CN106298106A - A kind of with all pressures and the lightning protection line insulator of discharging gap function - Google Patents

A kind of with all pressures and the lightning protection line insulator of discharging gap function Download PDF

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Publication number
CN106298106A
CN106298106A CN201610919327.8A CN201610919327A CN106298106A CN 106298106 A CN106298106 A CN 106298106A CN 201610919327 A CN201610919327 A CN 201610919327A CN 106298106 A CN106298106 A CN 106298106A
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CN
China
Prior art keywords
insulator
pedestal
ball discharge
pressures
grading ring
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.)
Granted
Application number
CN201610919327.8A
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Chinese (zh)
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CN106298106B (en
Inventor
李建宇
陈建胜
黄天猛
郭和川
张正晓
高兵
周东鸥
王飞
金逸宸
施赛科
周文龙
潘梦梦
郭康瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STATE GRID ZHEJIANG YONGJIA POWER SUPPLY Co
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
STATE GRID ZHEJIANG YONGJIA POWER SUPPLY Co
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by STATE GRID ZHEJIANG YONGJIA POWER SUPPLY Co, State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical STATE GRID ZHEJIANG YONGJIA POWER SUPPLY Co
Priority to CN201610919327.8A priority Critical patent/CN106298106B/en
Publication of CN106298106A publication Critical patent/CN106298106A/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/14Supporting insulators
    • H01B17/145Insulators, poles, handles, or the like in electric fences
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/42Means for obtaining improved distribution of voltage; Protection against arc discharges
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/42Means for obtaining improved distribution of voltage; Protection against arc discharges
    • H01B17/46Means for providing an external arc-discharge path

Abstract

The invention discloses a kind of with all pressures and the lightning protection line insulator of discharging gap function; including insulator body; also include grading ring, starting rod, pedestal and ball discharge; wherein; described grading ring is set on the insulator cap of described insulator body; described starting rod is arranged on the side of the bottom of described insulator body; the bottom of described insulator body is connected by insulating bar and described pedestal are fixing; described pedestal is connected with earth terminal and described ball discharge is arranged on described pedestal, and described ball discharge is arranged with described starting rod gap.When there is lightning surge; first it is after overvoltage is carried out being uniformly distributed prolongation flashover path by the grading ring on insulator cap; again by the lower curve through the downward metal of starting rod; i.e. gap discharge between ball discharge; the power frequency arc continued discharges overvoltage energy to earth terminal; thus protect insulator and insulated conductor not by flashover and damage, it is to avoid insulator and wire are by flashover and the accident of broken string (broken stock).

Description

A kind of with all pressures and the lightning protection line insulator of discharging gap function
Technical field
The present invention relates to insulator technology field, particularly relate to a kind of with all pressures and the lightning protection of discharging gap function Line insulator.
Background technology
Electric power overhead type is defeated, distribution line, is set up in different regions respectively;Overhead type is defeated, distribution line was running Cheng Zhong, by directly or during induction lightening, humidity or time situation occurs during rainwater etc., decreasing insulating, overvoltage can be caused, Its overvoltage value is the highest, can form the discharge fault of insulation breakdown;One is while insulation is destroyed, circuit head end Circuit breaker trip;Two is the electric discharge occurring breakdown in insulation, and the local of conductor also there will be hot melten type fusing fault, its insulation Sub and breakdown gold utensil has the fault in succession damaged.
Power overhead network is typically made up of, wherein bar (tower), wire, insulator: one end of insulator is fixed on bar On (tower), the other end supports, fixing wire.Insulator plays two basic roles in electric power overhead molded line road, i.e. supports, admittedly Determine wire and electrical body and ground connection isolated insulation.In normal working conditions, insulator can play support, fixing wire and band The effect of electricity body and ground connection isolated insulation, but being struck by lightning, operate or during Frequency Transient Overvoltage, defeated, distribution line is general There will be tripping operation property fault, it is also possible to because electric discharge causes insulator surface flashover to cause decreasing insulating or broken string to break stock Accident.
Therefore, how to provide a kind of with all pressures and the lightning protection line insulator of discharging gap function, to avoid absolutely Edge and wire by flashover and the accident of broken string, are current those skilled in the art technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of lightning protection circuit with all pressures with discharging gap function Insulator, to avoid insulator and wire by flashover and the accident of broken string.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of with all pressures and the lightning protection line insulator of discharging gap function, including insulator body, also include Grading ring, starting rod, pedestal and ball discharge, wherein, described grading ring is set on the insulator cap of described insulator body, described Starting rod is arranged on the side of the bottom of described insulator body, and the bottom of described insulator body is by insulating bar and described base Seat is fixing to be connected, and described pedestal is connected with earth terminal and described ball discharge is arranged on described pedestal, and described ball discharge is with described Starting rod gap is arranged.
Preferably, above-mentioned grading ring is outer even formula grading ring.
Preferably, above-mentioned insulator body being provided with metallic channel and upper holder block, wire passes from described metallic channel, institute State upper holder block to be fixed by screws in described insulator body, and described wire is fixed in described metallic channel.
Preferably, above-mentioned upper holder block being provided with groove, described groove and described metallic channel align setting.
The lightning protection line insulator with all pressures with discharging gap function that the present invention provides, including insulator originally Body, also includes grading ring, starting rod, pedestal and ball discharge, and wherein, described grading ring is set in the insulation of described insulator body On cap, described starting rod is arranged on the side of the bottom of described insulator body, and the bottom of described insulator body is by insulation Bar and described pedestal are fixing to be connected, and described pedestal is connected with earth terminal and described ball discharge is arranged on described pedestal, described in put Electricity ball is arranged with described starting rod gap.When there is lightning surge, first it is that overvoltage is entered by the grading ring on insulator cap After row is uniformly distributed prolongation flashover path, then put by the gap between the lower curve through the downward metal of starting rod, i.e. ball discharge Electricity, the power frequency arc continued discharges overvoltage energy to earth terminal, thus protects insulator and insulated conductor not by flashover and damage Wound, it is to avoid insulator and wire are by flashover and the accident of broken string (broken stock).
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to These accompanying drawings obtain other accompanying drawing.
Fig. 1 for the embodiment of the present invention provide with all pressures and lightning protection line insulator quick-fried of discharging gap function Fried structural representation.
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.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Refer to the lightning protection circuit with all pressures with discharging gap function that Fig. 1, Fig. 1 provide for the embodiment of the present invention The structural representation of insulator.
The lightning protection line insulator with all pressures with discharging gap function that the embodiment of the present invention provides, including insulation Sub-body, also includes grading ring 3, starting rod 4, pedestal 5 and ball discharge 6, and wherein, grading ring 3 is set in the exhausted of insulator body 1 On edge cap 2, starting rod 4 is arranged on the side of the bottom of insulator body 1, and insulating bar and base are passed through in the bottom of insulator body 1 Seat 5 is fixing to be connected, and pedestal 5 is connected with earth terminal and ball discharge 6 is arranged on pedestal 5, and ball discharge 6 is arranged with starting rod 4 gap. When there is lightning surge, first it is that overvoltage is carried out being uniformly distributed prolongation flashover path by the grading ring 3 on insulator cap 2 After, 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 continued is to connecing Ground end release overvoltage energy, thus protect insulator and insulated conductor not by flashover and damage, it is to avoid insulator and wire are subject to To flashover and the accident of broken string (broken stock).
Wherein, grading ring 3 is outer even formula grading ring.
When fixing wire, insulator body 1 being provided with metallic channel 8 and upper holder block 7, wire passes from metallic channel 8, Upper holder block 7 is fixed by screws in insulator body 1, thus is fixed on by wire in metallic channel 8, fixing convenient soon Prompt.It addition, be provided with groove on upper holder block 7, groove and metallic channel 8 align setting, and groove and metallic channel 8 just form a confession The through hole that wire passes, it is possible to preferably fit with wire, improves contact fixed-area.
The skill that the lightning protection line insulator with all pressure and discharging gap function that the embodiment of the present invention provides performs Art standard is:
GB311.7 1988 " 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 " overvoltage protection of alternating-current electric device and Insulation Coordination ";
I grade 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).
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one The widest scope caused.

Claims (4)

1., with all pressures and a lightning protection line insulator for discharging gap function, including insulator body, its feature exists In, also include grading ring, starting rod, pedestal and ball discharge, wherein,
Described grading ring is set on the insulator cap of described insulator body,
Described starting rod is arranged on the side of the bottom of described insulator body,
The bottom of described insulator body is connected by insulating bar and described pedestal are fixing,
Described pedestal is connected with earth terminal and described ball discharge is arranged on described pedestal,
Described ball discharge is arranged with described starting rod gap.
The most according to claim 1 with all pressures and the lightning protection line insulator of discharging gap function, its feature exists In, described grading ring is outer even formula grading ring.
The most according to claim 1 with all pressures and the lightning protection line insulator of discharging gap function, its feature exists In, described insulator body is provided with metallic channel and upper holder block, wire passes from described metallic channel, and described upper holder block passes through Screw is fixed in described insulator body, and is fixed in described metallic channel by described wire.
The most according to claim 3 with all pressures and the lightning protection line insulator of discharging gap function, its feature exists In, described upper holder block is provided with groove, described groove and described metallic channel align setting.
CN201610919327.8A 2016-10-21 2016-10-21 A kind of lightning protection line insulator with pressure and discharging gap function Active CN106298106B (en)

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CN201610919327.8A CN106298106B (en) 2016-10-21 2016-10-21 A kind of lightning protection line insulator with pressure and discharging gap function

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CN201610919327.8A CN106298106B (en) 2016-10-21 2016-10-21 A kind of lightning protection line insulator with pressure and discharging gap function

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CN106298106B CN106298106B (en) 2019-10-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106782937A (en) * 2017-01-20 2017-05-31 刘进生 Lightning protection porcelain bottle insulators with safety guard
CN106782938A (en) * 2017-01-20 2017-05-31 刘进生 Porcelain bottle insulators with safety guard and electricity testing grounding ring

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Publication number Priority date Publication date Assignee Title
GB566871A (en) * 1943-05-12 1945-01-17 Colin Henry William Clark Improvements in or relating to insulators for high tension electrical transmission systems
CN102157253A (en) * 2011-01-26 2011-08-17 吉林市能兴电力设备有限公司 Outer-gap lightning arrester
CN103337314A (en) * 2013-06-07 2013-10-02 国家电网公司 Discharge gap device with voltage-equalizing rings
CN203659557U (en) * 2013-12-27 2014-06-18 山东迅实电气有限公司 Line type fixed clearance metal oxide arrester
CN104332935A (en) * 2014-11-04 2015-02-04 广东电网有限责任公司中山供电局 10kV distribution network line anti-thunder protection device allowing electrified replacement
CN204288989U (en) * 2014-12-27 2015-04-22 中国西电电气股份有限公司 A kind of extra-high-voltage alternating current gapless metal-oxide lighting arrester
CN204732237U (en) * 2015-07-01 2015-10-28 国家电网公司 For the lightning-protection ice needle type composite insulator of 10kV transmission line
CN206210482U (en) * 2016-10-21 2017-05-31 国网浙江永嘉县供电公司 A kind of lightning protection line insulator with pressure and discharging gap function

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Publication number Priority date Publication date Assignee Title
GB566871A (en) * 1943-05-12 1945-01-17 Colin Henry William Clark Improvements in or relating to insulators for high tension electrical transmission systems
CN102157253A (en) * 2011-01-26 2011-08-17 吉林市能兴电力设备有限公司 Outer-gap lightning arrester
CN103337314A (en) * 2013-06-07 2013-10-02 国家电网公司 Discharge gap device with voltage-equalizing rings
CN203659557U (en) * 2013-12-27 2014-06-18 山东迅实电气有限公司 Line type fixed clearance metal oxide arrester
CN104332935A (en) * 2014-11-04 2015-02-04 广东电网有限责任公司中山供电局 10kV distribution network line anti-thunder protection device allowing electrified replacement
CN204288989U (en) * 2014-12-27 2015-04-22 中国西电电气股份有限公司 A kind of extra-high-voltage alternating current gapless metal-oxide lighting arrester
CN204732237U (en) * 2015-07-01 2015-10-28 国家电网公司 For the lightning-protection ice needle type composite insulator of 10kV transmission line
CN206210482U (en) * 2016-10-21 2017-05-31 国网浙江永嘉县供电公司 A kind of lightning protection line insulator with pressure and discharging gap function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106782937A (en) * 2017-01-20 2017-05-31 刘进生 Lightning protection porcelain bottle insulators with safety guard
CN106782938A (en) * 2017-01-20 2017-05-31 刘进生 Porcelain bottle insulators with safety guard and electricity testing grounding ring

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