CN102969093A - Bell jar type disk-type composite insulator - Google Patents
Bell jar type disk-type composite insulator Download PDFInfo
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- CN102969093A CN102969093A CN2012105096533A CN201210509653A CN102969093A CN 102969093 A CN102969093 A CN 102969093A CN 2012105096533 A CN2012105096533 A CN 2012105096533A CN 201210509653 A CN201210509653 A CN 201210509653A CN 102969093 A CN102969093 A CN 102969093A
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- silicon rubber
- insulator
- toughened glass
- full skirt
- type composite
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Abstract
The invention discloses a bell jar type disk-type composite insulator, which is characterized by comprising a fitting seat, a binder, a toughened glass core, a coupling agent, a silicon rubber composite layer and silicon rubber extension umbrella skirt, downward-extending silicon rubber umbrella skirts composited on an inner umbrella skirt of toughened glass, a metal rod and a silicon rubber non-composited area around the metal rod. According to the invention, the silicon rubber non-composited area around the metal rod plays a role in preventing the zero-value crushing characteristic of the toughened glass from being blocked, and is favorable for routing inspection personnel of a line to find out fault points of the line immediately. Compared with the glass (ceramic) insulator of the same specification, the bell jar type disk-type composite insulator disclosed by the invention is light in weight and strong in self-cleaning capability, ensures that a power grid is free from maintenance during operation, has the advantage of reducing the operation cost of the power grid and is safe and reliable. Meanwhile, because of the large creepage distance of the single insulator, the bell jar type disk-type composite insulator is stronger in over-voltage resistance under the condition of not increasing the number of the insulator for a power transmission line, can be widely applied to 35KW-1000KW power transmission lines and has better economic benefits and social benefits.
Description
Technical field
The present invention relates to the electric power transmission road, transformer station and power plant, particularly with high pressure, the suspension insulator of superhigh pressure and ultra high voltage is relevant, specifically a kind of bell-shaped disc type composite insulator.
Background technology
Suspension insulator is the visual plant of transmission of electricity and transformer substation system, and used suspension insulator has pottery and glass suspension insulator, clavate synthetic insulator and dish-type composite insulator at present.
(1) pottery and glass suspension insulator, its material is hydrophily, in the power circuit running, the easy contamination of insulator surface is dirty, particularly be located in the filthy heavier area of environment, the safe operation of transmission line will be subject to serious threat, and the example of large-area power-cuts is a lot of owing to the filthy electrical network generation pollution flashover accident that causes in China, gives a lesson to very serious.For avoiding the generation of this type of accident, State Grid Corporation of China requires to utilize the power failure chance, and the insulator in its system is manually cleaned, and its workload is well imagined.(2) clavate synthetic insulator, the anti-soil that has improved transmission system and a transformer substation system dodges ability, but the length that this product is every is longer, synthetic insulator such as the 220KV transmission line, every string is grown up in two meters, the synthetic insulator of 500KV transmission line, and every string length is greater than four meters, ultra high voltage longer brought inconvenience for transportation and site operation.Larger risk is because clavate composite insulation substring bears the mechanical tensile strength of 70KV-300KV entirely by glass dimension rod wherein, in case glass dimension rod is impaired in transportation and work progress, hide some dangers for just must for the safe operation of electrical network, also once caused repeatedly accident because of such hidden danger to electrical network, (3) dish type composite insulator, this insulator is the new product of just developing several years ago appearance, advantage be the used silicone rubber applications of synthetic insulator on pottery or glass suspension insulator, overcome pottery or glass insulator hydrophily problem, improve anti-soil and dodged ability, but because silicon rubber is rolled in the inside entirely to ceramic core or glass core, in case insulator on transmission line for a long time through alternating voltage and mechanical pulling force, wind-force etc., and cause generation " null value ", this is the transmission line Common Accidents, and this insulator can only be under power down mode, and the people climbs up shaft tower and detects one by one screening, get rid of, the hunting workman can't estimate, otherwise " null value " insulator is buried potential safety hazard to electrical network for a long time.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, when a kind of advantage " null value " that can keep the glass disk insulator is provided, toughened glass can be revealed broken, cause disc type composite insulator distortion or fall, be conducive to these characteristics that the electric power patrolman finds, very strong self-cleaning ability is arranged again, avoid the bell-shaped disc type composite insulator of heavy pollution area transmission line generation pollution flashover accident.
Technical scheme of the present invention is achieved in that
A kind of bell-shaped disc type composite insulator, it is characterized in that by the gold utensil seat, adhesive, the toughened glass core, coupling agent, silicon rubber composite bed and silicon rubber extension full skirt, be compounded in the toughened glass also downward on the full skirt, outward extending silicon rubber full skirt, around metal pull bar and the metal pull bar not the composite silicone rubber district consist of, adhesive in the gold utensil seat chamber is Insulation stopping, with the toughened glass full skirt, the gold utensil seat, metal pull bar is combined as a whole, on the toughened glass full skirt, lower surface silicon composite layer rubber, and outwards form, to downward-extension silicon rubber full skirt, on the toughened glass, the contact-making surface of lower surface and silastic-layer is to produce molecular effect by coupling agent under HTHP, interpenetrate between the medium, silicon rubber and toughened glass chain strike up partnership, and toughened glass full skirt below is that the area of 30-50% around the metal pull bar is compounded rubber district not.The toughened glass core of bell-shaped composite insulator is a complete disk insulator.Silicon rubber external shed, interior full skirt are respectively one, two.
The present invention is applied to the strong advantage of the quick-fried broken characteristics of toughened glass insulator " null value " and silicon rubber hydrophobicity ultimate attainment, namely in service at power circuit, to cause indivedual insulators to produce " null value " (be between metal pedestal and the metal pull bar because insulator bears electric field and mechanical shock for a long time, originally be Xiang Hu Jue Green, having become " conducting ") toughened glass can be revealed broken and bead falls, make silicon rubber full skirt distortion or fall, the patrolman of power circuit can in time find, be conducive to the eliminating of fault, the most outstanding characteristics of this patent, realize non-maintainingly for a long time, greatly reduce the operating cost of electrical network.And " null value " fault of disk insulator is a kind of most common failure of electric power transmission line.The lookup method of prior art is to utilize the chance of line outage to detect one by one investigation, and workload is very big.The present invention compares pitch than larger with glass (pottery) Pan Shi Jue Green of same specification, in the 3.6-3.9 scope, can reduce thus the power transmission line power frequency probability of sustained arc, and the trip-out rate of the transient fault of transmission line is reduced, and improves the security reliability of electrical network.In order to guarantee the security reliability of electrical network 100%, its all technical must reach the requirement of country, and the specific targets project is such as the nominal creepage distance, linkage flag, the specified failing load of machinery, power frequency dry withstand voltage, power frequency wet withstand voltage, lightning impulse withstand voltage, impulse overvoltage punctures proof voltage, and minimum power frequency punctures proof voltage, radio interference 10KV, visual critical voltage, power frequency arc voltage etc.The present invention is widely used on the transmission line of combined-voltages at different levels of 35KV-1000KV, and its pulling force that bears is 70KN-760KN, has preferably economic benefit and social benefit.
Description of drawings
Fig. 1 is structural representation of the present invention, and Fig. 2 is the structural representation of looking up of Fig. 1.Fig. 3 is the structural representation of the present invention's distortion after " null value " occurs transmission line, Fig. 4 is existing disc type composite insulator structure schematic diagram, Fig. 5 is another kind of existing disc type composite insulator structure schematic diagram, among the figure 1, the gold utensil seat, 2, adhesive (inserts), 3, toughened glass or ceramic core, 4, coupling agent layer, 5, silicon rubber composite bed and silicon rubber extension full skirt, 6, be compounded in the toughened glass on the full skirt and to the downward full skirt of the silicon rubber of downward-extension, around 7 metal pull bars, 8 metal pull bars not composite silicone rubber zone (all modest expressions), 9, ceramic core, 10, the silicon rubber full skirt.The present invention has compared two places from Fig. 4 different, and the one, its glass core (pottery) itself is without full skirt, and toughened glass of the present invention (pottery) core is a complete glass (pottery) suspension insulator; The 2nd, it is ceramic core, also do not have any variation even produce " null value " its profile, and the present invention is the toughened glass core, near the not composite silicone rubber around the metal pull bar, in case " null value " toughened glass is scraped into bead and fallen, because above-mentioned difference, its function is also different.Fig. 5 is the existing another kind of disc type composite insulator in market, in silicon rubber is wrapped in glass (pottery) core entirely, does not have equally any profile variation when producing " null value ".
Embodiment
Embodiment 1
Bell-shaped disc type composite insulator, by gold utensil seat 1, adhesive 2 toughened glass cores 3, coupling agent 4, silicon rubber composite bed and silicon rubber extension full skirt 5, be compounded in the toughened glass on the full skirt and to the silicon rubber full skirt 6 of downward-extension, around metal pull bar 7 and the metal pull bar 7 not composite silicone rubber district 8 consist of, adhesive 2 in the gold utensil seat chamber is Insulation stopping, with toughened glass full skirt 3, gold utensil seat 1, metal pull bar 8 is combined as a whole, on the toughened glass full skirt 3, lower surface silicon composite layer rubber, and outwards form, to downward-extension silicon rubber full skirt, on the toughened glass, the contact-making surface of lower surface and silastic-layer is to produce molecular effect by coupling agent 4 under HTHP, interpenetrate between the medium, silicon rubber and toughened glass chain strike up partnership, and toughened glass core below is that the area of 30-50% around the metal pull bar 8 is composite silicone rubber district not.In case because the effect of electric field and mechanical shock causes indivedual disk insulators " null value ", its not the glassy zone of composite silicone rubber can reveal broken and fall.Cause the distortion of whole disk insulator or fall, for the tour personnel provide significantly indicia of defects.
Embodiment 2
Bell-shaped disc type composite insulator, it is characterized in that by gold utensil seat 1, adhesive 2, steel pottery cluster parachute 3, coupling agent 4, silicon rubber composite bed and silicon rubber extension full skirt 5, be compounded on the interior full skirt and to the silicon rubber full skirt 6 of downward-extension, around metal pull bar 7 and the metal pull bar 7 not composite silicone rubber district 8 consist of, adhesive 2 in the gold utensil seat chamber is Insulation stopping, with ceramic full skirt, the gold utensil seat, metal pull bar is combined as a whole, on the pottery full skirt, lower surface silicon composite layer rubber, and outwards form, to downward-extension silicon rubber full skirt, on the pottery, the contact-making surface of lower surface and silastic-layer is to produce molecular effect by coupling agent under HTHP, interpenetrate between the medium, silicon rubber and ceramic chain strike up partnership, and glass or ceramic core below is that the area of 30-50% around the metal pull bar is composite silicone rubber district not.When being in operation generation " null value ", the composite silicone rubber district does not have any distortion demonstration yet.But this patent is owing to be a complete ceramic insulator in the pottery, after silica gel is aging, the basic creepage distance of its ceramic disk insulator has, just the ability of anti-soil sudden strain of a muscle weakens to some extent, in case transmission line has little time to change insulator, the also not safe operation of entail dangers to transmission line, this is improved greatly with regard to more existing disc type porcelain core composite insulator coefficient of safety.
Claims (3)
1. bell-shaped disc type composite insulator, it is characterized in that by the gold utensil seat, adhesive, the toughened glass core, coupling agent, silicon rubber composite bed and silicon rubber extension full skirt, be compounded in the toughened glass on the full skirt and to the silicon rubber full skirt of downward-extension, around metal pull bar and the metal pull bar not the composite silicone rubber district consist of, adhesive in the gold utensil seat chamber is Insulation stopping, with the toughened glass full skirt, the gold utensil seat, metal pull bar is combined as a whole, on the toughened glass full skirt, lower surface silicon composite layer rubber, and outwards form, to downward-extension silicon rubber full skirt, on the toughened glass, the contact-making surface of lower surface and silastic-layer is to strike up partnership by the coupling agent chain, and there is a not compounded rubber district toughened glass full skirt below.
2. described bell-shaped disc type composite insulator according to claim 1 is characterized in that its glass (pottery) core is a complete disk insulator.
3. described bell-shaped disc type composite insulator according to claim 1 is characterized in that silicon rubber external shed, interior full skirt are respectively one, two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105096533A CN102969093A (en) | 2012-12-04 | 2012-12-04 | Bell jar type disk-type composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105096533A CN102969093A (en) | 2012-12-04 | 2012-12-04 | Bell jar type disk-type composite insulator |
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| CN102969093A true CN102969093A (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105096533A Pending CN102969093A (en) | 2012-12-04 | 2012-12-04 | Bell jar type disk-type composite insulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014186808A (en) * | 2013-03-22 | 2014-10-02 | Ngk Insulators Ltd | Suspension insulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660659Y (en) * | 2003-02-24 | 2004-12-01 | 赵辅 | Compound insulator |
| CN2711863Y (en) * | 2003-05-30 | 2005-07-20 | 赵辅 | Composite insulator |
| CN202126892U (en) * | 2011-07-19 | 2012-01-25 | 冯长富 | Hollow disc type composite insulator |
| CN102509591A (en) * | 2011-10-21 | 2012-06-20 | 天津市新玻电力复合绝缘子制造有限公司 | Composite insulator |
| CN202549513U (en) * | 2012-04-28 | 2012-11-21 | 冯长富 | Aerodynamic compound disk type insulator |
-
2012
- 2012-12-04 CN CN2012105096533A patent/CN102969093A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660659Y (en) * | 2003-02-24 | 2004-12-01 | 赵辅 | Compound insulator |
| CN2711863Y (en) * | 2003-05-30 | 2005-07-20 | 赵辅 | Composite insulator |
| CN202126892U (en) * | 2011-07-19 | 2012-01-25 | 冯长富 | Hollow disc type composite insulator |
| CN102509591A (en) * | 2011-10-21 | 2012-06-20 | 天津市新玻电力复合绝缘子制造有限公司 | Composite insulator |
| CN202549513U (en) * | 2012-04-28 | 2012-11-21 | 冯长富 | Aerodynamic compound disk type insulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014186808A (en) * | 2013-03-22 | 2014-10-02 | Ngk Insulators Ltd | Suspension insulator |
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Application publication date: 20130313 |