CN203722173U - Integrated serial-connection gap-adjustable arc-blowing distribution line lightning protection device - Google Patents

Integrated serial-connection gap-adjustable arc-blowing distribution line lightning protection device Download PDF

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Publication number
CN203722173U
CN203722173U CN201420051143.0U CN201420051143U CN203722173U CN 203722173 U CN203722173 U CN 203722173U CN 201420051143 U CN201420051143 U CN 201420051143U CN 203722173 U CN203722173 U CN 203722173U
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CN
China
Prior art keywords
connecting rod
plug
electrode
protection device
arc
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.)
Withdrawn - After Issue
Application number
CN201420051143.0U
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Chinese (zh)
Inventor
余占清
曾嵘
黄颖
陆国俊
刘宇
王泽众
刘毅
何金良
唐波
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.)
Tsinghua University
Guangzhou Power Supply Bureau Co Ltd
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Tsinghua University
Guangzhou Power Supply Bureau Co Ltd
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Priority to CN201420051143.0U priority Critical patent/CN203722173U/en
Application granted granted Critical
Publication of CN203722173U publication Critical patent/CN203722173U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to an integrated serial-connection gap-adjustable arc-blowing distribution line lightning protection device, and belongs to the technical field of electric power facility elements. The lightning protection device comprises a plurality of cavity electrodes, a plurality of arc extinguishing chambers, an upper connecting rod, a lower connecting rod, a low voltage annular electrode and a high voltage annular electrode etc., the plurality of cavity electrodes are arranged in an insulation sleeve at intervals, the insulation sleeve is divided into the plurality of arc extinguishing chambers via the plurality of cavity electrodes, one side of the arc extinguishing chambers is provided with blowholes, the low voltage annular electrode is fixed to the lower connecting rod via a positioning nut which is inserted into a positioning hole, the high voltage annular electrode is fixed to the upper connecting rod, the upper end part of the upper connecting rod is provided with a conducting wire clamp, and an overhead power transmission line penetrates through the conducting wire clamp. According to the lighting protection device, the structure is simple, the installation is convenient, the function is clear, discharging arcs caused by overvoltage of a line can be effectively cut off, and the security and the reliability of an electric power system are guaranteed.

Description

A kind of integral type adjustable fixed gap arc blow-out distribution line lightning protection device of connecting
Technical field
The utility model relates to a kind of integral type adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, and belongs to electric power facility Element Technology field.
Background technology
Mounting strap arrester with series gaps on overhead transmission line, can be struck by lightning or effectively release when insulator string flashover overvoltage and protection insulator string are avoided the calcination of electrical discharge arc at circuit.Normal tape arrester with series gaps can effectively attract the overvoltage on circuit, punctures air gap, and overvoltage is imported to the earth.But this lightning arrester is deposited cannot automatic distinguishing electric arc and the unfixed problem of series gap distance.
When discharging gap and the power frequency continued flow electric arc that cannot automatic distinguishing causes because puncturing air gap, only have with auto recloser and be used in conjunction with, could obtain good lightning protection effect.But, because needs are waited for circuit breaker action, cause on series gap the arc extinction time longer, the earth of at every turn overvoltage on circuit being released, all may make gold utensil by flash burn, even can blow wire when situation is serious.
Along with the lightning arrester passing of running time on the line, discharging gap can make distance change because external force or securing member are loosening.The increase guiding discharge gap discharge voltage of discharging gap distance increases, when occurring on circuit superpotential time that lightning arrester cannot normally be worked; The guiding discharge gap discharge power supply that reduces of arcing distance reduces, and makes lightning arrester too sensitive, and when serious, lightning arrester can discharge and cause single-phase grounding fault under power frequency.
Summary of the invention
A kind of integral type the utility model proposes adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, improves the structure of existing lightning arrester, cannot automatic distinguishing power frequency continued flow electric arc and the unfixed problem of discharging gap with what solve that prior art exists.
The integral type the utility model proposes adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, comprises and connects base, connecting cylinder, insulating sleeve, thin-wall steel tube, multiple chamber electrode, multiple arc control device, plug, plug insulating barrier, lower connecting rod, low pressure ring electrode, isolated insulation, upper connecting rod, high pressure ring electrode and wire clamp; Described connection base is for being fixed on lightning arrester in insulator lower end or the shaft tower of overhead transmission line, on described connecting cylinder, have the hole equating with chamber electrode and plug caliber size, for inserting chamber electrode and plug at connecting cylinder, make lightning arrester and be connected base and be connected; Described multiple chamber electrode gap are arranged in insulating sleeve, and insulating sleeve is separated into multiple arc control device by multiple chamber electrodes, and one side of arc control device has fumarole; Described thin-wall steel tube is placed between insulating sleeve and chamber electrode; Described plug is placed in the bottom of insulating sleeve, and described plug insulating barrier is wrapped in mandrel outer; Described low pressure ring electrode is fixed on lower connecting rod by inserting the setscrew nut of location hole, and the bottom of lower connecting rod is connected with described chamber electrode, and the upper end of lower connecting rod is relative fixing with the bottom of described isolated insulation; Described high pressure ring electrode is fixed on upper connecting rod, and the bottom of upper connecting rod is relative fixing with the top of described isolated insulation, and the upper end of upper connecting rod is provided with wire clamp, and overhead transmission line is through wire clamp.
The integral type the utility model proposes adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, its advantage is: compared with existing series gap lightning arrester, the utility model lightning arrester utilizes the high velocity air of high temperature generation in each arc control device by the little arc cutting in arc control device, and then automatically cuts off large electric arc; The discharging gap distance of the utility model series connection adjustable clearance arc blowing type low voltage surge arrester is fixing, and can be adjusted to suitable arcing distance according to different electric pressures on low-voltage circuit, has avoided affected by extraneous factor and problem that discharging gap is changed; High-field electrode in the utility model lightning arrester can be guided to electric arc root high pressure ring electrode from wire, and having avoided within the time of carrying out arc extinguishing action can the calcination of high-temperature electric arc to wire, thereby prevents the generation of broken string accident.Lightning arrester of the present utility model, in servicely can keep discharging gap constant distance long-term, has ensured the normal work of lightning arrester; Can regulate discharging gap distance according to specific requirements such as line voltage distribution grades when mounted, and can make the discharging gap constant distance on every grade of shaft tower, ensure standardized installation.The utility model lightning arrester is simple in structure, easy for installation, and definite functions can effectively be cut off the electrical discharge arc causing because of line over-voltage, has ensured the safety and reliability of electric power system.
Brief description of the drawings
Fig. 1 is the connect structural representation of adjustable fixed gap arc blow-out distribution line lightning protection device of the integral type that the utility model proposes.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B profile of Fig. 1.
In Fig. 1, Fig. 2 and Fig. 3, the 1st, connect base, the 2nd, connecting cylinder, the 3rd, insulating sleeve, the 4th, plug, the 5th, plug insulating barrier, the 6th, thin-wall steel tube, the 7th, fumarole, the 8th, chamber electrode, the 9th, arc control device, the 10th, lower connecting rod, the 11st, location hole, the 12nd, setscrew nut, the 13rd, low pressure ring electrode, the 14th, high pressure ring electrode, the 15th, wire clamp, the 16th, upper connecting rod, the 17th, isolated insulation.
Embodiment
The integral type the utility model proposes adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, its structure as shown in Figure 1, comprises and connects base 1, connecting cylinder 2, insulating sleeve 3, thin-wall steel tube 6, multiple chamber electrode 8, multiple arc control device 9, plug 4, plug insulating barrier 5, lower connecting rod 10, low pressure ring electrode 13, isolated insulation 17, upper connecting rod 16, high pressure ring electrode 14 and wire clamp 15.Connect base 1 for lightning arrester being fixed on to insulator lower end or the shaft tower of overhead transmission line, on connecting cylinder 2, have the hole equating with the caliber size of chamber electrode 8 and plug 4, for inserting chamber electrode and plug at connecting cylinder 2, make lightning arrester and be connected base 1 and be connected.Multiple chamber electrodes 8 are spaced in insulating sleeve 3, and insulating sleeve 2 is separated into multiple arc control device 9 by multiple chamber electrodes 8, and one side of arc control device 9 has fumarole 7.Thin-wall steel tube 6 is placed between insulating sleeve 3 and chamber electrode 8.Plug 4 is placed in the bottom of insulating sleeve 2, and plug insulating barrier 5 is wrapped in outside plug 4.As shown in Figure 3, low pressure ring electrode 13 is fixed on lower connecting rod 10 by the setscrew nut 12 that inserts location hole 11, and the bottom of lower connecting rod 10 is connected with chamber electrode 8, and the upper end of lower connecting rod 10 is relative fixing with the bottom of isolated insulation 17.High pressure ring electrode 14 is fixed on upper connecting rod 16, and the bottom of upper connecting rod 16 is relative fixing with the top of isolated insulation 17, and the upper end of upper connecting rod 16 is provided with wire clamp 15, and overhead transmission line is through wire clamp 15, as shown in Figure 2.
The integral type the utility model proposes adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, discharging gap is fixed on wire by wire clamp; Adjustable low pressure ring electrode with on connecting rod, respectively have the circular hole that diameter equates, reach the object in adjusting gap by adjusting low pressure ring-type electrode circle hole and the cooperation that is connected upper 5 circular holes, and clearance distance after adjusting can not change in time.Described arc blow-out lightning arrester skin is insulating sleeve, and insulating sleeve is enclosed with chamber electrode one by one, and the number of chamber electrode is formulated according to line voltage distribution grade.Chamber electrode is spaced in insulating sleeve, and insulating sleeve is divided into arc control device one by one, has a fumarole for high-speed gas ejection on one side at arc control device.Between described arc blow-out lightning arrester insulation sleeve pipe and chamber electrode are straight, have one deck thin-wall steel tube, play fixing moulding effect, insulating sleeve bottom has a plug to support whole lightning arrester.Described arc blow-out lightning arrester right-hand member electrode half is insulated sleeve pipe parcel, and half is connected with connecting rod.Described arc blow-out lightning arrester left end is connected with metab.Described metab holder part is wire clamp shape, lightning arrester can be fixed on insulator lower end or shaft tower.Affiliated metab connecting cylinder part has the hole equating with chamber electrode and plug caliber size, inserts chamber electrode and plug, and lightning arrester is connected with metab.
The utility model lightning arrester, utilize the adjustable low pressure ring electrode on arc blow-out lightning arrester top that electric arc is caused in lightning arrester arc control device, produce high temperature by arc control device middle chamber electrode discharge, add hot-air, discharge high-speed gas by arc cutting, complete the function of the automatic arc extinguishing of lightning arrester.

Claims (1)

1. the integral type adjustable fixed gap arc blow-out distribution line lightning protection device of connecting, is characterized in that lightning protection device comprises and connects base, connecting cylinder, insulating sleeve, thin-wall steel tube, multiple chamber electrode, multiple arc control device, plug, plug insulating barrier, lower connecting rod, low pressure ring electrode, isolated insulation, upper connecting rod, high pressure ring electrode and wire clamp; Described connection base is for being fixed on lightning arrester in insulator lower end or the shaft tower of overhead transmission line, on described connecting cylinder, have the hole equating with chamber electrode and plug caliber size, for inserting chamber electrode and plug at connecting cylinder, make lightning arrester and be connected base and be connected; Described multiple chamber electrode gap are arranged in insulating sleeve, and insulating sleeve is separated into multiple arc control device by multiple chamber electrodes, and one side of arc control device has fumarole; Described thin-wall steel tube is placed between insulating sleeve and chamber electrode; Described plug is placed in the bottom of insulating sleeve, and described plug insulating barrier is wrapped in mandrel outer; Described low pressure ring electrode is fixed on lower connecting rod by inserting the setscrew nut of location hole, and the bottom of lower connecting rod is connected with described chamber electrode, and the upper end of lower connecting rod is relative fixing with the bottom of described isolated insulation; Described high pressure ring electrode is fixed on upper connecting rod, and the bottom of upper connecting rod is relative fixing with the top of described isolated insulation, and the upper end of upper connecting rod is provided with wire clamp, and overhead transmission line is through wire clamp.
CN201420051143.0U 2014-01-25 2014-01-25 Integrated serial-connection gap-adjustable arc-blowing distribution line lightning protection device Withdrawn - After Issue CN203722173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420051143.0U CN203722173U (en) 2014-01-25 2014-01-25 Integrated serial-connection gap-adjustable arc-blowing distribution line lightning protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420051143.0U CN203722173U (en) 2014-01-25 2014-01-25 Integrated serial-connection gap-adjustable arc-blowing distribution line lightning protection device

Publications (1)

Publication Number Publication Date
CN203722173U true CN203722173U (en) 2014-07-16

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103812009A (en) * 2014-01-24 2014-05-21 广州供电局有限公司 Serially adjustable gap puffer type lightning arrester for overhead transmission line
CN104779522A (en) * 2015-04-08 2015-07-15 国家电网公司 Lightning dredger with insulator function
CN105529617A (en) * 2016-01-05 2016-04-27 北京乾源风电科技有限公司 Line lightning arrester
CN106887288A (en) * 2017-03-08 2017-06-23 河南省德立泰高压电瓷电器有限公司 A kind of rain-proof lightning protection insulator
CN107677881A (en) * 2017-10-18 2018-02-09 南阳金牛电气有限公司 A kind of operation counter for multi-chamber arc extinguishing lightning protection device of connecting
CN107834357A (en) * 2017-10-18 2018-03-23 南阳金牛电气有限公司 One kind series connection multi-chamber arc extinguishing lightning protection device
CN109638650A (en) * 2018-11-28 2019-04-16 国家电网有限公司 One kind being based on multi-chamber line thunder protection device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103812009A (en) * 2014-01-24 2014-05-21 广州供电局有限公司 Serially adjustable gap puffer type lightning arrester for overhead transmission line
CN104779522A (en) * 2015-04-08 2015-07-15 国家电网公司 Lightning dredger with insulator function
CN105529617A (en) * 2016-01-05 2016-04-27 北京乾源风电科技有限公司 Line lightning arrester
CN105529617B (en) * 2016-01-05 2017-06-06 北京乾源风电科技有限公司 A kind of leakage conductor
CN106887288A (en) * 2017-03-08 2017-06-23 河南省德立泰高压电瓷电器有限公司 A kind of rain-proof lightning protection insulator
CN107677881A (en) * 2017-10-18 2018-02-09 南阳金牛电气有限公司 A kind of operation counter for multi-chamber arc extinguishing lightning protection device of connecting
CN107834357A (en) * 2017-10-18 2018-03-23 南阳金牛电气有限公司 One kind series connection multi-chamber arc extinguishing lightning protection device
CN109638650A (en) * 2018-11-28 2019-04-16 国家电网有限公司 One kind being based on multi-chamber line thunder protection device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140716

Effective date of abandoning: 20151013

AV01 Patent right actively abandoned

Granted publication date: 20140716

Effective date of abandoning: 20151013

C20 Patent right or utility model deemed to be abandoned or is abandoned