CN208062492U - A kind of plural serial stage multi-chamber lightning protection device for 220kv high voltage transmission lines - Google Patents
A kind of plural serial stage multi-chamber lightning protection device for 220kv high voltage transmission lines Download PDFInfo
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- CN208062492U CN208062492U CN201820694352.5U CN201820694352U CN208062492U CN 208062492 U CN208062492 U CN 208062492U CN 201820694352 U CN201820694352 U CN 201820694352U CN 208062492 U CN208062492 U CN 208062492U
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- insulator
- arrester body
- lightning arrester
- lightning
- protection device
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Abstract
The utility model is related to a kind of plural serial stage multi-chamber lightning protection devices for 220kv high voltage transmission lines, wherein, the upper end of insulator is provided with steel tower connector, steel tower connector is fixedly connected with external steel tower, the lower end of insulator is connect by wire connector with external conducting wire, the upper end of upper lightning arrester body is fixedly connected with the upper end of insulator and is in 45° angle with insulator, the upper end of lower lightning arrester body is fixedly connected with the lower end of insulator and is in 45° angle with insulator, and outer discharging gap is formed between upper lightning arrester body and lower lightning arrester body.The utility model has the beneficial effects that：Using plural serial stage the air gap, the lightning protection device is not subject to system voltage and system operatio overvoltage, enhances reliability and prolongs the service life, and reduces maintenance cost；It is stable discharge, reliable with good acting characteristic；It is easy for installation, simple, firm.
Description
Technical field
The utility model is related to arrester technical fields, and in particular to a kind of multistage string for 220kv high voltage transmission lines
Join multi-chamber lightning protection device.
Background technology
At present the distribution line lightning protection of China only has mainly using the Zinc-Oxide Arrester product of single gap
There are one the air gaps 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
Wire clamp, insulation mandrel, briquetting and starting rod, the wire clamp upper end are formed with after 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 ball discharge, the ball discharge
Hemispherical discharge electrode and the discharge electrode of the starting rod form 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 in leading-drawing rod, insulated conductor is arranged in the first locknut
One end be equipped with the second locknut, the second locknut is arranged in the outside of the first 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 falls bar equipped with discharging gap.
There is following disadvantages for the above-mentioned prior art：Due to only there are 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 circuits.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of multistage for 220kv high voltage transmission lines
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 for 220kv high voltage transmission lines fills
It sets, including insulator, steel tower connector, wire connector, upper lightning arrester body and lower lightning arrester body, wherein insulator
Upper end is provided with steel tower connector, and steel tower connector is fixedly connected with external steel tower, and the lower end of insulator is connected by conducting wire
Part is connect with external conducting wire, and the upper end of upper lightning arrester body is fixedly connected with the upper end of insulator and is in 45° angle with insulator,
The upper end of lower lightning arrester body is fixedly connected with the lower end of insulator and is in 45° angle with insulator, and upper lightning arrester body is kept away under
Outer discharging gap is formed between thunder device ontology；
Lower 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 cylinder, 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, upper arrester sheet
Body is identical with the lower structure of lightning arrester body, upper lightning arrester body and lower lightning arrester body by arrester connector with
The top and bottom of insulator are respectively fixedly connected with, and upper lightning arrester body is formed with lower lightning arrester body by outer discharge electrode outer
Discharging gap.
Further, insulator is 220kv insulators.
Further, interior discharging gap is 2~7mm.
Further, outer discharging gap is 15~25cm.
Further, increase and climb the spacing of full skirt as 3~10cm.
The advantageous 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 and the spacing of outer interior discharging gap of the interior discharging gap of herein described lightning protection device setting are big
Small is the optimum data obtained after nearly thousand simulated experiments of several years and true experiment actual for several times by applicant.It achieves
The practical effect of highly significant；
Equally it is 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 learned experiment and obtained.
Description of the drawings
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- insulators, 2- steel tower connectors, 3- wire connectors, 4- upper lightning arrester bodies are kept away under 5-
Thunder device ontology, 51- insulation mandrels, 52-, which increases, climbs full skirt, discharge electrode in 53-, 54- arc-chutes, and the outer discharge electrodes of 55-, 56- is kept away
Thunder device connector, discharging gap in 57-, 6- conducting wires, the outer discharging gaps of 7-.
Specific implementation mode
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,
Upper lightning arrester body 4 and lower lightning arrester body 5, wherein the upper end of insulator 1 is provided with steel tower connector 2, steel tower connector 2
It is fixedly connected with external steel tower, the lower end of insulator 1 is connect by wire connector 3 with external conducting wire 6, upper arrester sheet
The upper end of body 4 is fixedly connected with the upper end of insulator 1 and is in 45° angle, the upper end of lower lightning arrester body 5 and insulation with insulator 1
The lower end of son 1 is fixedly connected and is in 45° angle with insulator 1, and outer put is formed between upper lightning arrester body 4 and lower lightning arrester body 5
Electric gap 7；
As shown in Fig. 2, lower lightning arrester body 5 includes insulation mandrel 51, increases and climb full skirt 52, interior discharge electrode 53, arc-chutes
54, outer discharge electrode 55, arrester connector 56, wherein insulation mandrel 51 is cylinder, is evenly arranged on insulation mandrel 51
Full skirt 52 is climbed in several arc-chutes 54 and several increasings, and interior discharge electrode 53 shares 4, and 4 interior discharge electrodes 53 divide for 2 pairs simultaneously
Respectively it is arranged on insulation mandrel 51, per discharging gap 57 in being formed between internal discharge electrode 53, the upper end of insulation mandrel 51
Be provided with arrester connector 56, lower end is provided with outer discharge electrode 55, lower lightning arrester body 5 by arrester connector 56 with
The upper end of insulator 1 is fixedly connected, and upper lightning arrester body 4 is identical with the structure of lower lightning arrester body 5, upper lightning arrester body
4 and lower lightning arrester body 5 be respectively fixedly connected with by arrester connector 56 and the top and bottom of insulator 1, it is upper lightning-arrest
Device ontology 4 forms outer discharging gap 7 with lower lightning arrester body 5 by outer discharge electrode 55.
Further, insulator 1 is 220kv insulators.
Further, interior discharging gap 57 is 2~7mm.
Further, outer discharging gap 7 is 15~25cm.
Further, increase and climb the spacing of full skirt 52 as 3~10cm.
The operation 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
The a large amount of small electric arc of chemical conversion, these small electric arcs are expelled to by the arc-chutes between two adjacent electrodes in surrounding air again；?
The power-frequency voltage being added in when gap is breakdown on device 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 technology personnel are contemplated that each fall within the scope of protection of the utility model.
Claims (6)
1. a kind of plural serial stage multi-chamber lightning protection device for 220kv high voltage transmission lines, including the connection of insulator (1), steel tower
Part (2), wire connector (3), upper lightning arrester body (4) and lower lightning arrester body (5), wherein the upper end of insulator (1) is arranged
There are steel tower connector (2), the lower end of insulator (1) to be connect with external conducting wire (6) by wire connector (3), feature exists
In the upper end of upper lightning arrester body (4) is fixedly connected with the upper end of insulator (1) and is in 45° angle with insulator (1), lower lightning-arrest
The upper end of device ontology (5) is fixedly connected with the lower end of insulator (1) and is in 45° angle, upper lightning arrester body (4) with insulator (1)
Outer discharging gap (7) is formed between lower lightning arrester body (5).
2. lightning protection device according to claim 1, which is characterized in that lower lightning arrester body (5) include insulation mandrel (51),
Full skirt (52), interior discharge electrode (53), arc-chutes (54), outer discharge electrode (55), arrester connector (56) are climbed in increasing, wherein
Insulation mandrel (51) is cylinder, is evenly arranged with several arc-chutes (54) on insulation mandrel (51) and full skirt is climbed in several increasings
(52), interior discharge electrode (53) shares 4, and 4 interior discharge electrodes (53), which are divided into 2 pairs and divide equally, to be arranged in insulation mandrel (51)
On, interior discharging gap (57) is formed between every internal discharge electrode (53), the upper end of insulation mandrel (51) is provided with arrester company
Fitting (56), lower end are provided with outer discharge electrode (55), and lightning arrester body (5) passes through arrester connector (56) and insulator
(1) upper end is fixedly connected, and upper lightning arrester body (4) is identical with the lower structure of lightning arrester body (5), upper lightning arrester body
(4) connect by the way that the top and bottom of arrester connector (56) and insulator (1) are fixed respectively with lower lightning arrester body (5)
It connects, upper lightning arrester body (4) forms outer discharging gap (7) with lower lightning arrester body (5) by outer discharge electrode (55).
3. lightning protection device according to claim 1, which is characterized in that insulator (1) is 220kv insulators.
4. lightning protection device according to claim 2, which is characterized in that interior discharging gap (57) is 2~7mm.
5. lightning protection device according to claim 1, which is characterized in that outer discharging gap (7) is 15~25cm.
6. lightning protection device according to claim 2, which is characterized in that increase and climb the spacing of full skirt (52) as 3~10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694352.5U CN208062492U (en) | 2018-05-10 | 2018-05-10 | A kind of plural serial stage multi-chamber lightning protection device for 220kv high voltage transmission lines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694352.5U CN208062492U (en) | 2018-05-10 | 2018-05-10 | A kind of plural serial stage multi-chamber lightning protection device for 220kv high voltage transmission lines |
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| CN208062492U true CN208062492U (en) | 2018-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400524A (en) * | 2018-05-10 | 2018-08-14 | 特瑞格（天津）科技有限公司 | A kind of plural serial stage multi-chamber lightning protection device for 220kV high voltage transmission lines |
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2018
- 2018-05-10 CN CN201820694352.5U patent/CN208062492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400524A (en) * | 2018-05-10 | 2018-08-14 | 特瑞格（天津）科技有限公司 | A kind of plural serial stage multi-chamber lightning protection device for 220kV high voltage transmission lines |
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