CN104184047A - Parallel gap lightning protection device - Google Patents
Parallel gap lightning protection device Download PDFInfo
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- CN104184047A CN104184047A CN201410460362.9A CN201410460362A CN104184047A CN 104184047 A CN104184047 A CN 104184047A CN 201410460362 A CN201410460362 A CN 201410460362A CN 104184047 A CN104184047 A CN 104184047A
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- metal electrode
- lightning protection
- protection device
- movable part
- insulator
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Abstract
The invention discloses a parallel gap lightning protection device. The parallel gap lightning protection device comprises an electrical insulator, an upper metal electrode and a lower metal electrode, wherein the upper metal electrode and the lower metal electrode are connected with the upper end and the lower end of the electric insulator respectively. The lower metal electrode is connected to the lower end of the electrical insulator through an adjusting mechanism, the adjusting mechanism comprises a fixed part, a movable part and a locking assembly, the fixed part is connected to the lower end of the electrical insulator, the movable part can be adjusted vertically relative to the fixed part, and the locking assembly is connected between the fixed part and the movable part and can lock the lightning protection gap distance fixed by the movable part and the fixed part. The upper metal electrode and the lower metal electrode respectively comprise a connecting rod and a tungsten-copper alloy ball located at the end of the connecting rod in a screwed mode, the tungsten-copper alloy balls are high in ablation resistance and welding resistance, can replace carbon steel and serve as a better electrode material, due to the detachable structure, the parts are convenient to replace, and operation is more convenient.
Description
Technical field
The present invention relates to electric power system distribution lightning protection device technical field, relate in particular to a kind of parallel clearance lightning protection device of adjustable clearance.
Background technology
Overhead transmission line many places are in remote area; environment is comparatively severe; easily suffer lightning stroke flashover and pollution flashover; power frequency continued flow after flashover can be up to tens kilo-amperes; threaten the safety of electric power system; for addressing this is that; the measure of taking is both at home and abroad the pair of metal electrodes in parallel at the insulator string of resistance to electric arc two ends; when overhead transmission line is struck by lightning; on insulator string, produce very high lightning overvoltage; but because protecting the lightning impulse discharge voltage in gap lower than the discharge voltage of insulator string, therefore first discharge in protection gap.The power frequency arc continuing is under electric power and thermal stress effect; by the formed discharge channel of parallel connection gaps, be directed to metal electrode end, be fixed on metal electrode cigarette burning; thereby protection insulator avoids electric arc calcination, and then the safe operation of protection overhead transmission line.
Parallel Gap Lightning Protection Device on Overhead Transmission Lines adopts carbon steel manufacture mostly with material at present, its ablation resistance is very poor, traditional carbon steel metal electrode is under high voltage, the large function of current, arc erosion makes surface of metal electrode produce serious rhegmalypt and premature failure, can not meet industrialization demand, traditional lightning protection device gap is fixing unadjustable, can better not mate various insulator and equipment.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of parallel clearance lightning protection device easy to operate, simple in structure is provided, can regulate easily the distance of lightning protection inter space.
Object of the present invention realizes by following technical solution:
A kind of parallel clearance lightning protection device, comprise insulator, respectively with insulator on, it is upper that lower end connects, lower metal electrode, it is characterized in that: described lower metal electrode is connected to the lower end of insulator by adjusting mechanism, described adjusting mechanism comprises the fixture that is connected to insulator lower end, the movable part that fixture is adjusted up and down relatively and be connected to fixture and movable part between latch assembly, described lower metal electrode is connected on movable part, described fixture is provided with vertically extending the first serrated face, described movable part is formed with the second serrated face with the first serrated face laminating,
Further, described fixture comprises the level board that is connected to insulator lower end and the first vertical panel that is formed with described the first serrated face, described movable part is the second vertical panel that is formed with described the second serrated face, and described first, second serrated face is meshed when contact.
Further, on the first described serrated face, be formed with the elongated hole vertically extending, on described the second serrated face, be formed with the location hole that can align with elongated hole, described latch assembly comprises through the bolt of location hole and elongated hole and is arranged on the nut on bolt.
Further, described upper metal electrode is connected with wire by retaining mechanism, and wire is connected with the upper end of insulator, and described retaining mechanism comprises upper and lower clamping plate and is connected to the bolt and nut between lower plate.
Further, described upper lower plate is formed with the arc groove that can pass for wire.
Further, described upper and lower metal electrode comprises respectively connecting rod and the ball discharge that is arranged on connecting rod end.
Further, described connecting rod end arranges threaded rod, and ball discharge is formed with the screw matching with threaded rod.
Further, described ball discharge material is tungsten-copper alloy.
The present invention has following beneficial effect:
1) fixture and the movable part that is connected to lower metal electrode of the present invention is provided with second serrated face of fitting with the first serrated face, first, second serrated face is meshed when contact, can prevent that movable part is subjected to displacement with respect to fixture, can be better the fixing distance of lightning protection inter space.
2) on the first serrated face of the present invention, be formed with elongated hole, on described the second serrated face, be formed with location hole, latch assembly is through location hole and elongated hole, movable part can be moved up and down along elongated hole, can regulate more easily lightning protection inter space distance, latch assembly locks movable part and fixture can be fixed clearance distance.
3) ball discharge material of the present invention is tungsten-copper alloy, has good ablation resistance and resistance fusion welding, can substitute carbon steel as electrode material better, and demountable structure facilitates the replacing of part, and it is more convenient to operate.
Accompanying drawing explanation
Fig. 1 is that lightning protection device is used state diagram.
Fig. 2 is the structural representation of fixture.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the vertical view of Fig. 2.
Fig. 5 is the johning knot composition of movable part and lower metal electrode.
Fig. 6 is Fig. 5 left view.
Fig. 7 is the vertical view of Fig. 5.
Fig. 8 is the cutaway view of tungsten-copper alloy ball.
Fig. 9 is the johning knot composition of retaining mechanism and upper metal electrode
Figure 10 is the left view of Fig. 9.
Figure 11 is the vertical view of Fig. 9.
Embodiment
A kind of parallel clearance lightning protection device comprises as shown in Figure 1 to 11: insulator 2, the upper and lower metal electrode 6,7 being connected with insulator upper and lower end 21,22 respectively.
Lower metal electrode 7 is connected to insulator lower end 22 by adjusting mechanism 5, adjusting mechanism 5 comprises the fixture 51 that is connected to insulator lower end 22, the movable part 52 that fixture 51 is adjusted up and down relatively and be connected to fixture 51 and movable part 52 between latch assembly 531, 532: fixture 51 comprises level board 515 and the first vertical panel 516, bolt is connected to insulator lower end 22 through through hole 518 and the cross-arm 4 of level board 515, the first vertical panel 516 is formed with vertically extending the first serrated face 511, on the first serrated face 511, be formed with the elongated hole 512 vertically extending, movable part 52 is for being formed with the second vertical panel of the second serrated face 521, the first serrated face 511 is meshed when contacting with the second serrated face 521, on the second serrated face 521, be formed with the location hole 522 that can align with elongated hole 512, lower metal electrode 7 is connected on movable part 52, latch assembly 531,532 comprises bolt 531 and nut 532, bolt 531 is through the location hole 522 on movable part 52 and the elongated hole 512 on fixture 51, movable part 52 can move up and down and adjust position with respect to fixture 51, by being arranged on the nut 532 locking movable parts 52 and fixture 51, the distance of fixing lightning protection inter space on bolt 531.
Upper metal electrode 6 is connected with wire 1 by retaining mechanism 3, retaining mechanism 3 comprises train wheel bridge 31, lower plate 32 and being connected to, lower plate 31, bolt 33 between 32, nut 34, wire 1 is through upper, lower plate 31, 32 arc groove 312, 322, train wheel bridge 31 forms left and right through hole 312, 313, lower plate 32 is provided with the left and right through hole 322 aligning with train wheel bridge 31, 323, two bolts 33 are respectively through upper, lower plate 31, 32 left through hole 312, 322 and upper lower plate 31, 32 right through hole 313, 323, by the nut 34 being arranged on bolt 33, retaining mechanism 3 is fixed on wire 1, wire 1 is connected to insulator upper end 21.
Upper metal electrode 6 comprises connecting rod 61 and tungsten-copper alloy ball 62, lower metal electrode 7 comprises connecting rod 71 and tungsten-copper alloy ball 62, described tungsten-copper alloy ball 62 is formed with screw 621, connecting rod 61,71 ends of upper and lower metal electrode 6,7 are provided with the threaded rod matching with screw 621, and tungsten-copper alloy ball 62 is tightened on the end of the connecting rod 61,72 of upper and lower metal electrode 6,7.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, the equivalence of doing according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (8)
1. a parallel clearance lightning protection device, comprise insulator, respectively with insulator on, it is upper that lower end connects, lower metal electrode, it is characterized in that: described lower metal electrode is connected to the lower end of insulator by adjusting mechanism, described adjusting mechanism comprises the fixture that is connected to insulator lower end, the movable part that fixture is adjusted up and down relatively and be connected to fixture and movable part between latch assembly, described lower metal electrode is connected on movable part, described fixture is provided with vertically extending the first serrated face, described movable part is formed with the second serrated face with the first serrated face engagement.
2. a kind of parallel clearance lightning protection device according to claim 1, it is characterized in that: described fixture comprises the level board that is connected to insulator lower end and the first vertical panel that is formed with described the first serrated face, described movable part is the second vertical panel that is formed with described the second serrated face, and described first, second serrated face is meshed when contact.
3. a kind of parallel clearance lightning protection device according to claim 1, it is characterized in that: on described the first serrated face, be formed with the elongated hole vertically extending, on described the second serrated face, be formed with the location hole that can align with elongated hole, described latch assembly comprises through the bolt of location hole and elongated hole and is arranged on the nut on bolt.
4. according to a kind of parallel clearance lightning protection device described in claim 1 or 2 or 3, it is characterized in that: described upper metal electrode is connected with wire by retaining mechanism, wire is connected with the upper end of insulator, and described retaining mechanism comprises upper and lower clamping plate and is connected to the bolt and nut between upper and lower clamping plate.
5. a kind of parallel clearance lightning protection device according to claim 4, is characterized in that: described upper and lower clamping plate are formed with the arc groove that can pass for wire.
6. according to the arbitrary described a kind of parallel clearance lightning protection device of claims 1 to 3, it is characterized in that: described upper and lower metal electrode comprises respectively connecting rod and is arranged on the ball discharge of connecting rod end.
7. a kind of parallel clearance lightning protection device according to claim 6, is characterized in that: described connecting rod end arranges threaded rod, and ball discharge is formed with the screw matching with threaded rod.
8. a kind of parallel clearance lightning protection device according to claim 6, is characterized in that: described ball discharge material is tungsten-copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460362.9A CN104184047A (en) | 2014-09-11 | 2014-09-11 | Parallel gap lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460362.9A CN104184047A (en) | 2014-09-11 | 2014-09-11 | Parallel gap lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104184047A true CN104184047A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460362.9A Pending CN104184047A (en) | 2014-09-11 | 2014-09-11 | Parallel gap lightning protection device |
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| CN (1) | CN104184047A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635355A (en) * | 2019-10-09 | 2019-12-31 | 杭州富阳锐明科技有限公司 | Gap lightning protection device based on electromagnetic transformation |
| CN112670840A (en) * | 2021-01-04 | 2021-04-16 | 西安西电避雷器有限责任公司 | Arrester electrode gap adjusting assembly |
| CN113809640A (en) * | 2021-09-09 | 2021-12-17 | 国网山东省电力公司烟台市牟平区供电公司 | Parallel gap device of lightning protection insulator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963383A (en) * | 1995-08-30 | 1997-03-07 | Ngk Insulators Ltd | Suspended lightning arresting insulator device |
| CN203800524U (en) * | 2014-03-17 | 2014-08-27 | 国家电网公司 | Local ablation-resistant parallel lightning protection gap device for 10kV overhead distribution line |
| CN204067855U (en) * | 2014-09-11 | 2014-12-31 | 泉州亿兴电力有限公司 | A kind of parallel clearance lightning protection device |
-
2014
- 2014-09-11 CN CN201410460362.9A patent/CN104184047A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963383A (en) * | 1995-08-30 | 1997-03-07 | Ngk Insulators Ltd | Suspended lightning arresting insulator device |
| CN203800524U (en) * | 2014-03-17 | 2014-08-27 | 国家电网公司 | Local ablation-resistant parallel lightning protection gap device for 10kV overhead distribution line |
| CN204067855U (en) * | 2014-09-11 | 2014-12-31 | 泉州亿兴电力有限公司 | A kind of parallel clearance lightning protection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635355A (en) * | 2019-10-09 | 2019-12-31 | 杭州富阳锐明科技有限公司 | Gap lightning protection device based on electromagnetic transformation |
| CN112670840A (en) * | 2021-01-04 | 2021-04-16 | 西安西电避雷器有限责任公司 | Arrester electrode gap adjusting assembly |
| CN113809640A (en) * | 2021-09-09 | 2021-12-17 | 国网山东省电力公司烟台市牟平区供电公司 | Parallel gap device of lightning protection insulator |
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Application publication date: 20141203 |