CN205646797U - Overvoltage protector for anti -thunder circuit - Google Patents
Overvoltage protector for anti -thunder circuit Download PDFInfo
- Publication number
- CN205646797U CN205646797U CN201620263460.8U CN201620263460U CN205646797U CN 205646797 U CN205646797 U CN 205646797U CN 201620263460 U CN201620263460 U CN 201620263460U CN 205646797 U CN205646797 U CN 205646797U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- protector
- gap ball
- current limiting
- limiting element
- 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.)
- Expired - Fee Related
Links
- 230000001012 protector Effects 0.000 title claims abstract description 34
- 239000012212 insulator Substances 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses an overvoltage protector for anti -thunder circuit, include adjustable electrically conductive connecting plate, insulator, insulated wire, protector, adjustable screw rod, current limiting element, quiet clearance ball and move the clearance ball, adjustable electrically conductive connecting plate includes first connecting plate and second connecting plate, and installs the insulator on the first connecting plate, installs the protector on the second connecting plate, the last quiet clearance ball of installing of insulated wire, the fixed plate is installed to the protector upper end, the adjustable screw rod front end is installed and is moved the clearance ball, the protector skin is wrapping up the one deck insulating coating, and protector internally mounted has the inside lining insulating tube, installs current limiting element in the inside lining insulating tube, current limiting element and move the clearance ball and the second connecting plate between electric connection. The utility model discloses, simple structure, it is with low costs, simple to operate to can carry out the regulation of sphere gap by according to actual need very conveniently.
Description
Technical field
This utility model is line overvoltage protection device equipment technical field, is specially a kind of lightning protection line overvoltage protection device.
Background technology
The power frequency continued flow that cut-out lightning current causes in time is the basic method preventing suspended insulated guide wire circuit lightning-caused breaking accident.Prior art and device use metal oxide arrester mostly, although metal oxide arrester can play the effect preventing lightning surge, but spark gap bears power-frequency voltage effect for a long time, to bear the effect of lightning surge and power frequency continued flow the most off and on, the most aging, its fault is a lot, and cost is the highest；And; if big lightning current passes through spark gap, spark gap can be caused to hold and to can't stand and damage, cause short circuit grounding; insulated cable is caused to break; it addition, existing employing lightning-proof overvoltage protector for circuit insulators, i.e. sphere gap metal zinc oxide lightning arrester; its structure is complicated; cost is high, installs inconvenience, and sphere gap regulation is the most cumbersome.
Summary of the invention
The purpose of this utility model is to provide a kind of lightning protection line overvoltage protection device, with the problem solving to propose in above-mentioned background technology.
nullFor achieving the above object，This utility model following technical scheme of offer: a kind of lightning protection line overvoltage protection device，Including scalable conductive connection plates、Insulator、Insulated conductor、Protector、Adjustable screw、Current limiting element、Qiu Hedong gap, quiet gap ball，Described scalable conductive connection plates includes the first connecting plate and the second connecting plate，And first be provided with insulator on connecting plate，On second connecting plate, protector is installed，Described insulator is connected with insulated conductor by anchor ear，Quiet gap ball is installed on described insulated conductor，Described protector upper end is provided with fixed plate，And fixed plate has adjustable screw by strengthening stud connection，Described adjustable screw front end is provided with dynamic gap ball，Described protector outer layer covers one layer of insulating coating，Protector is internally installed insulation liner pipe，And insulation liner pipe is hollow structure，In insulation liner pipe, current limiting element is installed，It is electrically connected with between described current limiting element and dynamic gap ball and the second connecting plate.
Preferably, described first connecting plate and the second connecting plate are L-type structure, connected by fastening bolt between described first connecting plate and the second connecting plate, it is equipped with through hole on the non-level segment of described first connecting plate and on the non-level segment of the second connecting plate, the through hole that the non-level segment of described first connecting plate is provided with is trough type structure, the through hole that the non-level segment of described second connecting plate is provided with is circular configuration, and described fastening bolt is arranged in through hole.
Preferably, described quiet gap ball is connected with insulated conductor by attachment means, leaves gap between the ball of Qiu Yudong gap, described quiet gap.
Preferably, described insulator is connected by conducting metal bar and the first connecting plate.
Preferably, described current limiting element is made up of zinc oxide resistance sheet.
Preferably, described adjustable screw front end is provided with external screw thread, and described dynamic gap ball is provided with circular hole, and circular-hole internal-wall is provided with female thread, is threaded connection between described adjustable screw and dynamic gap ball.
Preferably; the upper end of described protector is connected with fixed plate by the first conductive nut; the lower end of described protector is connected by the second conductive nut and the second connecting plate, is electrically connected with between described current limiting element and the first conductive nut, the second conductive nut and dynamic gap ball.
nullCompared with prior art，The beneficial effects of the utility model are: the matched in clearance of this utility model quiet gap ball by being provided with on insulated conductor above the adjustable dynamic gap ball being arranged above and insulator of current limiting element，When circuit is by Lightning Over-voltage，When induced overvoltage not yet reaches insulator arc-over，Electric discharge is started between the sphere gap of Qiu Hedong gap, quiet gap，Lightning current guides zinc oxide current limiting element afterwards，The release of electric current oxidized zinc resistor disc，Power frequency continued flow the most oxidized zinc current limiting element blocks，Thus reach lightning-arrest purpose，Thus prevent the loss of suspended insulated guide wire thunder and lightning amount or cause great personal injury，And when power-frequency voltage in short-term occurs in circuit，Even if circuit goes out to weak isolating，Protector still ensures that electric discharge，Play the effect of protection，Additionally，In protector discharge process，After lightning voltage under system power-frequency voltage，Oneself can extinguish power frequency continued flow，Thus keep system not decompression，Avoid system decompression and the generation of relay protection action trip condition，And then offer high-quality，Ensure normal power supply，Increase economic benefit，Improve power supply reliability，By the female thread being provided with on the circular-hole internal-wall of dynamic gap ball，The external screw thread that adjustable screw front end is provided with，Dynamic gap ball is threaded connection with adjustable screw，By adjusting the extension elongation of adjustable screw，The position adjustment between the ball of dynamic Qiu Yujing gap, gap can be realized.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of lightning protection line overvoltage protection device；
Fig. 2 is the structural representation of protector of the present utility model.
In figure: 1-insulated conductor；2-insulator；3-protector；4-scalable conductive connection plates；5-the first connecting plate；6-the second connecting plate；7-anchor ear；8-quiet gap ball；9-moves gap ball；10-adjustable screw；11-strengthening stud；12-fixed plate；13-the first conductive nut；14-the second conductive nut；15-fastening bolt；16-attachment means；17-insulating coating；18-current limiting element；19-insulation liner pipe；20-conducting metal bar.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1-2，A kind of embodiment that this utility model provides: a kind of lightning protection line overvoltage protection device，Including scalable conductive connection plates 4、Insulator 2、Insulated conductor 1、Protector 3、Adjustable screw 10、Current limiting element 19、Quiet gap ball 8 and dynamic gap ball 9，Scalable conductive connection plates 4 includes the first connecting plate 5 and the second connecting plate 6，And first be provided with insulator 2 on connecting plate 5，On second connecting plate 6, protector 3 is installed，Insulator 2 is connected with insulated conductor 1 by anchor ear 7，Quiet gap ball 8 is installed on insulated conductor 1，Protector 3 upper end is provided with fixed plate 12，And fixed plate 12 has adjustable screw 10 by strengthening stud 11 connection，Adjustable screw 10 front end is provided with dynamic gap ball 9，Protector 3 outer layer covers one layer of insulating coating 17，Protector 3 is internally installed insulation liner pipe 19，And insulation liner pipe 19 is hollow structure，Current limiting element 18 is installed in insulation liner pipe 19，It is electrically connected with between current limiting element 18 and dynamic gap ball 9 and the second connecting plate 6，First connecting plate 5 and the second connecting plate 6 are L-type structure，It is connected by fastening bolt 15 between first connecting plate 5 with the second connecting plate 6，It is equipped with through hole on the non-level segment of the first connecting plate 5 and on the non-level segment of the second connecting plate 6，The through hole that the non-level segment of the first connecting plate 5 is provided with is trough type structure，The through hole that the non-level segment of the second connecting plate 6 is provided with is circular configuration，Fastening bolt 15 is arranged in through hole，Quiet gap ball 8 is connected with insulated conductor 1 by attachment means 16，Gap is left between quiet gap ball 8 and dynamic gap ball 9，Insulator 2 is connected with the first connecting plate 5 by conducting metal bar 20，Current limiting element 18 is made up of zinc oxide resistance sheet，Adjustable screw 10 front end is provided with external screw thread，Dynamic gap ball 9 is provided with circular hole，And circular-hole internal-wall is provided with female thread，It is threaded connection between adjustable screw 10 and dynamic gap ball 9，The upper end of protector 3 is connected with fixed plate 12 by the first conductive nut 13，The lower end of protector 3 is connected with the second connecting plate 6 by the second conductive nut 14，Current limiting element 18 and the first conductive nut 13、It is electrically connected with between second conductive nut 14 and dynamic gap ball 9.
nullSpecifically used mode: in utility model works，When circuit is by Lightning Over-voltage，When induced overvoltage not yet reaches insulator 2 flashover，Electric discharge is started between quiet gap ball 8 and ball 9 gap, dynamic gap，Lightning current guides zinc oxide current limiting element 18 afterwards，The release of electric current oxidized zinc current limliting original paper 18，Power frequency continued flow the most oxidized zinc current limiting element 18 blocks，Thus reach lightning-arrest purpose，Thus prevent the loss of suspended insulated guide wire thunder and lightning amount or cause great personal injury，And when power-frequency voltage in short-term occurs in circuit，Even if circuit goes out to weak isolating，Protector 3 still ensures that electric discharge，Play the effect of protection，Additionally，In protector 3 discharge process，After lightning voltage under system power-frequency voltage，Oneself can extinguish power frequency continued flow，Thus keep system not decompression，Avoid system decompression and the generation of relay protection action trip condition，And then offer high-quality，Ensure normal power supply，Increase economic benefit，Improve power supply reliability，By the female thread being provided with on the circular-hole internal-wall of dynamic gap ball 9，The external screw thread that adjustable screw 10 front end is provided with，Dynamic gap ball 9 is threaded connection with adjustable screw 10，By adjusting the extension elongation of adjustable screw 10，The position adjustment between dynamic gap ball 9 and quiet gap ball 10 can be realized.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
Claims (7)
- null1. a lightning protection line overvoltage protection device，Including scalable conductive connection plates (4)、Insulator (2)、Insulated conductor (1)、Protector (3)、Adjustable screw (10)、Current limiting element (19)、Quiet gap ball (8) and dynamic gap ball (9)，It is characterized in that: described scalable conductive connection plates (4) includes the first connecting plate (5) and the second connecting plate (6)，And first be provided with insulator (2) on connecting plate (5)，Protector (3) is installed on the second connecting plate (6)，Described insulator (2) is connected with insulated conductor (1) by anchor ear (7)，Quiet gap ball (8) is installed on described insulated conductor (1)，Described protector (3) upper end is provided with fixed plate (12)，And fixed plate (12) has adjustable screw (10) by strengthening stud (11) connection，Described adjustable screw (10) front end is provided with dynamic gap ball (9)，Described protector (3) outer layer covers one layer of insulating coating (17)，Protector (3) is internally installed insulation liner pipe (19)，And insulation liner pipe (19) is hollow structure，Current limiting element (18) is installed in insulation liner pipe (19)，It is electrically connected with between described current limiting element (18) and dynamic gap ball (9) and the second connecting plate (6).
- A kind of lightning protection line overvoltage protection device the most according to claim 1, it is characterized in that: described first connecting plate (5) and the second connecting plate (6) are L-type structure, it is connected by fastening bolt (15) between described first connecting plate (5) and the second connecting plate (6), it is equipped with through hole on the non-level segment of described first connecting plate (5) and on the non-level segment of the second connecting plate (6), the through hole that the non-level segment of described first connecting plate (5) is provided with is trough type structure, the through hole that the non-level segment of described second connecting plate (6) is provided with is circular configuration, described fastening bolt (15) is arranged in through hole.
- A kind of lightning protection line overvoltage protection device the most according to claim 1, it is characterised in that: described quiet gap ball (8) is connected with insulated conductor (1) by attachment means (16), leaves gap between described quiet gap ball (8) and dynamic gap ball (9).
- A kind of lightning protection line overvoltage protection device the most according to claim 1, it is characterised in that: described insulator (2) is connected with the first connecting plate (5) by conducting metal bar (20).
- A kind of lightning protection line overvoltage protection device the most according to claim 1, it is characterised in that: described current limiting element (18) is made up of zinc oxide resistance sheet.
- A kind of lightning protection line overvoltage protection device the most according to claim 1; it is characterized in that: described adjustable screw (10) front end is provided with external screw thread; described dynamic gap ball (9) is provided with circular hole; and circular-hole internal-wall is provided with female thread, it is threaded connection between described adjustable screw (10) and dynamic gap ball (9).
- A kind of lightning protection line overvoltage protection device the most according to claim 1; it is characterized in that: the upper end of described protector (3) is connected with fixed plate (12) by the first conductive nut (13); the lower end of described protector (3) is connected with the second connecting plate (6) by the second conductive nut (14), is electrically connected with between described current limiting element (18) and the first conductive nut (13), the second conductive nut (14) and dynamic gap ball (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263460.8U CN205646797U (en) | 2016-03-31 | 2016-03-31 | Overvoltage protector for anti -thunder circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263460.8U CN205646797U (en) | 2016-03-31 | 2016-03-31 | Overvoltage protector for anti -thunder circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205646797U true CN205646797U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620263460.8U Expired - Fee Related CN205646797U (en) | 2016-03-31 | 2016-03-31 | Overvoltage protector for anti -thunder circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205646797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142347A (en) * | 2021-11-29 | 2022-03-04 | 国网湖北省电力有限公司武汉市新洲区供电公司 | High-safety lightning arrester for electric power facilities |
-
2016
- 2016-03-31 CN CN201620263460.8U patent/CN205646797U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142347A (en) * | 2021-11-29 | 2022-03-04 | 国网湖北省电力有限公司武汉市新洲区供电公司 | High-safety lightning arrester for electric power facilities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Lianhua Inventor before: Li Jinqi |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170609 Address after: 523000, Guangdong City, Dongguan province Zhangmutou town of camphor Yang community, Fu bamboo street, No. two, third floor, -1 Patentee after: Dongguan Xinchang Electronics Co., Ltd. Address before: 312366, Shaoxing, Zhejiang Province, Shangyu Province town, Lek Village, East China village, room 20, No. 1 Patentee before: Li Jinqi |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20180331 |