CN204303474U - Be exclusively used in the suspension type of dc disc shape bell shape porcelain composite insulator of 420KN - Google Patents
Be exclusively used in the suspension type of dc disc shape bell shape porcelain composite insulator of 420KN Download PDFInfo
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- CN204303474U CN204303474U CN201420732719.XU CN201420732719U CN204303474U CN 204303474 U CN204303474 U CN 204303474U CN 201420732719 U CN201420732719 U CN 201420732719U CN 204303474 U CN204303474 U CN 204303474U
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- insulator
- porcelain
- disc
- composite insulator
- bell shape
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Abstract
The utility model discloses a kind of suspension type of dc disc shape bell shape porcelain composite insulator being exclusively used in 420KN, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 350mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.By forming the external insulation parts of the thick sulfuration of 6mm at insulator surface, increase substantially suspension type of dc disc shape bell shape porcelain composite insulator steep wave tolerance, can by the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage examinations; Determine through artificial pollution test, disc suspension bell shape porcelain composite insulator has good anti-pollution characteristic under the filth of IV level, close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
Description
Technical field
The utility model belongs to cap and pin insulator technical field, particularly relates to a kind of suspension type of dc disc shape bell shape porcelain composite insulator being exclusively used in 420KN.
Background technology
Current, many provinces and cities of China, when especially the meteorological condition such as sleet, snow melt occurs the transmission line of provinces and cities in the north in the winter time, the insulator string that there will be vertical suspension is slipped bridge joint phenomenon by ice, the dielectric strength of the insulator string be bridged significantly reduces, and very easily flashover fault occurs.
For avoiding insulator string to be slipped bridge joint by ice, the multiple directions of people to insulator technology are developed, and wherein, tremble ripple tolerance and the anti-pollution ability that improve insulator become a Main way in people's research.
Summary of the invention
The purpose of this utility model is to provide a kind of suspension type of dc disc shape bell shape porcelain composite insulator being exclusively used in 420KN, trembles ripple tolerance and anti-pollution ability with what improve insulator.
In order to realize the purpose of this utility model, the utility model provides a kind of suspension type of dc disc shape bell shape porcelain composite insulator being exclusively used in 420KN, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 350mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.
The utility model, compared with prior art, the external insulation parts of the thick sulfuration of 6mm are formed at insulator surface by optimization silicone rubber formulations and processing technology, increase substantially suspension type of dc disc shape bell shape porcelain composite insulator steep wave tolerance, can by the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage examinations; Because high temperature silicone rubber formula is unique, technique is advanced, the sulphurated siliastic umbrella cover of 6 millimeters thick formed is determined through artificial pollution test, disc suspension bell shape porcelain composite insulator has good anti-pollution characteristic under the filth of IV level, close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1-steel cap, 2-porcelain umbrella disk, 3-groove, 4-steel pin, 5-sulphurated siliastic umbrella cover.
Embodiment
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the utility model is further elaborated.Should be understood to specific embodiment described herein only in order to explain the utility model, be not limited to protection range of the present utility model.
As shown in Figure 1, the utility model provides a kind of suspension type of dc disc shape bell shape porcelain composite insulator being exclusively used in 420KN, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 350mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.
420KN suspension type of dc disc shape bell shape porcelain composite insulator is according to the definition of Q/GDW 167-2007 to insulator name of product, carry out technical thought expansion to innovate with product structure: based on traditional direct current standard disc suspension bell shape porcelain insulator, develop a kind of Novel DC disc suspension bell shape porcelain composite insulator being applicable to direct-current ultra high voltage transmission line, high filthy area.By standard suspension type of dc disc shape bell shape porcelain or glass insulator high-temperature silicon disulfide rubber, porcelain umbrella disk and groove special formulation high-temperature silicon disulfide rubber are wrapped up comprehensively, adopt the low-temp low-pressure technology vulcanizing mold of original creation molded, form the sulphurated siliastic umbrella cover of 6 millimeters thick.
Wherein, compound umbrella cover insulating material refers to the external insulation parts forming the thick sulfuration of 6mm by optimizing silicone rubber formulations and processing technology at insulator surface, increase substantially suspension type of dc disc shape bell shape porcelain composite insulator steep wave tolerance, can by the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage examinations.
Because high temperature silicone rubber formula is unique, technique is advanced, the sulphurated siliastic umbrella cover of 6 millimeters thick formed is determined through artificial pollution test, disc suspension bell shape porcelain composite insulator has good anti-pollution characteristic under the filth of IV level, close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
The product that the utility model provides, meets GB/T19443-2004 " nominal voltage is higher than the overhead transmission line insulator-direct current system porcelain of 1000V or glass insulation sub-element-definition, test method and acceptance criteria " requirement.Room temperature vulcanized silicone rubber used, sealing compound, related request by DL/T 627 " Prospect on RTV of Solidified Silicon Rubber in Normal Temperature for Insulator " standard.The utility model suspension type of dc disc shape bell shape porcelain composite insulator, meet Q/GDW167-2007 " direct current system dish type porcelain or glass compound full skirt insulator element ", " nominal voltage is higher than 1000V overhead transmission line composite insulator-definition for GB/T19519-2004, test method and acceptance criteria " and GB/T 1001.1-2003 " nominal voltage is higher than the direct current overhead transmission line composite insulator-definition of 1000V, test method and acceptance criteria ", the related request of DL/T-2006 " nominal voltage uses directive/guide part 1 higher than 1000V overhead transmission line insulator: direct current system porcelain or glass insulator " DL/T810-2012 " ± 500kV and above direct current composite rod insulator technical conditions " etc.
The utility model, except meeting above-mentioned requirements, also reaches following requirement:
1. impulse breakdown resistance test in air after poach, meets the requirement of " GB/T20642-2006 " standard, according to the porcelain composite insulator of amplitude method by 2.85 times of negative polarity lightning impulse voltage steep waves examinations;
2. by the accelerated aging test of 1000 hours;
3. close with under the close condition of ash at identical salt, the resistance to pollution flashover ability of disc suspension bell shape porcelain composite insulator is at least 1.8 times of disc suspension bell shape porcelain insulator.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (1)
1. one kind is exclusively used in the suspension type of dc disc shape bell shape porcelain composite insulator of 420KN, it is characterized in that, comprise: steel cap, porcelain umbrella disk, groove and steel pin, the dish footpath of described insulator is 350mm, the creepage distance of described insulator is 550mm, wherein, described porcelain umbrella disk and groove are enclosed with the thick sulphurated siliastic umbrella cover of 6mm comprehensively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732719.XU CN204303474U (en) | 2014-11-27 | 2014-11-27 | Be exclusively used in the suspension type of dc disc shape bell shape porcelain composite insulator of 420KN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732719.XU CN204303474U (en) | 2014-11-27 | 2014-11-27 | Be exclusively used in the suspension type of dc disc shape bell shape porcelain composite insulator of 420KN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303474U true CN204303474U (en) | 2015-04-29 |
Family
ID=53108996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732719.XU Expired - Fee Related CN204303474U (en) | 2014-11-27 | 2014-11-27 | Be exclusively used in the suspension type of dc disc shape bell shape porcelain composite insulator of 420KN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303474U (en) |
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2014
- 2014-11-27 CN CN201420732719.XU patent/CN204303474U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20181127 |