CN208580951U - The spare lateral spray type arc extinguishing lightning protection device of double plate - Google Patents
The spare lateral spray type arc extinguishing lightning protection device of double plate Download PDFInfo
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- CN208580951U CN208580951U CN201821264908.3U CN201821264908U CN208580951U CN 208580951 U CN208580951 U CN 208580951U CN 201821264908 U CN201821264908 U CN 201821264908U CN 208580951 U CN208580951 U CN 208580951U
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- arc extinguishing
- gas ball
- disk
- detent
- mounting groove
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Abstract
The utility model discloses a kind of spare lateral spray type arc extinguishing lightning protection devices of double plate, including spherical storage magazine and cylindricality arc extinguishing cylinder；Left arc extinguishing disk, right arc extinguishing disk, arc ignition bar, induction coil, central axis and spill detent stick are equipped with inside spherical shape storage magazine；Left arc extinguishing disk, right arc extinguishing disk are radially respectively equipped with several gas ball mounting grooves, and edge is axially arranged with the detent item to match with gas ball mounting groove；The interlaced setting of gas ball mounting groove of the gas ball mounting groove of left arc extinguishing disk and right arc extinguishing disk.The utility model has the advantages of simple structure, design is reasonable, arc extinguishing ability is strong, stable and reliable in work；The alternate retaining structure in left and right is devised, can not only guarantee that entire rotating mechanism can reliably rotate and reliably stop, it is also ensured that the trigger electrode of arc extinguishing gas ball and the induction coil of lightning protection device are smoothly formed into a loop, reliable to trigger；And the switch speed between arc extinguishing gas ball significantly improves, and more effectively resists the Return stroke of additivity lightning stroke Millisecond.
Description
Technical field
The utility model belongs to lightning protection arc-control device technical field, and in particular to a kind of double plate spare lateral spray type arc extinguishing is anti-
Thunder device.
Background technique
Transmission line of electricity lightning protection always is the important content of power department Thunder Protection, and lightning fault is still influence power grid
One of the key factor of safety.Transmission line of electricity is struck by lightning, and route is caused to be become attached to sub- flashover, the power frequency continued flow damage risen therewith
Insulator chain and fitting cause insulator chain to burn and blow conducting wire accident, and the prevention for being superimposed thunder is particularly acute.Traditional
" obstructive type " lightning protection mode, transformation pole tower ground resistance set up coupling ground wire and lightning conducter, installation leakage conductor etc.,
Due to its limitation, the lightning strike accident of part can only be solved.In recent years, in order to further increase the reliability that transmission line of electricity is powered,
Power department prevents lightning strike accident using portable protective gaps in parallel are installed additional in transmission line of electricity.However in actual motion, parallel connection protection
Gap has the obvious disadvantage that as follows:
Firstly, portable protective gaps in parallel are mounted on insulator chain both ends, it is the method by shortening insulator chain creepage distance
Play the role of preferential insulator chain breakdown when lightning stroke.Insulator chain creepage distance is shorted, and does not only result in electric system transmission of electricity
Integrally resistance to thunder level decline increases tripping rate with lightning strike to route, also results in power frequency dielectric level when electric system operates normally
Decline, it is invisible between improve portable protective gaps in parallel under temporary overvoltage and switching overvoltage miss breakdown probability.
Secondly, when transmission line of electricity meet be struck by lightning when, portable protective gaps in parallel preferentially because lightning stroke caused by overvoltage due to puncture, will
Lightning current leaks into the earth, to play the role of protecting transmission line of electricity and electrical equipment.However since portable protective gaps in parallel do not have
Arc extinguishing ability, cannot extinguish caused power frequency continued flow after insulator chain flashover, and electric arc long-time calcination between portable protective gaps will make
It is damaged at insulator chain, when serious, may cause transmission line of electricity broken string, while electric arc can cause ablation to electrode and reduce its guarantor
Protect performance.Finally extinguish electric arc by breaker to realize protection transmission line of electricity and equipment, is to sacrifice " trip-out rate " and " power supply
Reliability " exchanges the way of " low accident rate " for.
In addition more and more deep to the research of additivity lightning stroke in recent years, superposition thunder refers to the system of repetition thunder and Return stroke
Claim, including additivity counterattack and additivity counterattack.According to 1997 U.S. Department of Defense's issuing standard " MIL-STD-464 " assert it
Outness has simultaneously monitored that adjacent thunder or counterattack are delicate or Millisecond in time interval.Statistics shows to be superimposed
Lightning strike probability 75% constitutes Great possibility.The method for still effectively solving superposition thunder at present under so high-incidence probability, and
All arrester correlation national standards in China, professional standard, not to the preventive means and technical measures for superposition thunder in patent, because
Protection blank caused by the theoretical missing of this protection, which makes the superposition thunder of maximum probability become lightning stroke, leads to the first cause of tripping.
Utility model content
The purpose of this utility model is that be directed to the deficiencies in the prior art, provide that a kind of structure is simple, design
Rationally, arc extinguishing ability is strong, fast and easily the spare lateral spray type arc extinguishing lightning protection of double plate fills stable and reliable in work, replacement arc extinguishing gas ball
It sets.The device is set there are two disk, and double copies, arc extinguishing gas ball is more, and speed of its switching is faster, is directed to additivity thunder
It hits more efficient.
To achieve the goals above, the utility model uses following technical scheme:
A kind of spare lateral spray type arc extinguishing lightning protection device of double plate, is fixedly mounted on cross-arm or insulator chain by connection gold utensil
One end；Wherein: including spherical shape storage magazine and cylindricality arc extinguishing cylinder；The spherical storage magazine inner hollow and bottom is equipped with gas
Ball trigger bit installs cylindricality arc extinguishing cylinder in the lower section of gas ball trigger bit；Left arc extinguishing disk, the right side are equipped with inside the spherical storage magazine
Arc extinguishing disk, arc ignition bar, induction coil, central axis and spill detent stick；The central axis is fixedly mounted on spherical storage magazine
Center；At the gas ball trigger bit of the spill detent stick installation, and spill detent stick one end is on a left side for left arc extinguishing disk
Side, the other end is on the right side of right arc extinguishing disk；The left arc extinguishing disk, right arc extinguishing disk are installed on center shaft by scroll spring,
And left arc extinguishing disk, right arc extinguishing disk are radially respectively equipped with several gas ball mounting grooves, and edge is axially arranged with and gas ball mounting groove phase
Matched detent item；One end of the detent item is protruded into gas ball mounting groove and is fixedly mounted, and the other end of detent item extends
Left arc extinguishing disk or right arc extinguishing disk, and when corresponding gas ball mounting groove is in gas ball trigger bit, it is blocked by spill detent stick；
The interlaced setting of gas ball mounting groove of the gas ball mounting groove and right arc extinguishing disk of the left arc extinguishing disk；It goes out in left arc extinguishing disk with the right side
The contact surface of arc disk is equipped with conductive metal sheet；Or it is equipped with inside left arc extinguishing disk, right arc extinguishing disk along gas ball installation groove bottom
One circle conductive metal sheet；Arc extinguishing gas ball, and one of trigger electrode of arc extinguishing gas ball are installed in the gas ball mounting groove
It directly connects with conductive metal sheet or is connected by conducting wire, another trigger electrode is directly connected with detent item
Or it is connected by conducting wire；The arc ignition bar upper end is connected with external connection gold utensil by conducting wire or is directly stretched out
It is connected after at the top of spherical shape storage magazine with external connection gold utensil, lower end passes through induction coil and extends in cylindricality arc extinguishing cylinder；Institute
The one end for the induction coil stated is connect with conductive metal sheet, and the other end is connect with spill detent stick.
The trigger circuit of arc extinguishing gas ball: one end → conductive metal sheet of induction coil → arc extinguishing gas ball → detent item → spill
Detent stick → induction coil other end.Induction coil is passed through by arc ignition bar, when just flashover is rising in electric arc for the air gap
The primary current change rate that point arc ignition bar passes through is maximum, and the secondary current that the induced voltage maximum of induction coil generates is maximum, foot
To trigger arc extinguishing gas ball, which achieves 3 electric arc starting points, secondary current starting point and air-flow arc extinguishing starting point while property, reach
To make strong arc quenching effect fastly, it can quickly extinguish electric arc in electric arc ignition moment.
When the arc extinguishing gas ball of left arc extinguishing disk is in gas ball trigger bit, the tail portion of corresponding detent item is by spill detent stick
It blocks, until arc extinguishing gas ball is triggered, generates air blast after the triggering of arc extinguishing gas ball, make in detent item along gas ball mounting groove or arc
Connected in star bending, the tail portion of detent item are retracted left arc extinguishing disk and allow left arc extinguishing disk and right arc extinguishing disk in whirlpool to successfully dislocate
It is rotated under the action of coil spring, the arc extinguishing gas ball of right arc extinguishing disk preferentially enters gas ball trigger bit, and the detent item to match therewith is again
Blocked by groove detent stick, i.e., left arc extinguishing disk, right arc extinguishing disk arc extinguishing gas ball successively alternately enter gas ball trigger bit.
It is further illustrated as the utility model, is additionally provided with arc on the side wall for the gas ball mounting groove being in contact with detent item
Connected in star.
Further illustrate that the arc ignition bar, induction coil, spill detent stick and detent item are adopted as the utility model
It is made of conductive metal material.
Working principle of the utility model is:
The lightning protection device and insulator of the utility model are installed in parallel on shaft tower, according to Insulation Coordination principle, are preferentially hit
Wear shorter gap, that is, lightning protection device, when gap breakdown triggers arc extinguishing gas ball, ejects a large amount of electricity in a very short period of time
Negativity gas, rapidly by arc extinction.If the right of disk is first contacted with retaining structure, since gas ball and detent item all interlock
Arrangement, half of detent item of facing left cannot be with spill detent stick joint, and after the triggering of right side gas ball, detent retraction, disk turns
It is dynamic, it changes left side detent item into and is contacted with spill detent stick, successively replaced.
It is that the utility model has the utility model has the advantages that
1. the utility model has the advantages of simple structure, design is reasonable, arc extinguishing ability is strong, stable and reliable in work；Left and right is devised to hand over
The retaining structure replaced can not only guarantee that entire rotating mechanism can reliably rotate and reliably stop, it is also ensured that arc extinguishing gas
The trigger electrode of ball and the induction coil of lightning protection device are smoothly formed into a loop, reliable to trigger；And the switching between arc extinguishing gas ball
Speed significantly improves, and more effectively resists the Return stroke of additivity lightning stroke Millisecond.
2. the arc extinguishing gas ball quantity of the utility model is double, improves and defend lightning stroke situation closeer, faster, more complicated；If
The standby application non-maintaining period is longer, and serious forgiveness is lower；There is no other to contact between gas ball disk and crust of the device, no friction, spring
Very big power is not needed, and it is more smooth to change bullet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Fig. 2 is the schematic diagram that an embodiment of the present invention is mounted on insulator chain one end.
Appended drawing reference: 1- spherical shape stores up magazine, 2- cylindricality arc extinguishing cylinder, the right arc extinguishing disk of 3-, the left arc extinguishing disk of 4-, the installation of 5- gas ball
Slot, 6- detent item, 7- induction coil, 8- arc ignition bar, 9- central axis, 10- spill detent stick.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 1, a kind of spare lateral spray type arc extinguishing lightning protection device of double plate, is fixedly mounted on cross-arm by connection gold utensil
Or one end of insulator chain；Wherein: including spherical shape storage magazine 1 and cylindricality arc extinguishing cylinder 2；Spherical storage 1 inner hollow of magazine
And bottom is equipped with gas ball trigger bit, installs cylindricality arc extinguishing cylinder 2 in the lower section of gas ball trigger bit；In the spherical storage magazine 1
Portion is equipped with left arc extinguishing disk 4, right arc extinguishing disk 3, arc ignition bar 8, induction coil 7, central axis 9 and spill detent stick 10；The center
Axis 9 is fixedly mounted on the center of spherical storage magazine 1；At the gas ball trigger bit that the spill detent stick 10 is installed, and
10 one end of spill detent stick is in the left side of left arc extinguishing disk 4, and the other end is on the right side of right arc extinguishing disk 3；It is the left arc extinguishing disk 4, right
Arc extinguishing disk 3 is installed on center shaft by scroll spring, and left arc extinguishing disk 4, right arc extinguishing disk 3 are radially respectively equipped with several
Gas ball mounting groove 5 is correspondingly arranged one along the detent 6(i.e. gas ball mounting groove to match with gas ball mounting groove is axially arranged with
Root detent item)；One end of the detent item 6 is protruded into gas ball mounting groove and is fixedly mounted, and the other end of detent item 6 extends a left side
Arc extinguishing disk 4 or right arc extinguishing disk 3, and when corresponding gas ball mounting groove is in gas ball trigger bit, blocked by spill detent stick 10
Firmly；The interlaced setting of gas ball mounting groove of the gas ball mounting groove and right arc extinguishing disk 3 of the left arc extinguishing disk 4；In left arc extinguishing disk 4
Conductive metal sheet is equipped with the contact surface of right arc extinguishing disk 3；Arc extinguishing gas ball, and arc extinguishing gas ball are installed in the gas ball mounting groove
One of trigger electrode be connected with conductive metal sheet by conducting wire, another trigger electrode and the detent item directly company of contact
It connects；8 upper end of arc ignition bar is connected with external connection gold utensil by conducting wire or is directly stretched out at the top of spherical storage magazine
It is connected afterwards with external connection gold utensil, lower end passes through induction coil 7 and extends in cylindricality arc extinguishing cylinder 2；The induction coil 7
One end connect with conductive metal sheet, the other end is connect with spill detent stick 10.The arc ignition bar 8, induction coil 7, spill
Detent stick 10 and detent item 6 are all made of conductive metal material and are made.
Embodiment 2:
The present embodiment and the difference of embodiment 1 are only that: along gas ball mounting groove inside left arc extinguishing disk 4, right arc extinguishing disk 3
Bottom surface is equipped with a circle conductive metal sheet；One of trigger electrode of arc extinguishing gas ball is directly connected with conductive metal sheet, separately
One trigger electrode is connected with detent item by conducting wire.
Embodiment 3:
The present embodiment is only that with the difference of embodiment 2: on the side wall for the gas ball mounting groove being in contact with detent item also
Equipped with arc groove.
Embodiment 4:
The present embodiment is only that with the difference of embodiment 1: on the side wall for the gas ball mounting groove being in contact with detent item also
Equipped with arc groove.
Claims (3)
1. a kind of spare lateral spray type arc extinguishing lightning protection device of double plate, it is fixedly mounted on cross-arm by connection gold utensil or insulator chain
One end；It is characterized by comprising spherical shape storage magazine (1) and cylindricality arc extinguishing cylinders (2)；Described spherical storage magazine (1) inner hollow
And bottom is equipped with gas ball trigger bit, installs cylindricality arc extinguishing cylinder (2) in the lower section of gas ball trigger bit；The spherical storage magazine
(1) internal to be equipped with left arc extinguishing disk (4), right arc extinguishing disk (3), arc ignition bar (8), induction coil (7), central axis (9) and spill detent
Stick (10)；
The central axis (9) is fixedly mounted on the center of spherical storage magazine (1)；Spill detent stick (10) installation
Gas ball trigger bit at, and spill detent stick (10) one end, in the left side of left arc extinguishing disk (4), the other end is in right arc extinguishing disk (3)
Right side；
The left arc extinguishing disk (4), right arc extinguishing disk (3) are installed on center shaft by scroll spring, and left arc extinguishing disk (4),
Right arc extinguishing disk (3) is radially respectively equipped with several gas ball mounting grooves (5), and edge is axially arranged with the card to match with gas ball mounting groove
Position item (6)；One end of the detent item (6) is protruded into gas ball mounting groove and is fixedly mounted, and the other end of detent item (6) extends
Left arc extinguishing disk (4) or right arc extinguishing disk (3), and when corresponding gas ball mounting groove is in gas ball trigger bit, by spill detent
Stick (10) blocks；The gas ball mounting groove of the left arc extinguishing disk (4) and the gas ball mounting groove of right arc extinguishing disk (3) is interlaced sets
It sets；
Conductive metal sheet is equipped in the contact surface of left arc extinguishing disk (4) and right arc extinguishing disk (3)；Or in left arc extinguishing disk (4), right arc extinguishing
Disk (3) is internal to be equipped with a circle conductive metal sheet along gas ball installation groove bottom；
Arc extinguishing gas ball, and the one of trigger electrode and conductive metal sheet of arc extinguishing gas ball are installed in the gas ball mounting groove
It directly connects and another trigger electrode is perhaps connected by conducting wire and detent item directly connects or pass through conducting wire
It is connected；
Arc ignition bar (8) upper end is connected by conducting wire with external connection gold utensil or is directly stretched out spherical storage magazine top
It is connected behind portion with external connection gold utensil, lower end passes through induction coil (7) and extends in cylindricality arc extinguishing cylinder (2)；
One end of the induction coil (7) is connect with conductive metal sheet, and the other end is connect with spill detent stick (10).
2. the spare lateral spray type arc extinguishing lightning protection device of double plate according to claim 1, it is characterised in that: connect with detent item
Arc groove is additionally provided on the side wall of the gas ball mounting groove of touching.
3. the spare lateral spray type arc extinguishing lightning protection device of double plate according to claim 1, it is characterised in that: the arc ignition bar
(8), induction coil (7), spill detent stick (10) and detent item (6) are all made of conductive metal material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264908.3U CN208580951U (en) | 2018-08-07 | 2018-08-07 | The spare lateral spray type arc extinguishing lightning protection device of double plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264908.3U CN208580951U (en) | 2018-08-07 | 2018-08-07 | The spare lateral spray type arc extinguishing lightning protection device of double plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580951U true CN208580951U (en) | 2019-03-05 |
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ID=65511649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821264908.3U Active CN208580951U (en) | 2018-08-07 | 2018-08-07 | The spare lateral spray type arc extinguishing lightning protection device of double plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208580951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834063A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-jet airflow arc extinguishing lightning protection device and application thereof |
| CN112117655A (en) * | 2019-06-20 | 2020-12-22 | 段小嬿 | Telescopic arc extinguishing assembly switching method utilizing recoil force |
-
2018
- 2018-08-07 CN CN201821264908.3U patent/CN208580951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834063A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-jet airflow arc extinguishing lightning protection device and application thereof |
| CN112117655A (en) * | 2019-06-20 | 2020-12-22 | 段小嬿 | Telescopic arc extinguishing assembly switching method utilizing recoil force |
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