CN111834900A - Semi-closed recoil comprehensive arc extinguishing lightning arrester without air gap - Google Patents
Semi-closed recoil comprehensive arc extinguishing lightning arrester without air gap Download PDFInfo
- Publication number
- CN111834900A CN111834900A CN201910305809.8A CN201910305809A CN111834900A CN 111834900 A CN111834900 A CN 111834900A CN 201910305809 A CN201910305809 A CN 201910305809A CN 111834900 A CN111834900 A CN 111834900A
- Authority
- CN
- China
- Prior art keywords
- arc extinguishing
- recoil
- arc
- lightning
- main body
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
-
- 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
-
- 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
- H01B17/48—Means for obtaining improved distribution of voltage; Protection against arc discharges over chains or other serially-arranged insulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
- H01T1/08—Means for extinguishing arc using flow of arc-extinguishing fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
- H01T1/08—Means for extinguishing arc using flow of arc-extinguishing fluid
- H01T1/10—Means for extinguishing arc using flow of arc-extinguishing fluid with extinguishing fluid evolved from solid material by heat of arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus
Abstract
The invention discloses a semi-closed recoil comprehensive arc-extinguishing lightning arrester without an air gap. It comprises a lightning arrester main body; the upper end and the lower end of the lightning arrester main body are respectively installed at the two ends of the insulator string through connecting hardware fittings to form reliable electric connection; the interior of the lightning arrester main body is hollow, and an insulating partition plate is arranged along the longitudinal direction of the lightning arrester main body, so that two independent arc extinguishing chambers are formed in the lightning arrester main body; a recoil device is arranged inside the upper end of the arc extinguishing chamber on the left side, and a recoil opening is arranged at the lower end of the arc extinguishing chamber; the top end of the recoil device is provided with an upper electrode; the inner part of the lower end of the arc extinguishing cavity on the right side is provided with an air jet device, and the upper end of the arc extinguishing cavity is provided with an air jet nozzle extending to the outer side; the bottom of the air jet device is provided with a lower electrode; and the insulating partition plate is provided with a wall electrode. The lightning protection device can effectively prevent the insulator from flashover, reduce the lightning trip-out rate of power equipment, protect power facilities, improve the reliability of a power grid and be favorable for power safety production.
Description
Technical Field
The invention belongs to an arrester for a power transmission and distribution overhead line, and relates to an air gap-free semi-closed recoil comprehensive arc extinguishing arrester.
Background
Lightning strike can bring different forms of damage and destruction to electric power facilities, lightning strike overvoltage can be caused in an electric power system by thundercloud discharge, and common overvoltage in an overhead line comprises overvoltage of lightning strike near the overhead line on a power transmission line through electromagnetic induction and overvoltage generated by lightning striking on a wire directly. Lightning stroke causes overvoltage, and can damage insulators and power transmission lines; lightning stroke causes flashover discharge of the insulator, can cause burning and shedding on the surface of porcelain or reticular cracks on the glass insulator, and greatly reduces the insulating strength; lightning strikes on a power transmission line or a lightning conductor can cause strand breakage and even breakage, so that power transmission work cannot be carried out.
Lightning protection of a power transmission line is always important content of lightning protection work of a power department, and lightning faults are still one of important factors influencing the safety of a power grid. Impact flashover caused by lightning strike on a power transmission line causes flashover of a line insulator, then large power frequency follow current is generated, an insulator string and hardware fittings are damaged, and line accidents are caused. The protection of the power department is generally realized by additionally arranging a line lightning protector on a power transmission line.
The applicant and the related inventors have found the following problems in the existing lightning protection device in the continuous research process: 1) the arc extinguishing capacity is not strong, and the arc extinguishing energy of the arc extinguishing device always effects the flashover arc energy; 2) the arc extinguishing sensitivity is not high, and the problem that an arc extinguishing device does not work under the condition of low-temperature arc exists; 3) the durability is poor, most arc extinguishing devices need gas generating materials to provide arc extinguishing conditions, and unnecessary consumption exists in extreme environments; 4) influenced by the operation mode, the arc extinguishing and lightning protection effects are poor.
Disclosure of Invention
The invention provides a semi-closed recoil comprehensive arc-extinguishing arrester without an air gap, aiming at the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a semi-closed recoil comprehensive arc-extinguishing arrester without air gaps comprises an arrester main body; the upper end and the lower end of the lightning arrester main body are respectively installed at the two ends of the insulator string through connecting hardware fittings to form reliable electric connection; the interior of the lightning arrester main body is hollow, and an insulating partition plate is arranged along the longitudinal direction of the lightning arrester main body, so that two independent arc extinguishing chambers are formed in the lightning arrester main body; a recoil device is arranged inside the upper end of the arc extinguishing chamber on the left side, and a recoil opening is arranged at the lower end of the arc extinguishing chamber; the top end of the recoil device is provided with an upper electrode; the inner part of the lower end of the arc extinguishing cavity on the right side is provided with an air jet device, and the upper end of the arc extinguishing cavity is provided with an air jet nozzle extending to the outer side; the bottom of the air jet device is provided with a lower electrode; and the insulating partition plate is provided with a wall electrode.
The invention further discloses that the backflushing device mainly comprises a backflushing pipe and a lightning receptor; one end of the recoil pipe is opened, and the other end of the recoil pipe is fixedly provided with the lightning receptor, so that the recoil device becomes a semi-closed pipe fitting which is hollow inside and is opened at one end and closed at the other end; the lightning receptor is electrically connected with the upper electrode.
The invention further discloses that an opening of the recoil pipe is provided with an arc guide ring I.
The invention further describes that the jet air flow device mainly comprises a jet air flow generating device and a jet cylinder; the inner part of the jet cylinder is hollow, one end of the jet cylinder is opened, the other end of the jet cylinder is fixedly arranged on the jet airflow generating device, and the bottom of the jet airflow generating device is electrically connected with the lower electrode. The jet flow generating device can adopt the prior invention work of the inventor, such as application numbers 201420140125.X, 201821264900.7 and 201811319479.X, can also adopt the existing jet flow arc extinguishing device products on the market at present, and the like.
The invention further discloses that an opening of the injection cylinder is provided with an arc guide ring II.
The invention further discloses that a plurality of skirt edges are arranged on the outer surface of the lightning arrester main body. This arrester structure increases the shirt rim outward, strengthens creepage distance, avoids electric arc creeping discharge along the surface.
The invention further discloses that the wall electrode adopts an electrode plate or a compression arc extinguishing tube or a recoil tube.
The invention further discloses that an arc guide ball is arranged in the compression arc extinguishing tube.
The opening of the airflow spout extending to the outer side is inclined downwards.
The invention further discloses that the lightning receptor and the arc guiding ring I are made of metal or nonmetal materials with strong conductivity, such as copper, aluminum, tungsten, nickel, iron, graphite and the like; the recoil pipe is made of a high-strength and strong-pressure-resistant non-conductive metal material, such as alloy ceramics, rare earth ceramics, graphene-ceramic composite materials, organic ceramics and other non-conductive materials.
The invention further discloses that the lower electrode and the arc guiding ring II are made of metal or nonmetal materials with strong conductivity, such as copper, aluminum, tungsten, nickel, iron, graphite and the like; the injection cylinder is made of a high-strength and strong-pressure-resistant non-conductive metal material, such as alloy ceramics, rare earth ceramics, graphene-ceramic composite materials, organic ceramics and other non-conductive materials.
The principle of the invention is as follows:
the device is installed at the insulator both ends in parallel, according to the national standard, when the size of the device is that clearance length satisfies the insulation fit, the lightning-resistant level of the device is less than the insulator, therefore when the thunder and lightning overvoltage invades the insulator, will pass through the device protection insulator earlier.
Lightning overvoltage generated when a tower or a lightning conductor is struck by lightning preferentially breaks through the parallel channel to protect the insulator string, so that lightning current passes through the insulator flashover low-voltage end, and the lightning current passes through the upper electrode of the device which is connected with the low-voltage side of the insulator in parallel. Electric arc can get into this device left side arc-extinguishing intracavity portion through last electrode traction, and the electric arc that gets into the arc-extinguishing intracavity in left side can receive recoil device inside to cut and cut dual function with the outside for most electric arc extinguishes. The rest electric arcs enter the right-side arc extinguishing cavity along the wall electrode, an arc guide ring II is arranged at the opening of an injection cylinder of the air injection device in the right-side arc extinguishing cavity, the rest electric arcs enter the air injection generating device in the right-side arc extinguishing cavity under the action of the arc guide ring II and the wall electrode, the circulating arc current triggers an induction power supply of the gas generator to generate induction current, the induction current triggers arc extinguishing gas pills to act, high-speed high-pressure gas acts on the electric arcs, the rest electric arcs are blown off, and the electric arcs cannot be re-ignited.
When lightning strike is generated on a transmission line or a circuit, induced lightning overvoltage is generated, so that lightning strike current passes through the insulator flashover high-voltage end, the formed electric arc can be drawn into the right arc extinguishing cavity of the device through the lower electrode connected with the high-voltage end, the induced current flowing in the lower electrode triggers the induction power supply of the gas generator to generate induced current, the induced current can trigger arc extinguishing gas pills to act, high-speed high-voltage gas is generated to act on the electric arc, most of the electric arc is directly blown off, and the electric arc cannot be re-ignited. The rest electric arcs enter the left arc extinguishing chamber from the wall electrode, an arc guide ring is arranged at the position of an opening of a recoil pipe of the recoil device in the left arc extinguishing chamber, and the electric arcs entering the recoil device can be subjected to double effects of internal truncation and external truncation of the recoil device under the action of the arc guide ring and the wall electrode, so that the electric arcs are truncated.
When an electric arc enters the backflushing device from the arc guide ring, the electric arc is limited by the wall of the backflushing pipe because the electric arc is elastically deformed plasma, when the electric arc enters the initial end of the backflushing pipe, the density, the speed and the temperature are increased, so that the pressure in the pipe is increased, a pressure explosion effect is finally generated, the electric arc impacts a lightning receptor at the bottom of the backflushing pipe, the electric arc is subjected to reverse elasticity at the bottom of the blocked backflushing pipe, and the advancing direction of most of the electric arc is changed by 180 degrees. The recoil arc is higher in speed, density and pressure, and the cavity effect acts on the outer arc at the inlet, so that the arc at the port of the recoil pipe is cut off.
When electric arc gets into the recoil pipeline from the arrester, because the recoil pipe is very thin, thick thunder and lightning electric arc can be deformed into elongated electric arc when getting into the recoil pipe, is full of whole pipeline, and at this in-process, the air is because of the influence of electric arc temperature rising down for the air expansion in the pipeline finally forms the pressure and explodes the effect because of the production effort, blocks passing through of follow-up electric arc, produces the cutting to electric arc.
The invention has the following beneficial effects:
1. the jet gas flow device can effectively extinguish the electric arc aiming at different electric arc directions.
2. The recoil principle of the recoil device can double the arc extinguishing capability.
3. The high air pressure generated in the arc extinguishing chamber containing the air jet device can accelerate the medium to recover the strength, so that the electric arc is extinguished more quickly.
4. The wall electrode at the center of the insulating partition can effectively disperse the energy of the electric arc, so that the electric arc is easier to extinguish.
5. The application range is wide, and the influence of the arrangement of the conducting wires, the tower type of the tower and the polar effect is avoided.
6. The electric arc is extinguished in the impact arc extinguishing section and destroys the power frequency arc establishing channel, and the relay protection device is ensured not to be noticed.
7. The device is installed once, can be repeatedly used for a long time, only needs to replace the air jet device and the backflushing device regularly, and has low operation cost.
8. The problem of insulator flashover is effectively prevented, the lightning trip-out rate of the power equipment is reduced, the power facilities are protected, the reliability of a power grid is improved, and the safety production of power is facilitated.
9. Compared with multi-chamber series products, the invention has the following advantages:
(1) and (5) the durability is compared. The gas production material added into the multi-cavity needs to be baked at high temperature to produce gas, so that the gas production material in the multi-cavity arc extinguishing device is consumed in a high-temperature environment, and the durability of the multi-cavity is poor; the pouring recoil material and the material of the injection device adopted by the invention do not have consumption factors, arc extinction is not needed through a gas generation mechanism, and the durability is better.
(2) And (5) arc extinguishing effect comparison. When electric arcs pass through every two adjacent electrodes in the multi-cavity chamber, a condensation polar effect is generated, namely the temperature of the electric arcs under the adjacent electrodes is low, gas production effect is poor due to baking of gas production materials by low-temperature electric arcs, and arc extinguishing effect is poor due to contradiction between the condensation polar effect and arc extinguishing formed by baking of gas production at high temperature; the invention adopts a narrow tube filling mechanism and a mechanism of blowing off the arc by utilizing gas generated by gas pill explosion, the arc collision generates huge arc extinguishing energy, the self energy of the arc and the collision arc extinguishing are utilized, and the arc extinguishing gas medium is quickly recovered, so that the reignition of the arc can be effectively prevented, and the arc extinguishing effect is excellent.
(3) And (5) comparing arc extinguishing sensitivity. According to the durability and the arc extinguishing effect, as the durability of the multi-cavity is influenced by high temperature, the generated gas is influenced by the electrode condensation pole effect, namely the low-temperature arc baking capability is extremely low, the contradiction between the condensation pole effect and the high-temperature baked generated gas forming arc extinguishing is formed, the arc extinguishing effect is poor when a small arc passes through, the multi-cavity can only act correctly when a larger arc passes through the multi-cavity, and the relay protection action is caused by the circulation of the large arc, namely, a trip accident exists, so the arc extinguishing sensitivity of the multi-cavity is not ideal; the invention can generate a perfusion mechanism and a gas-pill explosion gas-generating arc-extinguishing mechanism only by the electric arc entering the invention no matter the large electric arc or the small electric arc exists, and the sensitivity is higher.
(4) And comparing the operation modes. According to the sensitivity analysis, the action of the multi-cavity is influenced by external factors such as a system operation mode, short-circuit current and the like, and an arc extinguishing blind area exists, so that the multi-cavity lightning protection matching is very difficult; the invention has no influence of external factors such as system operation mode, short-circuit current and the like.
Drawings
Fig. 1 is a schematic structural view of a lightning arrester installation mode according to the present invention;
fig. 2 is a schematic view of an internal structure of a lightning arrester according to an embodiment of the invention;
FIG. 3 is a schematic view of the recoil assembly of the present invention;
FIG. 4 is a schematic view of the structure of the jet stream device of the present invention;
fig. 5 is a schematic view of an internal structure of a lightning arrester according to still another embodiment of the invention;
fig. 6 is a schematic view of an internal structure of a lightning arrester according to still another embodiment of the invention;
wherein, each icon and the corresponding part name are as follows:
the lightning arrester comprises a lightning arrester body, an upper electrode 2, a lower electrode 3, a recoil device 4, an air jet device 5, a wall electrode 6, an insulating partition plate 7, a skirt edge 8, an air jet nozzle 9, an arc extinguishing chamber 10, a recoil pipe 41, a lightning arrester 42, an arc guiding ring I411, an air jet generating device 51, an air jet cylinder 52 and an arc guiding ring II 521.
Detailed Description
The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings.
Example 1:
as shown in fig. 2-4, the air gap-free semi-closed recoil comprehensive arc-extinguishing arrester comprises an arrester main body 1; the upper end and the lower end of the lightning arrester main body 1 are respectively installed at the two ends of the insulator string through connecting hardware fittings to form reliable electric connection; the interior of the lightning arrester main body 1 is hollow, and an insulating partition plate 7 is arranged along the longitudinal direction of the lightning arrester main body 1, so that two independent arc extinguishing chambers 10 are formed in the lightning arrester main body 1; a backflushing device 4 is arranged inside the upper end of the arc extinguishing chamber on the left side, and a backflushing opening is arranged at the lower end of the arc extinguishing chamber; the top end of the recoil device 4 is provided with an upper electrode 2; an air jet device 5 is arranged in the lower end of the right arc extinguishing chamber, and an air jet 9 extending to the outer side surface is arranged at the upper end of the arc extinguishing chamber; the bottom of the air jet device 5 is provided with a lower electrode 3; and the insulating partition plate 7 is provided with a wall electrode 6.
The backflushing device 4 mainly comprises a backflushing pipe 41 and a lightning receptor 42; one end of the recoil pipe 41 is open, and the other end is fixedly provided with the lightning receptor 42, so that the recoil device 4 becomes a semi-closed pipe fitting with a hollow interior, an open end and a closed end; the lightning receptor 42 is electrically connected to the upper electrode 2.
The jet air flow device 5 mainly comprises a jet air flow generating device 51 and a jet cylinder 52; the interior of the spray cylinder 52 is hollow, one end of the spray cylinder 52 is open, the other end is fixedly arranged on the spray airflow generating device 51, and the bottom of the spray airflow generating device 51 is electrically connected with the lower electrode 3.
The wall electrode 6 is an electrode plate.
Example 2:
as shown in fig. 5, the present embodiment is different from embodiment 1 in that: an opening of the backflushing pipe 41 is provided with an arc guiding ring I411; an opening of the injection cylinder 52 is provided with an arc guiding ring II 521. The wall electrode 6 adopts a compression arc-extinguishing tube, and an arc-guiding ball is arranged in the compression arc-extinguishing tube
Example 3:
as shown in fig. 6, the present embodiment is different from embodiment 2 in that: the wall electrode 6 adopts a back flushing pipe. The recoil pipe is a semi-closed pipe body with one end open and the other end provided with a lightning receiving electrode. The outer surface of the lightning arrester main body 1 is provided with a plurality of skirt borders 8.
Example 4:
this example differs from example 2 in that: the opening of the air flow spout 9 extending to the outside is inclined downward.
In practical application, as shown in fig. 1, the device is installed at two ends of an insulator in parallel and serves as a parallel device with an arc extinguishing function, wherein the upper end of the lightning arrester main body can be connected with the low-voltage end of the insulator through a metal connecting fitting, and the lower end of the lightning arrester main body can be connected with the high-voltage end of the insulator through the metal connecting fitting.
When lightning strikes on a tower or a lightning conductor of a power transmission line, lightning current at the low-voltage end of the lightning arrester is caused to start to pass through the low-voltage electrode, when the arc-extinguishing lightning arrester is used, the arc-extinguishing lightning arrester is installed at two ends of an insulator in parallel, the low-voltage end of the insulator is electrically connected with an upper electrode connected with a recoil device and the insulator string at one side of the low-voltage end; and the lower electrode of the arc-extinguishing lightning arrester is electrically connected with the high-voltage end of the insulator, and lightning overvoltage generated when a tower or a lightning conductor is struck by lightning preferentially punctures the parallel channel to protect the insulator string through insulation fit, so that lightning current passes through the low-voltage end of the insulator flashover, and the lightning current passes through the upper electrode of the device which is connected with the low-voltage side of the insulator in parallel. Electric arc can get into this device left side arc-extinguishing intracavity portion through last electrode traction, and the electric arc that gets into the arc-extinguishing intracavity in left side can receive recoil device inside to cut and cut dual function with the outside for most electric arc extinguishes. The rest electric arcs enter the right-side arc extinguishing cavity along the wall electrode, an arc guide ring II is arranged at the opening of an injection cylinder of the air injection device in the right-side arc extinguishing cavity, the rest electric arcs enter the air injection generating device in the right-side arc extinguishing cavity under the action of the arc guide ring II and the wall electrode, the circulating arc current triggers an induction power supply of the gas generator to generate induction current, the induction current triggers arc extinguishing gas pills to act, high-speed high-pressure gas acts on the electric arcs, the rest electric arcs are blown off, and the electric arcs cannot be re-ignited.
When lightning strikes on the power transmission line or the circuit to generate induced lightning overvoltage, lightning strike current starts to pass through the insulator flashover high-voltage end. When in use, the arc extinguishing lightning protection device is connected with two ends of the insulator in parallel; this arc extinguishing lightning protection device upper electrode links to each other with the insulator chain electricity of low-voltage end one side, the bottom electrode links to each other with insulator high-voltage end electricity, through insulating cooperation, the thunderbolt overvoltage that produces when thunderbolt shaft tower or lightning conductor breaks down parallel channel protection insulator chain in priority, the electric arc that forms can draw the entering device right side arc extinguishing intracavity through the bottom electrode that this device links to each other with the high-voltage end, the current trigger gas generator's of lower electrode internal circulation induction power can produce an induced-current, the induced-current will trigger the arc extinguishing gas ball action, produce high-speed high-pressure gas and act on the electric arc, most electric arc is blown off and the unable reignition. The rest electric arcs enter the left arc extinguishing chamber from the wall electrode, an arc guide ring is arranged at the position of an opening of a recoil pipe of the recoil device in the left arc extinguishing chamber, and the electric arcs entering the recoil device can be subjected to double effects of internal truncation and external truncation of the recoil device under the action of the arc guide ring and the wall electrode, so that the electric arcs are truncated.
In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A semi-closed recoil comprehensive arc extinguishing arrester without an air gap comprises an arrester main body (1); the upper end and the lower end of the lightning arrester main body (1) are respectively installed at the two ends of the insulator string through connecting hardware fittings to form reliable electric connection; the method is characterized in that: the interior of the lightning arrester main body (1) is hollow, and an insulating partition plate (7) is longitudinally arranged along the lightning arrester main body (1) so that two independent arc extinguishing cavities (10) are formed in the lightning arrester main body (1); a recoil device (4) is arranged inside the upper end of the arc extinguishing chamber on the left side, and a recoil opening is arranged at the lower end of the arc extinguishing chamber; the top end of the recoil device (4) is provided with an upper electrode (2); an air jet device (5) is arranged in the lower end of the right arc extinguishing chamber, and an air jet (9) extending to the outer side surface is arranged at the upper end of the arc extinguishing chamber; the bottom of the air jet device (5) is provided with a lower electrode (3); and the insulating partition plate (7) is provided with a wall electrode (6).
2. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 1, characterized in that: the backflushing device (4) mainly comprises a backflushing pipe (41) and a lightning receptor (42); one end of the recoil pipe (41) is opened, and the other end of the recoil pipe is fixedly provided with the lightning receptor (42), so that the recoil device (4) becomes a semi-closed pipe fitting which is hollow inside and is opened at one end and closed at the other end; the lightning receptor (42) is electrically connected with the upper electrode (2).
3. The air gap-free semi-enclosed recoil arc-extinguishing arrester of claim 2, wherein: an opening of the backflushing pipe (41) is provided with an arc guiding ring I (411).
4. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 1, characterized in that: the jet air flow device (5) mainly comprises a jet air flow generating device (51) and a jet cylinder (52); the inner part of the jet cylinder (52) is hollow, one end of the jet cylinder (52) is opened, the other end of the jet cylinder is fixedly arranged on a jet air flow generating device (51), and the bottom of the jet air flow generating device (51) is electrically connected with the lower electrode (3).
5. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 4, characterized in that: an opening of the injection cylinder (52) is provided with an arc guiding ring II (521).
6. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 1, characterized in that: the outer surface of the lightning arrester main body (1) is provided with a plurality of skirt edges (8).
7. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 1, characterized in that: the wall electrode (6) adopts an electrode plate or a compression arc extinguishing tube or a recoil tube.
8. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 7, characterized in that: the inside of compression arc-extinguishing pipe be equipped with the arc guide ball.
9. The air gap-free semi-enclosed recoil type integrated arc extinguishing arrester according to claim 1, characterized in that: the opening of the air flow nozzle (9) extending to the outer side is inclined downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910305809.8A CN111834900A (en) | 2019-04-16 | 2019-04-16 | Semi-closed recoil comprehensive arc extinguishing lightning arrester without air gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910305809.8A CN111834900A (en) | 2019-04-16 | 2019-04-16 | Semi-closed recoil comprehensive arc extinguishing lightning arrester without air gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111834900A true CN111834900A (en) | 2020-10-27 |
Family
ID=72914598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910305809.8A Pending CN111834900A (en) | 2019-04-16 | 2019-04-16 | Semi-closed recoil comprehensive arc extinguishing lightning arrester without air gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111834900A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206456A (en) * | 2021-04-23 | 2021-08-03 | 广西雷闪电气科技有限公司 | Liquid recoil opposite-blowing arc-extinguishing device and method |
-
2019
- 2019-04-16 CN CN201910305809.8A patent/CN111834900A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206456A (en) * | 2021-04-23 | 2021-08-03 | 广西雷闪电气科技有限公司 | Liquid recoil opposite-blowing arc-extinguishing device and method |
| CN113206456B (en) * | 2021-04-23 | 2023-11-24 | 广西雷闪电气科技有限公司 | Liquid backflushing opposite-blowing arc extinguishing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015070517A1 (en) | Multi-gap self-inflating strong-airflow protective device for lightning protection by longitudinal-blast arc extinguishing | |
| CN107732663B (en) | Coulomb force traction ball-type compressed jet airflow arc extinguishing device and ball-type arcing horn | |
| CN111834900A (en) | Semi-closed recoil comprehensive arc extinguishing lightning arrester without air gap | |
| CN209766141U (en) | Semi-closed double-recoil arc-extinguishing lightning protection device | |
| CN111834068A (en) | Semi-closed recoil comprehensive arc extinguishing lightning arrester | |
| CN210326484U (en) | Semi-closed double-recoil arc extinguishing lightning protection device without air gap | |
| CN209766142U (en) | Semi-closed double-jet airflow arc extinguishing lightning protection device | |
| CN209766140U (en) | Semi-closed double-jet airflow arc extinguishing lightning protection device without air gap | |
| CN204360853U (en) | The insulator string that a kind of anti-graphite bomb destroys | |
| CN111834070A (en) | Semi-closed type backflushing comprehensive arc extinguishing insulator | |
| CN210326483U (en) | Novel trapezoidal arc extinguishing lightning protection device | |
| CN210467450U (en) | Novel trapezoidal bipolar arc extinguishing lightning protection device | |
| CN203826144U (en) | Multi-gap self-expanding strong-airflow longitudinal-blowing arc-extinguishing lightning protection device | |
| CN209658599U (en) | A kind of comprehensive arc extinguishing arrester of the semi-enclosed recoil of no the air gap | |
| CN111834064B (en) | Semi-closed double-recoil arc-extinguishing lightning protection device and application thereof | |
| CN111834065A (en) | Semi-closed double-jet airflow arc extinguishing lightning protection device without air gap and application thereof | |
| CN210326482U (en) | Trapezoidal arc extinguishing lightning protection device without air gap | |
| CN210167181U (en) | Trapezoidal bipolar arc extinguishing lightning protection device without air gap | |
| CN209657921U (en) | A kind of comprehensive arc extinguishing arrester of semi-enclosed recoil | |
| CN111834904B (en) | Semi-closed double-recoil arc-extinguishing lightning protection device without air gap and application thereof | |
| CN111834895A (en) | Novel trapezoidal arc extinguishing lightning protection device | |
| CN111834893A (en) | Double-recoil compression combined arc extinguishing lightning protection device | |
| CN111834061A (en) | Novel trapezoidal bipolar arc extinguishing lightning protection device | |
| CN210575306U (en) | Novel trapezoidal double-pole arc extinguishing insulator | |
| CN111834898A (en) | Trapezoidal arc extinguishing lightning protection device without air gap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |