CN218242555U - Vertical gap lightning protection discharge jet arrester - Google Patents
Vertical gap lightning protection discharge jet arrester Download PDFInfo
- Publication number
- CN218242555U CN218242555U CN202221874608.3U CN202221874608U CN218242555U CN 218242555 U CN218242555 U CN 218242555U CN 202221874608 U CN202221874608 U CN 202221874608U CN 218242555 U CN218242555 U CN 218242555U
- Authority
- CN
- China
- Prior art keywords
- gap
- arrester
- cavity
- lightning protection
- lightning
- 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.)
- Active
Links
Images
Landscapes
- Insulators (AREA)
Abstract
The utility model relates to a lightning arrester technical field discloses a vertical clearance lightning protection earial drainage sprays formula lightning arrester, include multicavity room clearance body, insulating cover, put out the arc structure, connect electrical terminal and ground terminal. The multi-cavity gap body is provided with a plurality of air gap cavities which are communicated in series along the length direction of the multi-cavity gap body; the insulating sleeve is matched and sleeved on the outer side of the multi-cavity gap body; the multi-cavity gap body is provided with an outward discharge hole penetrating through the insulating sleeve at a position corresponding to each air gap cavity; an arc quenching structure is arranged in each air gap cavity; the power connection terminal and the grounding terminal are respectively matched and penetrate through the two ends of the insulating sleeve to be arranged and sleeved on the two ends of the multi-cavity gap body. The vertical gap lightning-protection current-leakage jet type arrester strengthens the diffusion of plasma in the short electric arc and the dissipation of heat, accelerates the dissociation removal process of the short electric arc, achieves the effect of rapidly interrupting the power frequency follow current electric arc of a system, and reduces the lightning trip-out rate, the lightning breakage rate and the lightning accident rate.
Description
Technical Field
The utility model relates to a lightning arrester technical field especially relates to a vertical clearance lightning protection earial drainage sprays formula lightning arrester.
Background
The frequent occurrence of lightning accidents threatens the safe operation of a power grid, and according to statistics, lightning strike is the primary factor causing tripping of a power transmission line, thereby causing great loss to social economy. With the rapid increase of the scale of a power grid and the continuous improvement of the reliability requirement, the lightning protection level of the enhanced line is imperative, so that higher requirements on lightning protection flashover measures are provided. The lightning conductor is usually adopted as a protective measure for direct lightning strike in the power transmission line, the line arrester can effectively protect the line from faults caused by direct lightning strike or shielding strike, and the wide installation of the line arrester is a direct and effective method for reducing the lightning strike trip-out rate.
At present, the traditional lightning arrester mainly comprises a protective gap lightning arrester, a metal oxide lightning arrester and the like. The lightning arrester with the protection gap is designed in an insulation fit mode, can discharge before an insulator under the action of lightning overvoltage, has the function of arc striking, and prevents the insulator from being ablated; this protection clearance arrester's parallelly connected clearance structure connects in parallel at the both ends of insulator, when the circuit suffered the thunderbolt, relies on the insulator cooperation, and parallelly connected clearance structure can be punctured earlier than the insulator. The mode of protecting the gap of the gap arrester can only passively wait for the self-extinguishing of the electric arc for a long time, does not have the capacity of self-extinguishing the electric arc, and needs to be matched with a reclosing switch for use, so that the gap electrode in the parallel gap structure is shorter and shorter when burnt, and the original protection performance is lost, thereby no longer having the lightning protection effect, and even causing the explosion of the arrester.
The zinc oxide lightning arrester has the following defects: (1) delayed opening: the valve plate resistance and the huge current exist at the same time, so that 100 percent of residual voltage exceeds the standard; (2) contradictory structure: the moisture-proof layer seriously influences heat dissipation and causes high probability thermal breakdown; (3) potential safety hazard: after thermal breakdown, the thermal breakdown becomes a permanent short-circuit point, which causes the power grid to have a long-time power failure (4), and the maintenance amount is huge: has wearing parts and constitutes a major hazard source of the power grid.
Therefore, the conventional lightning arrester cannot completely meet the reliability requirement of the existing power system in terms of the gap protection structure, and in order to solve the problem, a vertical gap lightning protection leakage current jet type lightning arrester needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's problem, providing a vertical clearance lightning protection earial drainage sprays formula arrester.
In order to achieve the above purpose, the utility model adopts the following scheme:
a vertical gap lightning protection discharge jet arrester comprising:
a multi-chambered interstitial body having a plurality of air-interstitial chambers in series communication along a length direction thereof;
the insulating sleeve is matched and sleeved on the outer side of the multi-cavity gap body; the multi-cavity gap body is provided with an outward discharge hole penetrating through the insulating sleeve at a position corresponding to each air gap cavity;
the arc quenching structure is arranged in each air gap cavity;
the power connection terminal and the grounding terminal are respectively matched and penetrate through the two ends of the insulating sleeve and are sleeved on the two ends of the multi-cavity gap body.
Furthermore, the multi-cavity gap body is formed by connecting and communicating a plurality of T-shaped ceramic tubes in series; each T-shaped ceramic tube is provided with an air gap chamber; each T-shaped ceramic tube is also provided with the pair of discharge holes communicated with the corresponding air gap chamber; and each T-shaped ceramic tube is provided with one arc quenching structure.
Further, the T-shaped ceramic tube comprises a ceramic tube body part and a ceramic outer hole extension part perpendicular to one side of the ceramic tube body part; the ceramic body portion and the ceramic outer bore extension have the air gap chamber and an outer bleed bore, respectively.
Further, the pair of exhaust holes are in vertical communication with the air gap chamber.
Further, the arc quenching structure comprises a graphite electrode and a metal electrode; the graphite electrode and the metal electrode are respectively arranged in two ends of each air gap cavity.
Further, the insulating sleeve comprises a nylon protective layer and a silicon rubber outer sleeve; the nylon protective layer is matched with and penetrates through one end of the insulating sleeve to be sleeved on the outer side of the multi-cavity gap body; the silicone rubber outer sleeve is matched with and penetrates through the other end of the insulating sleeve to be arranged on the outer side of the nylon protective layer in a sleeved mode.
Further, the silicone rubber outer sleeve comprises a pipe body and an insulating isolation umbrella; the insulating isolation umbrellas are arranged on the outer periphery of the tube body and are uniformly distributed along the length direction of the tube body; the pipe body and the insulating isolation umbrella are integrally formed.
Furthermore, the vertical gap lightning protection current-discharging jet arrester also comprises an inducer, a drainage wire and a mounting bracket; one end of the inducer is connected with the electric connection terminal, and the other end of the inducer is connected with the drainage wire; the mounting bracket is connected with the ground terminal.
Further, one end of the inductor is vertically connected with the upper end of the electric terminal.
Furthermore, an electricity-proof convex structure is arranged on the inducer.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses be equipped with the communicating air gap cavity of a plurality of series connection on the length direction of multicavity room clearance body, it has external discharge hole to correspond at every air gap cavity, and set up one at every air gap cavity and put off the arc structure, utilize a plurality of that the air gap cavity is indoor to put off the arc structure and cut apart into a plurality of short electric arcs with power frequency afterflow electric arc, the high temperature that short electric arc produced heats the air in the air gap cavity rapidly, form expanding gas, and then form the atmospheric pressure difference with the external world, then along spouting to the discharge hole, and simultaneously, the hot air current brings out the air gap cavity with short electric arc together, the diffusion and the thermal dissipation of plasma in the short electric arc have been strengthened, the dissociation process that goes of short electric arc has been accelerated, in order to reach the effect of the quick-break system power frequency afterflow electric arc, thereby make the circuit resume normal operating condition before breaker protection tripping operation is established, and reduce the power frequency operating voltage that multicavity room clearance body bore for a long time by a wide margin, solve the electric arc restrike difficult problem that multiple initiation effectively, the electric arc restrike is a fire, the root cause of thermal ionization restrike and the root source of eliminating the thunderstorm of the thunderbolt and the root cause of the occurrence of eliminating is tripped and the root cause of the hard short circuit.
2. The utility model discloses a set up multicavity room clearance body, insulating cover, the structure of putting out an arc, connect electrical terminal and earthing terminal and combine to form vertical clearance lightning protection earial drainage and spray formula arrester, can satisfy the many demands that send out the district and need arc extinguishing action number of times of thunderbolt, reduce thunderbolt tripping operation rate, thunderbolt broken string rate, thunderbolt accident rate, improve the lightning-resistant level of circuit, cancel the earth mat transformation, reduce the lightning protection cost, the maintenance cycle time increases, reduces the maintenance cost.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a schematic view of the sectional structure of the vertical gap lightning protection current-discharging jet arrester of the present invention.
Fig. 2 is a schematic cross-sectional view of the multi-chamber gap body and arc quenching structure of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the vertical gap lightning protection current-discharging jet arrester of the present invention.
The drawing comprises the following steps:
the multi-cavity gap structure comprises a multi-cavity gap body 1, a T-shaped ceramic tube 11, a ceramic tube body 111, an air gap cavity 1111, a ceramic outer hole extension 112, an external discharge hole 1121, an insulating sleeve 2, a nylon protective layer 21, a silicon rubber outer sleeve 22, a tube body 221, an insulating isolation umbrella 222, an arc quenching structure 3, a graphite electrode 31, a metal electrode 32, an electric connection terminal 4, a grounding terminal 5, an inductor 6, a drainage wire 7, a mounting bracket 8 and an electricity-proof protrusion structure 9.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, a vertical gap lightning protection current leakage jet arrester includes a multi-chamber gap body 1, an insulating sleeve 2, an arc quenching structure 3, an electrical connection terminal 4 and an earth terminal 5. Wherein the multi-chamber gap body 1 has a plurality of air gap chambers 1111 communicated in series along a length direction thereof; the insulating sleeve 2 is matched and sleeved on the outer side of the multi-cavity gap body 1; the multi-cavity gap body 1 is provided with an external discharge hole 1121 penetrating through the insulating sleeve 2 at a position corresponding to each air gap cavity 1111; each air gap chamber 1111 is internally provided with one arc quenching structure 3 for dividing the power frequency follow current arc into a plurality of short arcs so as to achieve the effect of rapidly intercepting the power frequency follow current arc of the system. The electric connection terminal 4 and the grounding terminal 5 are respectively matched and penetrate through the two ends of the insulating sleeve 2 and are sleeved on the two ends of the multi-chamber gap body 1.
A plurality of air gap chambers 1111 which are communicated in series are arranged in the length direction of a multi-cavity gap body 1, each air gap chamber 1111 is correspondingly provided with an external discharge hole 1121, an arc extinguishing structure 3 is arranged in each air gap chamber 1111, after lightning impact, lightning impact discharge is formed in the air gap chambers 1111 of the multi-cavity gap body 1 between an electric terminal 4 and a ground terminal 5, a power-frequency follow current arc is also formed along a lightning impact discharge channel, the power-frequency follow current arc is divided into a plurality of short arcs by the aid of the arc extinguishing structures 3 in the air gap chambers 1111, air in the air gap chambers 1111 is rapidly heated by high temperature generated by the short arcs to form expansion gas, air pressure difference is formed between the expansion gas and the outside, then the expansion gas is sprayed out of the external discharge holes 1121, and meanwhile, the short arcs are taken out of the air gap chambers 1111 together by hot air flow. And the short arc is in the magnetic field generated by the line current and can be acted by the electromagnetic thrust, under the action, the short arc is further easily pushed out of the air gap chamber 1111 and directly contacts with the outside air, the diffusion of plasma and the heat dissipation in the short arc are enhanced, the dissociation removal process of the short arc is accelerated, and the effect of rapidly interrupting the power frequency follow current arc of the system is achieved, so that the line is restored to a normal operation state before the protection tripping criterion of the transformer substation breaker is established, the power frequency operation voltage born by the multi-chamber gap body 1 for a long time is greatly reduced, the problem of electric arc re-ignition caused by multiple lightning strokes is effectively solved, and the root cause of thermal ionization re-ignition is eliminated, and the root cause of lightning trip and hard short circuit is eliminated. On the other hand, through setting up multi-chamber clearance body 1, insulating cover 2, the structure of putting out an arc 3, connect electrical terminal 4 and ground terminal 5 and combine together and form vertical clearance lightning protection earial drainage and spray formula arrester, can satisfy the many needs of the many times of arc extinguishing action of thunderbolt many hair areas, reduce thunderbolt trip-out rate, thunderbolt broken string rate, thunderbolt accident rate, improve the lightning-resistant level of circuit, cancel the ground net and reform transform, reduce the lightning protection cost, the maintenance cycle time increases, reduce the maintenance cost.
The multi-cavity gap body 1 is formed by connecting and communicating a plurality of T-shaped ceramic tubes 11 in series; meanwhile, the T-shaped ceramic tube 11 is made of ceramic materials, has good rigidity, can resist high-temperature erosion of electric arcs, has good effects of moisture prevention and aging damage prevention, does not need to be periodically detected and maintained during operation, so that the lightning-resistant level of a high line is facilitated, the reconstruction of a ground screen is omitted, the lightning-proof manufacturing cost is reduced, the maintenance period is prolonged, and the maintenance cost is reduced. Each of the T-shaped ceramic tubes 11 has an air gap chamber 1111; each of the T-shaped ceramic tubes 11 further has the pair of outflow holes 1121 through which the corresponding one of the air gap chambers 1111 communicates; each T-shaped ceramic tube 11 is provided with one arc quenching structure 3. Establish ties a plurality of T type ceramic pipe 11 and be linked together formation multi-chamber clearance body 1, on the one hand, make things convenient for multi-chamber clearance body 1 stable the suit in insulating cover 2, and the installation of single arc structure 3 of putting out, on the other hand, utilize the hot gas flow to bring out air gap cavity 1111 with short electric arc together for ground, make the direct and external air contact of short electric arc, the diffusion and the thermal dissipation of plasma in the short electric arc have been strengthened, the process of dissociating of short electric arc has been accelerateed, in order to reach the effect of the quick interruption system power frequency afterflow electric arc.
Preferably, the T-shaped ceramic tube 11 includes a ceramic tube body 111 and a ceramic outer hole extension 112 perpendicular to one side of the ceramic tube body 111; the ceramic tube portion 111 and the ceramic outer hole extension 112 have the air gap chamber 1111 and the outer bleeding hole 1121, respectively. The pair of outflow holes 1121 vertically communicate with the air gap chamber 1111. One side of the ceramic tube body 111 is vertically provided with a ceramic outer hole extension part 112 which is stably arranged in the insulating sleeve 2 to play a good clamping function and enhance the stability of the whole multi-chamber gap body 1 in the insulating sleeve 2.
In the present embodiment, the arc quenching structure 3 includes a graphite electrode 31 and a metal electrode 32; the graphite electrode 31 and the metal electrode 32 are respectively arranged in two ends of each air gap chamber 1111. The graphite electrode 31 and the metal electrode 32 are respectively arranged at two ends of each air gap chamber 1111 to form an arc quenching structure 3, after the insulating sleeve 2 is subjected to lightning impulse discharge, due to coulomb force action between the graphite electrode 31 and the metal electrode 32, power frequency follow current electric arcs preferentially enter the air gap chambers 1111 and are forced to develop according to the special space structure of the air gap chambers 1111, then the power frequency follow current electric arcs can be divided into a plurality of short electric arcs by the aid of the plurality of arc quenching structures 3 in the air gap chambers 1111, air in the air gap chambers 1111 is rapidly heated by high temperature generated by the short electric arcs to form expanded gas, air pressure difference is further formed between the expanded gas and the outside, then the expanded gas is sprayed out of the discharge holes 1121, meanwhile, hot gas flow brings the short electric arcs out of the air gap chambers 1111 together, the short electric arcs are directly contacted with the outside air, diffusion and heat dissipation of plasmas in the short electric arcs are enhanced, the dissociation process of the short electric arcs is accelerated, the effect of rapidly achieving the effect of fast breaking off the system is achieved, and therefore the problem that the power frequency follow current is recovered to a normal operation state before the protective tripping criterion of the circuit breaker of the transformer substation is established is solved, the problem of long-time power frequency operation voltage and the hard-frequency operation of the hard-frequency operation is solved effectively, and the problem of hard-frequency lightning stroke of hard-reignition and the hard-trip is solved, and the hard-trip problem of the hard-trip is solved effectively.
In the present embodiment, the insulating sheath 2 includes a nylon protective layer 21 and a silicone rubber outer sheath 22; the nylon protective layer 21 is matched with and penetrates through one end of the insulating sleeve 2 to be sleeved on the outer side of the multi-cavity gap body 1; the silicone rubber outer sleeve 22 is matched with and penetrates through the other end of the insulating sleeve 2 to be arranged on the outer side of the nylon protective layer 21 in a sleeved mode. Specifically, each T-shaped ceramic tube 11 is serially embedded in the nylon protection layer 21, and the nylon protection layer 21 and the silicone rubber outer sleeve 22 have openings corresponding to the ceramic outer hole extending portions 112, so as to facilitate communication between the external bleeding hole 1121 and the outside. The nylon protective layer 21 and the silicon rubber outer sleeve 22 are used for forming the insulating sleeve 2, so that the multi-cavity gap body 1 can be effectively and well insulated and protected. Wherein, the silicone rubber outer sleeve 22 comprises a pipe body 221 and an insulating isolating umbrella 222; the insulating barrier ribs 222 are arranged on the outer periphery of the tube 221 and are uniformly distributed along the length direction of the tube 221; the pipe body 221 and the insulating isolation umbrella 222 are integrally formed.
In this embodiment, the vertical gap lightning protection current leakage jet arrester further includes an inducer 6, a current guiding wire 7, and a mounting bracket 8; one end of the inducer 6 is connected with the electric connection terminal 4, and the other end of the inducer is connected with the drainage wire 7; the mounting bracket 8 is connected to the ground terminal 5. The mounting bracket 8 can facilitate the fixed mounting of the vertical gap lightning protection current leakage jet arrester. The drainage wire 7 and the inducer 6 are arranged on the electric connection terminal 4, so that the effect of well guiding lightning stroke current is achieved. Wherein, one end of the inductor 6 is vertically connected with the upper end of the electric terminal 4.
In order to protect the inducer 6 well and prevent the inducer 6 from being damaged by direct lightning strike, an electricity-proof convex structure 9 is arranged on the inducer 6. Through setting up and prevent electric protruding structure 9, be favorable to the drainage thunderbolt electric current, avoid inductor 6 directly to receive the thunderbolt and damage, play good guard action to inductor 6.
To sum up, the embodiment of the utility model provides a vertical clearance lightning protection earring current jet arrester, wherein, be equipped with the communicating air gap cavity 1111 of a plurality of series connection on the length direction of multi-chamber clearance body 1, there is external discharge hole 1121 at every air gap cavity 1111 correspondence, and set up one at every air gap cavity 1111 and put out arc structure 3, after the lightning impulse, air gap cavity 1111 of multi-chamber clearance body 1 forms the lightning impulse discharge between electrical connection terminal 4 and ground terminal 5, power frequency afterflow electric arc also forms along the lightning impulse discharge passageway, utilize a plurality of that puts out arc structure 3 in the air gap cavity 1111 to cut apart into a plurality of short electric arcs with power frequency afterflow electric arc, the air in the air gap cavity 1111 is heated rapidly to the high temperature that short electric arc produced, form the inflation gas, and then form the atmospheric pressure difference with the external world, then spout along external discharge hole 1121, simultaneously, the hot gas flow brings out air gap cavity 1111 together with short electric arc. And the short arc is in a magnetic field generated by the line current and can be acted by electromagnetic thrust, under the action, the short arc is further easily pushed out of the air gap cavity 1111 and is directly contacted with the outside air, the diffusion of plasma and the heat dissipation in the short arc are enhanced, the dissociation removing process of the short arc is accelerated, and the effect of rapidly breaking the power frequency follow current arc of the system is achieved, so that the line is restored to a normal operation state before the protection tripping criterion of the transformer substation breaker is established, the power frequency operation voltage born by the multi-cavity gap body 1 for a long time is greatly reduced, the problem of electric arc re-ignition caused by multiple lightning strokes is effectively solved, the root cause of thermal ionization re-ignition is eliminated, and the root cause of lightning stroke tripping and hard short circuit is eliminated. On the other hand, through setting up multi-chamber clearance body 1, insulating cover 2, the structure of putting out an arc 3, connect electrical terminal 4 and ground terminal 5 and combine together and form vertical clearance lightning protection earial drainage and spray formula arrester, can satisfy the many needs of the many times of arc extinguishing action of thunderbolt many hair areas, reduce thunderbolt trip-out rate, thunderbolt broken string rate, thunderbolt accident rate, improve the lightning-resistant level of circuit, cancel the ground net and reform transform, reduce the lightning protection cost, the maintenance cycle time increases, reduce the maintenance cost.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (10)
1. The utility model provides a vertical clearance lightning protection earial drainage sprays formula arrester which characterized in that includes:
a multi-chambered interstitial body having a plurality of air-interstitial chambers in series communication along a length direction thereof;
the insulating sleeve is matched and sleeved on the outer side of the multi-cavity gap body; the multi-cavity gap body is provided with an outward discharge hole penetrating through the insulating sleeve at a position corresponding to each air gap cavity;
the arc quenching structure is arranged in each air gap cavity;
the power connection terminal and the grounding terminal are respectively matched and penetrate through the two ends of the insulating sleeve and are sleeved on the two ends of the multi-cavity gap body.
2. The vertical gap lightning protection discharge jet arrester of claim 1 wherein the multi-chamber gap body is formed by a plurality of T-shaped ceramic tubes connected in series; each T-shaped ceramic tube has an air gap chamber; each T-shaped ceramic tube is also provided with the pair of discharge holes communicated with the corresponding air gap chamber; and each T-shaped ceramic tube is provided with one arc quenching structure.
3. The vertical gap lightning protection discharge jet arrester of claim 2 wherein the T-shaped ceramic tube includes a ceramic tube body and a ceramic outer bore extension perpendicular to one side of the ceramic tube body; the ceramic body portion and the ceramic outer bore extension have the air gap chamber and an outer bleed bore, respectively.
4. The vertical gap lightning protection discharge jet arrester of claim 1 wherein the pair of bleed holes are in vertical communication with the air gap chamber.
5. The vertical gap lightning protection discharge jet arrester of any one of claims 1 to 4, wherein the arc quenching structure comprises a graphite electrode and a metal electrode; the graphite electrode and the metal electrode are respectively arranged in two ends of each air gap cavity.
6. The vertical gap lightning protection discharge jet arrester of claim 1 wherein the insulating sleeve comprises a nylon protective layer and a silicone rubber outer sleeve; the nylon protective layer is matched with and penetrates through one end of the insulating sleeve to be sleeved on the outer side of the multi-cavity gap body; the silicone rubber outer sleeve is matched with and penetrates through the other end of the insulating sleeve to be arranged on the outer side of the nylon protective layer in a sleeved mode.
7. The vertical gap lightning protection discharge jet arrester of claim 6 wherein the silicone rubber outer jacket comprises a tube body and an insulating barrier umbrella; the insulating isolation umbrellas are arranged on the outer periphery of the tube body and are uniformly distributed along the length direction of the tube body; the pipe body and the insulating isolation umbrella are integrally formed.
8. The vertical gap lightning protection bleeder jet arrestor of claim 1, further comprising an inducer, a drainage wire, and a mounting bracket; one end of the inducing body is connected with the electric connection terminal, and the other end of the inducing body is connected with the drainage wire; the mounting bracket is connected to the ground terminal.
9. The vertical gap lightning protection bleeder jet arrester of claim 8, wherein one end of the inducer is vertically connected to the upper end of the electrical terminal.
10. The vertical gap lightning protection leakage current jet arrester of claim 8, wherein the inducer is provided with an electricity-proof protrusion structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221874608.3U CN218242555U (en) | 2022-07-06 | 2022-07-06 | Vertical gap lightning protection discharge jet arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221874608.3U CN218242555U (en) | 2022-07-06 | 2022-07-06 | Vertical gap lightning protection discharge jet arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218242555U true CN218242555U (en) | 2023-01-06 |
Family
ID=84676525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221874608.3U Active CN218242555U (en) | 2022-07-06 | 2022-07-06 | Vertical gap lightning protection discharge jet arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218242555U (en) |
-
2022
- 2022-07-06 CN CN202221874608.3U patent/CN218242555U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102856021B (en) | Follow current-free arc lightening-protection gap protection device | |
| CN103594210B (en) | Multiple level self-expanding air blast is vertical blows out arc lightning protection device | |
| CN104779522B (en) | A kind of thunder and lightning smoothing device with insulator function | |
| CN113328340A (en) | Liquid recoil arc extinguishing lightning protection method | |
| CN105977789A (en) | Spiral multi-gap lightning arrester | |
| CN113206451A (en) | Liquid recoil arc extinguishing lightning protection device | |
| CN218242555U (en) | Vertical gap lightning protection discharge jet arrester | |
| CN102592757B (en) | Constraint space jet-stream wind arc extinguishing lightning protection clearance apparatus | |
| CN215452048U (en) | Y-shaped recoil arc-extinguishing device | |
| CN107240859B (en) | Flat plate gap lightning arrester based on short arc potential drop and near-cathode effect superposition | |
| CN214849535U (en) | Liquid recoil arc extinguishing lightning protection device | |
| CN113178853B (en) | Overvoltage protection system for lightning invasion waves on transformer substation line side | |
| CN109638650A (en) | One kind being based on multi-chamber line thunder protection device | |
| CN203826144U (en) | Multi-gap self-expanding strong-airflow longitudinal-blowing arc-extinguishing lightning protection device | |
| CN202796277U (en) | No-freewheeling arc lightning protection gap protecting device | |
| CN111969417A (en) | Piston type arc extinguishing device | |
| CN103474183A (en) | Voltage-sharing type lightning-protection clearance device capable of deeply restraining power frequency, follow current and electric arcs | |
| CN110661173A (en) | Multi-cavity lightning flashover limiter | |
| CN212412428U (en) | High-coupling split reactance current-limiting type multi-chamber arc-extinguishing lightning protection device | |
| CN203931675U (en) | The lightning protection inter space protective device that a kind of arc extinguishing air-flow timesharing triggers | |
| CN219163907U (en) | Line lightning protection device | |
| CN209658599U (en) | A kind of comprehensive arc extinguishing arrester of the semi-enclosed recoil of no the air gap | |
| CN210403379U (en) | Recoil arc extinguishing insulator piece | |
| CN218940307U (en) | Fireproof multi-cavity type arc-blowing fixed-gap lightning protection device | |
| CN113782288B (en) | Drop-out gap lightning arrester suitable for high-resistance mountain area and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |