CN2935400Y - Antifouling flashover insulator - Google Patents

Antifouling flashover insulator Download PDF

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Publication number
CN2935400Y
CN2935400Y CN 200620043584 CN200620043584U CN2935400Y CN 2935400 Y CN2935400 Y CN 2935400Y CN 200620043584 CN200620043584 CN 200620043584 CN 200620043584 U CN200620043584 U CN 200620043584U CN 2935400 Y CN2935400 Y CN 2935400Y
Authority
CN
China
Prior art keywords
insulator
coat
organosilicon
equipment
utility
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.)
Expired - Fee Related
Application number
CN 200620043584
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Chinese (zh)
Inventor
曾乐才
廖文俊
魏铮
祝铭
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.)
SHANGHAI ELECTRIC-PORCELAIN WORKS
Shanghai Electric Group Corp
Original Assignee
SHANGHAI ELECTRIC-PORCELAIN WORKS
Shanghai Electric Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI ELECTRIC-PORCELAIN WORKS, Shanghai Electric Group Corp filed Critical SHANGHAI ELECTRIC-PORCELAIN WORKS
Priority to CN 200620043584 priority Critical patent/CN2935400Y/en
Application granted granted Critical
Publication of CN2935400Y publication Critical patent/CN2935400Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a high-voltage power transmission device, in paticular relating to an insulator. An anti- dirty flash insulator includes an insulator. The layer of the organic silicone coating is painted on the surface of the insulator. The anti- dirty flash insulator of the utility model is lower price and reliable performance and is not limited subject to objective condition.

Description

Antifouling flash insulator
Technical field
The utility model relates to high voltage power transmission equipment, relates in particular to a kind of insulator.
Background technology
Insulator is the defeated vitals that becomes in the station equipment of high pressure, is mainly used among high voltage power transmission and transforming circuit and the various electric equipment, plays insulation, mechanical connection and support effect.The insulator that adopts on transmission line has plate-shaped suspension type and excellent type suspension type two big classes by the version branch, and presses dielectric substance classification, and three types of porcelain, glass, composite organic insulator are arranged.The power transmission and transformation equipment outer insulation pollution flashover that air pollution causes has caused serious harm to electric power system.China is vast in territory, and geographic climate changes greatly, and 2/3 area belongs to the high altitude localities, and also having a lot of places is the multiple districts of thunder and lightning, and icing, salt fog, birds droppings etc. cause that the problem of insulator string flashover is also very outstanding, have a strong impact on safe operation of power system.After pollution flashover accident took place, reclosing was difficult for, and causes large tracts of land to have a power failure for a long time, tends to cause great economic loss.。In the high voltage power transmission and transforming station track road in several insulator arc-over accidents to electric power system harm maximum to calculate pollution flashover accident.When pollution flashover took place, lightning arrester can not move, and the circuit breaker reclosing is difficult for successfully, and the loss that causes thus is nearly 10 times of lightning accident.
Traditional anti-pollution flashover measure: increase creep distance, clean insulator, install the full skirt cover additional, be coated with silicone oil, silicone grease, coating such as cured.
Adjustment equipment is creepage than apart from (be called for short transfer climb), transfers being extensive use of because of following reason restriction of the measure of climbing: transfer the expense of climbing to be difficult to bear; Change the higher equipment of structure height outside former leaded long, the sag of line conductor and converting equipment is increased, cause alternate or distance to the ground reduces; The site operation intractability of equipment replacement is very big, as not handling and will bringing hidden danger to safe operation.
The equipment cleaning, it is the original insulation level of restorer that power transmission and transforming equipment porcelain surface filth cleans, prevent the effective measures that pollution flashover accident takes place.But the cleaning overwhelming majority of grid equipment is adopt to have a power failure cleaning and meeting stops the measure that must sweep, and this kind behave is not only cleaned not thorough, and expends huge man power and material; Living water washing is subjected to washing used water quality, purging method, is rinsed insulator surface contamination amount, the strictness restriction of conditions such as charging equipment installation site and ambient temperature, wind direction on every side, takes place by the flashover fault towards equipment or nearby device; Compressed air piping and druming insulator surface is adopted in charged air-blowing cleaning, but air temperature rising after compression produces condensation, reduces the performance of facility main insulation, has a strong impact on the fail safe of live line working; There is not the problem in Living water washing, the charged air-blowing facility in charged mechanical dry cleaning, but existing charged mechanical sweeper adopts the pistol electric drill as power source, and the weight of facility is big, easily worn part is many, cleaning strength is little, the cleaning weak effect.Influenced by the weight etc. of implement structure design, insulating material, pistol electric drill formula scavenging machine can't be applicable to the cleaning work of 220kv and above equipment.
Install the full skirt cover additional, being coated with antifouling paint or installing the full skirt cover additional on equipment porcelain spare surface is the effective remedial measure that prevents the equipment pollution flashover, but the different and bonding quality problem of the material of full skirt cover, the full skirt that occurs in service overlaps phenomenons such as distortion, the limit of collapsing, bonding plane cracking, thereby influences be extensive use of [18] of this measure.
Before the eighties, be to improve converting equipment external insulation resistant and dodge ability, areas such as North China, northeast, Shandong once extensively adopted silicone oil, silicone grease, coating such as cured, anti-pollution flashover is played better effect, but the useful life of silicone oil is shorter, and ground is cured not to be suitable for limitation such as dust pollution district.
Summary of the invention
Problem to be solved in the utility model is existing insulator dirt-proof method expense height, and poor stability is subjected to the objective condition restriction, proposes a kind of antifouling flash insulator.The utility model antifouling flash insulator is cheap, and dependable performance is used not limited by objective condition.
The utility model is achieved in that a kind of antifouling flash insulator, comprises an insulator, it is characterized in that, there is one deck organosilicon coat on the surface of described insulator.
Described organosilicon coat is a nano-metal-oxide modified organic silicon coat.
Described organosilicon coat is nano-titanium dioxide modified organosilicon coat.
Described coat thickness is the 0.1-1 millimeter.
The utility model utilizes this coating to prevent insulator and causes the power transmission and transformation equipment outer insulation pollution flashover owing to be subjected to air pollution, thereby prevent that electric power system from causing serious harm at former insulator surface coating one deck organic silicon coating.Because complete coated insulation of coating, the insulator electric property is reliable, and because organosilicon material has fabulous weatherability, and is just coating before insulator is installed, and uses very conveniently, not limited by objective condition at all.
Description of drawings
Below in conjunction with accompanying drawing, provide embodiment of the present utility model:
Fig. 1 is a cutaway view of the present utility model.
Embodiment
As shown in Figure 1: a kind of antifouling flash insulator, comprise an insulator 1, there is one deck organosilicon coat 2 on the surface of described insulator.
Described organosilicon coat 2 is a nano-metal-oxide modified organic silicon coat, has intensity preferably.
Described organosilicon coat 2 is nano-titanium dioxide modified organosilicon coat, has excellent mechanical intensity and electric property.
In order to guarantee that coat 2 has certain intensity and electric property, described coat thickness is the 0.1-1 millimeter.

Claims (4)

1. an antifouling flash insulator comprises an insulator, it is characterized in that, there is one deck organosilicon coat on the surface of described insulator.
2. antifouling flash insulator according to claim 1 is characterized in that, described organosilicon coat is a nano-metal-oxide modified organic silicon coat.
3. antifouling flash insulator according to claim 2 is characterized in that, described organosilicon coat is nano-titanium dioxide modified organosilicon coat.
4. according to claim 1,2 or 3 described arbitrary antifouling flash insulators, described coat thickness is the 0.1-1 millimeter.
CN 200620043584 2006-07-03 2006-07-03 Antifouling flashover insulator Expired - Fee Related CN2935400Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620043584 CN2935400Y (en) 2006-07-03 2006-07-03 Antifouling flashover insulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620043584 CN2935400Y (en) 2006-07-03 2006-07-03 Antifouling flashover insulator

Publications (1)

Publication Number Publication Date
CN2935400Y true CN2935400Y (en) 2007-08-15

Family

ID=38352086

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620043584 Expired - Fee Related CN2935400Y (en) 2006-07-03 2006-07-03 Antifouling flashover insulator

Country Status (1)

Country Link
CN (1) CN2935400Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227071B (en) * 2007-11-29 2010-09-15 国网电力科学研究院 10 kV distribution line insulation tower head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227071B (en) * 2007-11-29 2010-09-15 国网电力科学研究院 10 kV distribution line insulation tower head

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070815

Termination date: 20150703

EXPY Termination of patent right or utility model