CN206210482U - A kind of lightning protection line insulator with pressure and discharging gap function - Google Patents
A kind of lightning protection line insulator with pressure and discharging gap function Download PDFInfo
- Publication number
- CN206210482U CN206210482U CN201621144335.1U CN201621144335U CN206210482U CN 206210482 U CN206210482 U CN 206210482U CN 201621144335 U CN201621144335 U CN 201621144335U CN 206210482 U CN206210482 U CN 206210482U
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- Prior art keywords
- insulator
- pedestal
- ball discharge
- starting rod
- grading ring
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- Withdrawn - After Issue
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- 239000012212 insulator Substances 0.000 title claims abstract description 64
- 238000007599 discharging Methods 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000006378 damage Effects 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical group C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Insulators (AREA)
Abstract
The utility model discloses a kind of lightning protection line insulator with pressure and discharging gap function; including insulator body; also include grading ring, starting rod, pedestal and ball discharge; wherein; the grading ring is set on the insulator cap of the insulator body; the starting rod is arranged on the side of the bottom of the insulator body; the bottom of the insulator body is fixedly connected by insulating bar with the pedestal; the pedestal is connected with earth terminal and the ball discharge is arranged on the pedestal, and the ball discharge is set with the starting rod gap.When there is lightning surge; first it is after overvoltage is carried out being uniformly distributed extension flashover path by grading ring on insulator cap; again by the lower curve through the downward metal of starting rod; gap discharge i.e. between ball discharge; the power frequency arc for continuing discharges overvoltage energy to earth terminal; so as to protect insulator and insulated conductor not to receive flashover and damage, it is to avoid insulator and wire are subject to the accident of flashover and broken string (broken stock).
Description
Technical field
The utility model is related to insulator technology field, more particularly to a kind of lightning protection with pressure and discharging gap function
Protection circuit insulator.
Background technology
Electric power overhead type is defeated, distribution line, and different regions are set up in respectively;Overhead type is defeated, distribution line was running
Cheng Zhong, during by direct or induction lightening, moist or rainwater when situations such as when occurring, decreasing insulating can cause overvoltage,
Its overvoltage value is very high, can form the discharge fault of insulation breakdown;One be insulation be subject to destruction while, circuit head end
Circuit breaker trip;Two is the electric discharge of breakdown occur in insulation, and the part of conductor also occurs that hot melten type melts failure, its insulation
Sub and breakdown gold utensil has the failure of successive damage.
Power overhead network is typically made up of bar (tower), wire, insulator, wherein:One end of insulator is fixed on bar
On (tower), other end support, fixed wire.Insulator plays two basic roles in electric power overhead molded line road, that is, support, consolidate
Wire and electrical body are determined with ground connection isolated insulation.In normal working conditions, insulator can play support, fixed wire and band
Electric body and the effect for being grounded isolated insulation, but when there is thunderbolt, operation or Frequency Transient Overvoltage, defeated, distribution line is general
Tripping operation property failure occurs, it is also possible to because electric discharge causes insulator surface flashover and caused by decreasing insulating or the broken stock of broken string
Accident.
Therefore, a kind of lightning protection line insulator with pressure and discharging gap function how is provided, to avoid absolutely
Edge and wire are subject to the accident of flashover and broken string, are current those skilled in the art technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of lightning protection with pressure and discharging gap function
Line insulator, to avoid insulator and wire from being subject to the accident of flashover and broken string.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of lightning protection line insulator with pressure and discharging gap function, including insulator body, also include
Grading ring, starting rod, pedestal and ball discharge, wherein, the grading ring is set on the insulator cap of the insulator body, described
Starting rod is arranged on the side of the bottom of the insulator body, and the bottom of the insulator body passes through insulating bar and the base
Seat be fixedly connected, the pedestal is connected with earth terminal and the ball discharge is arranged on the pedestal, the ball discharge with it is described
Starting rod gap is set.
Preferably, above-mentioned grading ring is outer even formula grading ring.
Preferably, metallic channel and upper holder block are provided with above-mentioned insulator body, wire is passed through from the metallic channel, institute
State upper holder block to be fixed by screws in the insulator body, and the wire is fixed in the metallic channel.
Preferably, set fluted on above-mentioned upper holder block, the groove aligns setting with the metallic channel.
The lightning protection line insulator with pressure and discharging gap function that the utility model is provided, including insulator
Body, also including grading ring, starting rod, pedestal and ball discharge, wherein, the grading ring is set in the exhausted of the insulator body
On edge cap, the starting rod is arranged on the side of the bottom of the insulator body, and the bottom of the insulator body is by exhausted
Edge bar is fixedly connected with the pedestal, and the pedestal is connected with earth terminal and the ball discharge is arranged on the pedestal, described
Ball discharge is set with the starting rod gap.First it is grading ring on insulator cap by overvoltage when there is lightning surge
After carrying out being uniformly distributed extension flashover path, then by the lower curve through the downward metal of starting rod, i.e. gap between ball discharge
Electric discharge, the power frequency arc for continuing discharges overvoltage energy to earth terminal, thus protect insulator and insulated conductor by flashover and
Damage, it is to avoid insulator and wire are subject to the accident of flashover and broken string (broken stock).
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
The lightning protection line insulator with pressure and discharging gap function that Fig. 1 is provided for the utility model embodiment
Configuration schematic diagram.
In figure 1 above:
Insulator body 1, insulator cap 2, grading ring 3, starting rod 4, pedestal 5, ball discharge 6, upper holder block 7, metallic channel 8.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Refer to Fig. 1, the lightning protection with pressure and discharging gap function that Fig. 1 is provided for the utility model embodiment
The structural representation of line insulator.
The lightning protection line insulator with pressure and discharging gap function that the utility model embodiment is provided, including
Insulator body, also including grading ring 3, starting rod 4, pedestal 5 and ball discharge 6, wherein, grading ring 3 is set in insulator body 1
Insulator cap 2 on, starting rod 4 is arranged on the side of the bottom of insulator body 1, and the bottom of insulator body 1 passes through insulating bar
It is fixedly connected with pedestal 5, pedestal 5 is connected with earth terminal and ball discharge 6 is arranged on pedestal 5, ball discharge 6 and the gap of starting rod 4
Set.First it is that the grading ring 3 on insulator cap 2 carries out overvoltage to be uniformly distributed extension flashover when there is lightning surge
Behind path, then by the lower curve through the downward metal of starting rod 4, i.e. gap discharge between ball discharge 6, the power frequency arc for continuing
Overvoltage energy is discharged to earth terminal, so as to protect insulator and insulated conductor not to receive flashover and damage, it is to avoid insulator and lead
Line is subject to the accident of flashover and broken string (broken stock).
Wherein, grading ring 3 is outer even formula grading ring.
In fixed wire, metallic channel 8 and upper holder block 7 are provided with insulator body 1, wire is passed through from metallic channel 8,
Upper holder block 7 is fixed by screws in insulator body 1, fixed more to facilitate fast so as to wire is fixed in metallic channel 8
It is prompt.In addition, setting fluted on upper holder block 7, groove aligns setting with metallic channel 8, and groove just forms a confession with metallic channel 8
The through hole that wire is passed through, preferably can fit with wire, improve contact fixed-area.
The lightning protection line insulator with pressure and discharging gap function that the utility model embodiment is provided is performed
Technical standard be:
GB311.7—1988《The Insulation Coordination of high-voltage transmission equipment uses directive/guide》;
DL/T804—2002《AC electric power systems metal oxide arrester uses directive/guide》;
DL/T620—1997《The overvoltage protection and Insulation Coordination of alternating-current electric device》;
I grades is plain edition;
II grade is for medium filthy area (retting-flax wastewater 20mm/kV);
III grade is for heavy pollution area (retting-flax wastewater 25mm/kV);
IV grade is for extra heavy filthy area (retting-flax wastewater 31mm/kV).
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
1. a kind of lightning protection line insulator with pressure and discharging gap function, including insulator body, its feature exists
In, also including grading ring, starting rod, pedestal and ball discharge, wherein,
The grading ring is set on the insulator cap of the insulator body,
The starting rod is arranged on the side of the bottom of the insulator body,
The bottom of the insulator body is fixedly connected by insulating bar with the pedestal,
The pedestal is connected with earth terminal and the ball discharge is arranged on the pedestal,
The ball discharge is set with the starting rod gap.
2. according to claim 1 with the lightning protection line insulator pressed with discharging gap function, its feature exists
In the grading ring is outer even formula grading ring.
3. according to claim 1 with the lightning protection line insulator pressed with discharging gap function, its feature exists
In, metallic channel and upper holder block are provided with the insulator body, wire is passed through from the metallic channel, and the upper holder block passes through
Screw is fixed in the insulator body, and the wire is fixed in the metallic channel.
4. according to claim 3 with the lightning protection line insulator pressed with discharging gap function, its feature exists
In, setting fluted on the upper holder block, the groove aligns setting with the metallic channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621144335.1U CN206210482U (en) | 2016-10-21 | 2016-10-21 | A kind of lightning protection line insulator with pressure and discharging gap function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621144335.1U CN206210482U (en) | 2016-10-21 | 2016-10-21 | A kind of lightning protection line insulator with pressure and discharging gap function |
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Publication Number | Publication Date |
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CN206210482U true CN206210482U (en) | 2017-05-31 |
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CN201621144335.1U Withdrawn - After Issue CN206210482U (en) | 2016-10-21 | 2016-10-21 | A kind of lightning protection line insulator with pressure and discharging gap function |
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CN (1) | CN206210482U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106298106A (en) * | 2016-10-21 | 2017-01-04 | 国网浙江永嘉县供电公司 | A kind of with all pressures and the lightning protection line insulator of discharging gap function |
CN110824303A (en) * | 2019-10-16 | 2020-02-21 | 广西大学 | Method for eliminating central direct flashover of span by utilizing advanced discharge |
-
2016
- 2016-10-21 CN CN201621144335.1U patent/CN206210482U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106298106A (en) * | 2016-10-21 | 2017-01-04 | 国网浙江永嘉县供电公司 | A kind of with all pressures and the lightning protection line insulator of discharging gap function |
CN106298106B (en) * | 2016-10-21 | 2019-10-01 | 国网浙江永嘉县供电公司 | A kind of lightning protection line insulator with pressure and discharging gap function |
CN110824303A (en) * | 2019-10-16 | 2020-02-21 | 广西大学 | Method for eliminating central direct flashover of span by utilizing advanced discharge |
CN110824303B (en) * | 2019-10-16 | 2021-10-01 | 广西大学 | Method for eliminating central direct flashover of span by utilizing advanced discharge |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170531 Effective date of abandoning: 20191001 |