CN208209240U - A kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line - Google Patents

A kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line Download PDF

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Publication number
CN208209240U
CN208209240U CN201820693297.8U CN201820693297U CN208209240U CN 208209240 U CN208209240 U CN 208209240U CN 201820693297 U CN201820693297 U CN 201820693297U CN 208209240 U CN208209240 U CN 208209240U
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insulator
conducting wire
connector
protection device
lightning
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CN201820693297.8U
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Chinese (zh)
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桑仲明
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Trigo (tianjin) Technology Co Ltd
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Trigo (tianjin) Technology Co Ltd
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Abstract

The utility model relates to a kind of plural serial stage multi-chamber lightning protection devices for 110kV high voltage transmission line, including insulator, steel tower connector, wire connector, conducting wire termination electrode and lightning arrester body, wherein, the upper end of insulator is provided with steel tower connector, lower end is connect by wire connector with external conducting wire, conducting wire termination electrode is fixed on conducting wire, the upper end of lightning arrester body is fixedly connected with the upper end of insulator, lightning arrester body and insulator are in 45° angle, and the lower end of lightning arrester body and conducting wire termination electrode form outer discharging gap.The beneficial effects of the utility model are: the lightning protection device is not subject to system voltage and system operatio overvoltage using plural serial stage the air gap, enhances reliability and prolong the service life, and reduce maintenance cost;It is stable discharge, reliable with good acting characteristic;It is easy for installation, simple, firm.

Description

A kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line
Technical field
The utility model relates to arrester technical fields, and in particular to a kind of multistage string for 110kv high voltage transmission line Join multi-chamber lightning protection device.
Background technique
At present the distribution line lightning protection of China only has mainly using the Zinc-Oxide Arrester product of single gap There is a air gap between ontology and conducting wire.
For example, Authorization Notice No. is the Chinese utility model patent of 206877773 U of CN, discloses a kind of 10kV and fix External series gap lightning arrester, including insulator assembly, insulating boot, lightning arrester assembly and starting rod;The insulator assembly includes It is formed after wire clamp, insulation mandrel, briquetting and starting rod, the wire clamp upper end and the briquetting pairing for fixing high-voltage connection Cavity;The lightning arrester assembly includes zinc oxide valve plate, high pressure end flanges, low pressure end flanges and discharge ball, the discharge ball The discharge electrode of hemispherical discharge electrode and the starting rod forms fixed discharging gap.
In another example Authorization Notice No. is the Chinese utility model patent of 205140662 U of CN, discloses and connect outside one kind The arrester in gap, including leading-drawing rod, leading-drawing rod is interior to be equipped with circuit control panel, and leading-drawing rod is connected with insulated conductor, insulated conductor One end connect with leading-drawing rod, one end of insulated conductor passes through leading-drawing rod, and the other end of insulated conductor is free end, insulated conductor For bending;One end of insulated conductor is equipped with the first locknut, and the end lateral wall of leading-drawing rod, insulated conductor is arranged in the first locknut One end be equipped with the second locknut, the outside of the first locknut is arranged in the second locknut;Resistor disc, resistor disc and electricity are equipped in leading-drawing rod Road control panel be electrical connection, leading-drawing rod be equipped with first electrode, second electrode and third electrode, first electrode, second electrode with And third electrode is sequentially connected, first electrode, second electrode and third electrode are respectively to be electrically connected with circuit control panel;Pulling Stick is equipped with discharging gap and falls bar.
There is following disadvantages for the above-mentioned prior art: due to only one the air gap, lightning discharge is unstable, arc extinguishing energy The not strong disadvantage of power;Installation is inconvenient, and durability against pollution is not strong, seriously affects electricity consumption line security and lightning protection device service life;It can only It runs to based on 10kv route.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of multistage for 110kv high voltage transmission line Series connection multi-chamber lightning protection device.
The technical solution of the utility model is: a kind of plural serial stage multi-chamber lightning protection dress for 110kv high voltage transmission line It sets, including insulator, steel tower connector, wire connector, conducting wire termination electrode and lightning arrester body, wherein the upper end of insulator It is provided with steel tower connector, lower end is connect by wire connector with external conducting wire, and conducting wire termination electrode is fixed on conducting wire, is kept away The upper end of thunder device ontology is fixedly connected with the upper end of insulator, and lightning arrester body and insulator are in 45° angle, under lightning arrester body End forms outer discharging gap with conducting wire termination electrode;
Lightning arrester body includes insulation mandrel, increases and climb full skirt, interior discharge electrode, arc-chutes, external electrode, arrester connection Part, wherein insulation mandrel is cylindrical body, several arc-chutes are evenly arranged on insulation mandrel and full skirt is climbed in several increasings, interior Discharge electrode shares 4, and 4 interior discharge electrodes are divided into 2 pairs and divide equally setting on insulation mandrel, shape between every internal discharge electrode At interior discharging gap, the upper end of insulation mandrel is provided with arrester connector, and lower end is provided with outer discharge electrode, lightning arrester body It is fixedly connected by arrester connector with the upper end of insulator, lightning arrester body passes through outer discharge electrode and conducting wire termination electrode shape At outer discharging gap.
Further, insulator is 110kv insulator.
Further, interior discharging gap is 2~7mm.
Further, outer discharging gap is 5~10mm.
Further, it is 3~10cm that the spacing of full skirt is climbed in adjacent increasing.
The beneficial effect of lightning protection device described in the utility model is:
1. herein described lightning protection device uses plural serial stage the air gap, it is not subject to system voltage and system operatio is excessively electric Pressure enhances reliability and prolongs the service life, and reduces maintenance cost;
It is stable discharge, reliable 2. herein described lightning protection device has a good acting characteristic;
3. herein described lightning protection device is easy for installation, simple, firm;
4. the spacing size of the interior discharging gap of herein described lightning protection device setting and the spacing of outer interior discharging gap are big Small is the optimum data obtained by applicant after nearly thousand simulated experiments of several years and true experiment actual for several times.It achieves The practical effect of highly significant;
It is equally the section that applicant passes through long-term 5. full skirt spacing size is climbed in the increasing of herein described lightning protection device setting The fruits of mental labor learning experiment and obtaining.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lightning protection device described in the utility model.
Fig. 2 is the structural schematic diagram of the lightning arrester body of lightning protection device described in the utility model.
In figure shown in label: 1- insulator, 2- steel tower connector, 3- wire connector, 4- conducting wire termination electrode, 5- arrester Full skirt, discharge electrode in 53-, 54- arc-chutes, the outer discharge electrode of 55-, 56- arrester are climbed in ontology, 51- insulation mandrel, 52- increasing Connector, discharging gap in 57-, 6- conducting wire, the outer discharging gap of 7-.
Specific embodiment
Specific embodiment of the present utility model is described in further details with reference to the accompanying drawings of the specification.
As shown in Figure 1, lightning protection device described in the utility model, including insulator 1, steel tower connector 2, wire connector 3, Conducting wire termination electrode 4 and lightning arrester body 5, wherein the upper end of insulator 1 is provided with steel tower connector 2, steel tower connector 2 and outer The steel tower in portion is fixedly connected, and the lower end of insulator 1 is connect by wire connector 3 with external conducting wire 6, and conducting wire termination electrode 4 is solid It is scheduled on conducting wire 6, the upper end of lightning arrester body 5 is fixedly connected with the upper end of insulator 1, and lightning arrester body 5 is in insulator 1 45° angle, the lower end of lightning arrester body 5 and conducting wire termination electrode 4 form outer discharging gap 7;
As shown in Fig. 2, lightning arrester body 5 include insulation mandrel 51, increase climb full skirt 52, interior discharge electrode 53, arc-chutes 54, Outer discharge electrode 55, arrester connector 56, wherein insulation mandrel 51 is cylindrical body, if being evenly arranged on insulation mandrel 51 It does an arc-chutes 54 and full skirt 52 is climbed in several increasings, interior discharge electrode 53 shares 4, and 4 interior discharge electrodes 53 divide for 2 pairs and equal Set up separately and set on insulation mandrel 51, forms interior discharging gap 57 between every internal discharge electrode 53, the upper end of insulation mandrel 51 is set It is equipped with arrester connector 56, lower end is provided with outer discharge electrode 55, and lightning arrester body 5 passes through arrester connector 56 and insulation The upper end of son 1 is fixedly connected, and lightning arrester body 5 forms outer discharging gap 7 with conducting wire termination electrode 4 by outer discharge electrode 55.
Further, insulator 1 is 110kv insulator.
Further, interior discharging gap 57 is 2~7mm.
Further, outer discharging gap 7 is 5~10mm.
Further, it is 3~10cm that the spacing of full skirt 52 is climbed in adjacent increasing.
The working principle of the utility model is: when lightning surge is applied to multiple short air gap arc-control device and breakdown electrode Between the air gap when, multiple arc-chutes and external big discharging gap can turn the big electric arc that high-power lightning surge generates It is melted into a large amount of small electric arc, these small electric arcs are expelled in surrounding air by the arc-chutes between two adjacent electrodes again;? The power-frequency voltage being added on device when gap is breakdown can generate power frequency continued flow along arc channel, and external series gap increases ontology entirety Voltage endurance capability;Since the elongation in arc-chutes internal electrode channel increases the all-in resistance in channel, the i.e. all-in resistance of arc-control device, from And current amplitude is limited, meanwhile, the arc blowing function of air accelerates the cooling of electric arc, is conducive to the quick extinguishing of electric arc.
The utility model is not limited to the above embodiment, without departing substantially from the utility model in essence content, this Any deformation, improvement, the replacement that field technical staff is contemplated that each fall within the protection scope of the utility model.

Claims (5)

1. a kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line, including the connection of insulator (1), steel tower Part (2), wire connector (3), conducting wire termination electrode (4) and lightning arrester body (5), wherein the upper end of insulator (1) is provided with iron Tower connector (2), lower end are connect by wire connector (3) with external conducting wire (6), and conducting wire termination electrode (4) is fixed on conducting wire (6) on, the upper end of lightning arrester body (5) is fixedly connected with the upper end of insulator (1), and lightning arrester body (5) is in insulator (1) 45° angle, the lower end and conducting wire termination electrode (4) of lightning arrester body (5) form outer discharging gap (7);
Lightning arrester body (5) includes insulation mandrel (51), increases and climb full skirt (52), interior discharge electrode (53), arc-chutes (54), put outside Electrode (55), arrester connector (56), wherein insulation mandrel (51) is cylindrical body, and insulation mandrel is uniformly arranged on (51) There are several arc-chutes (54) and several increasings to climb full skirt (52), interior discharge electrode (53) shares 4,4 interior discharge electrodes (53) it is divided into 2 pairs and divides equally and be arranged on insulation mandrel (51), forms interior discharging gap between every internal discharge electrode (53) (57), the upper end of insulation mandrel (51) is provided with arrester connector (56), and lower end is provided with outer discharge electrode (55), arrester Ontology (5) is fixedly connected by arrester connector (56) with the upper end of insulator (1), and lightning arrester body (5) passes through outer electric discharge Electrode (55) and conducting wire termination electrode (4) form outer discharging gap (7).
2. lightning protection device according to claim 1, which is characterized in that insulator (1) is 110kv insulator.
3. lightning protection device according to claim 1, which is characterized in that interior discharging gap (57) is 2~7mm.
4. lightning protection device according to claim 1, which is characterized in that outer discharging gap (7) is 5~10mm.
5. lightning protection device according to claim 1, which is characterized in that adjacent increasing climb full skirt (52) spacing be 3~ 10cm。
CN201820693297.8U 2018-05-10 2018-05-10 A kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line Active CN208209240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820693297.8U CN208209240U (en) 2018-05-10 2018-05-10 A kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820693297.8U CN208209240U (en) 2018-05-10 2018-05-10 A kind of plural serial stage multi-chamber lightning protection device for 110kV high voltage transmission line

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CN208209240U true CN208209240U (en) 2018-12-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU199041U1 (en) * 2019-12-17 2020-08-11 Акционерное общество "НПО "Стример" MULTI-CHAMBER ARRESTER WITH RIBS AND Cuts ALONG THE INSULATING BODY
CN111739702A (en) * 2020-05-11 2020-10-02 国网浙江江山市供电有限公司 Lightning protection flashover protector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU199041U1 (en) * 2019-12-17 2020-08-11 Акционерное общество "НПО "Стример" MULTI-CHAMBER ARRESTER WITH RIBS AND Cuts ALONG THE INSULATING BODY
CN111739702A (en) * 2020-05-11 2020-10-02 国网浙江江山市供电有限公司 Lightning protection flashover protector

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