upward different potentials
Point forms the air gap 4.The length of the insulating cylinder body 5 of the disposable lightning protection device 3 and the distance of the air gap 4 are more than circuit
1 builtin voltage gap, meanwhile, it is less than the lightning protection voltage gap of the insulator chain 2.
The principle of the present embodiment is identical as the principle of embodiment one, therefore does not repeat.
In the present embodiment, the length of the inside aerogenesis conductor 6 of the disposable lightning protection device 3 is equal to the length of insulating cylinder body 5
Degree.Certainly, in another embodiment, the length that the inside aerogenesis conductor 6 of disposable lightning protection device 3 also can be changed, makes it be less than
The length of insulating cylinder body 5 can refer to embodiment two.
Example IV
As shown in fig. 7, the difference of the present embodiment and embodiment one and embodiment three, the disposable lightning protection device 3
Installation combine the installation method of the embodiment one and embodiment three, in the present embodiment, the disposable lightning protection device 3 is set
There are two, connecting pin is symmetrically arranged on by connecting bracket 7 in the upper and lower side metal-ware of the insulator chain 2, upper and lower
The air gap 4 is formed between the discharge end of two disposable lightning protection devices 3.The insulating cylinder of described two disposable lightning protection devices 3
The total length of body 5 and the distance of the air gap 4 are more than the builtin voltage gap of the circuit 1, meanwhile, it is less than the insulator chain
2 lightning protection voltage gap.
The principle of the present embodiment is identical as the principle of above-described embodiment, therefore does not repeat.
In the present embodiment, the length of the inside aerogenesis conductor 6 of described two disposable lightning protection devices 3 is equal to insulating cylinder body
5 length.Certainly, in other embodiments, the inside aerogenesis conductor 6 of described two disposable lightning protection devices 3 also can be changed
Length makes it be less than length of insulating cylinder body 5, the length of the inside aerogenesis conductor 6 of two disposable lightning protection devices 3 not necessarily phase
Deng.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of disposable lightning protection device, it is characterised in that：It is described exhausted including covering the insulating cylinder body with hollow structure up and down
One end of edge cylinder is connecting pin, and the other end of the insulating cylinder body is discharge end, is provided with along exhausted in the insulating cylinder body
The aerogenesis conductor that the connecting pin of edge cylinder and discharge end extend, the disposable lightning protection device connect end installation when in use
In the side of the insulator chain of circuit, the discharge end of the disposable lightning protection device and the conductor of different potentials are more immediate
Between form the air gap, the inside that the distance of the length of the insulating cylinder body and the air gap is greater than circuit is excessively electric
Gap is pressed, meanwhile, it is less than the lightning protection voltage gap of the insulator chain, the aerogenesis conductor is discharged electric current and melts generation electricity
Arc, and moment generates high pressure gas, the one or both ends of the insulating cylinder body inside the insulating cylinder body under high arc temperature
It is washed open by the high pressure gas and discharges the high pressure gas by arc extinction.
2. a kind of disposable lightning protection device according to claim 1, it is characterised in that：The disposable lightning protection device is being pacified
End can be connected when dress is installed in upper end/lower end metal-ware of the insulator chain or is symmetrically arranged on the insulator
In the upper and lower side metal-ware of string.
3. a kind of disposable lightning protection device according to claim 2, it is characterised in that：The company of the disposable lightning protection device
It connects and is provided with connecting bracket on end.
4. a kind of disposable lightning protection device according to claim 3, it is characterised in that：The company of the disposable lightning protection device
Connect and be connected with spring between end and the connecting bracket, the disposable lightning protection device under the elastic reaction of the spring always
The distance of the air gap is set to be consistent.
5. a kind of disposable lightning protection device according to claim 3, it is characterised in that：The disposable lightning protection device is put
Electric end is provided with the inside arc guide card of an opening, so that the distance of the air gap is kept one always by the arc guide card
It causes.
6. a kind of disposable lightning protection device according to claim 4 or 5, it is characterised in that：The air gap is equal to institute
State the 70 ~ 90% of the lightning protection voltage gap of insulator chain.
7. a kind of disposable lightning protection device according to claim 1, it is characterised in that：The aerogenesis conductor is produced by macromolecule
Gas material wraps up or hybrid conductive material, and length is equal to or less than the length of insulating cylinder body.
8. a kind of disposable lightning protection device according to claim 1, it is characterised in that：The shape of the insulating cylinder body is circle
Tubular or oval tubular.
9. a kind of disposable lightning protection device according to claim 1, it is characterised in that：What the insulating cylinder body covered up and down
Connect the impact force that tautness is less than the high pressure gas.
10. a kind of disposable lightning protection device according to claim 9, it is characterised in that：The insulating cylinder body covers up and down
It is integrally formed with insulating cylinder body or Split assembled is molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820413268.1U CN207938398U (en) | 2018-03-27 | 2018-03-27 | A kind of disposable lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820413268.1U CN207938398U (en) | 2018-03-27 | 2018-03-27 | A kind of disposable lightning protection device |
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| Publication Number | Publication Date |
|---|---|
| CN207938398U true CN207938398U (en) | 2018-10-02 |
Family
ID=63655916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820413268.1U Active CN207938398U (en) | 2018-03-27 | 2018-03-27 | A kind of disposable lightning protection device |
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| Country | Link |
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| CN (1) | CN207938398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310790A (en) * | 2018-03-27 | 2019-10-08 | 深圳带路科技有限公司 | A kind of overhead transmission line lightening arresting method |
-
2018
- 2018-03-27 CN CN201820413268.1U patent/CN207938398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310790A (en) * | 2018-03-27 | 2019-10-08 | 深圳带路科技有限公司 | A kind of overhead transmission line lightening arresting method |
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