CN103618273B - Waterproof bus duct used in high temperature environment - Google Patents
Waterproof bus duct used in high temperature environment Download PDFInfo
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- CN103618273B CN103618273B CN201310469572.XA CN201310469572A CN103618273B CN 103618273 B CN103618273 B CN 103618273B CN 201310469572 A CN201310469572 A CN 201310469572A CN 103618273 B CN103618273 B CN 103618273B
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Abstract
The invention discloses a high temperature resistant waterproof bus duct used in a high temperature environment. The bus duct of the invention comprises a shell, and a plurality of current-carrying conductors; an insulating layer is arranged between adjacent current-carrying conductors; a heat conducting resin is filled with between the shell and the current-carrying conductor; and the heat conducting resin is made of a 107 silicone rubber, methyl silicone oil, a heat conducting filler, ethyl orthosilicate, and dibutyltin dilaurate. In the invention, the 107 silicone rubber is adopted as a base material of the heat conducting resin; the heat conducting fillers with different diameters, such as aluminum nitride, silicon nitride, boron nitride, silicon carbide, aluminum oxide, are selected; and the particle size of the filler is from 5 to 100 micrometers. The synergy effect between the silicone grease heat conducting resin and the different heat conducting fillers is used, so that the heat conducting resin obtains the highest heat conductivity coefficient and the lowest viscosity; and since the heat conducting fillers add, the heat conducting performance of the polymer resin layer of the bus duct is improved greatly, so that the bus duct operates in the more secure and stable manner.
Description
Technical field
The present invention relates to a kind of water proof bus bar slot, belong to the technical field of transmission facility.
Background technology
Along with emerging in large numbers of modernization project facility and equipment, the fast increasing of power consumption of all trades and professions, the most numerous high levels
Building and the appearance in large-sized workshop workshop, can not meet as in the biggest current delivery system of traditional cable of transmission pressure
Requirement, the used in parallel of multiway cable brings inconvenience to in-site installation construction connection.Bus duct is joined as one is novel
Electric lead arises at the historic moment.Traditional bus duct includes housing, current－carrying conductor, and current－carrying conductor is arranged in housing, in order to ensure mother
The insulating properties of wire casing, the spacing between adjacent current－carrying conductor is relatively big, realizes insulating by air, but water proof bus bar slot running
Middle can produce bigger heat, easily by air breakdown, destroy the insulating properties between current－carrying conductor；In order to solve this problem,
Recently the water proof bus bar slot occurred, generally fill insulant or at current－carrying conductor outer cladding insulating barrier between current－carrying conductor,
Insulant of the prior art or insulating barrier are usually ceramic coating or sulphurated siliastic layer, the water proof bus bar slot of this structure,
Although the insulating properties making bus increase, but owing to the resistance to elevated temperatures of these insulating coatings is poor, it is impossible to for temperature
Higher place.On the high temperature furnace of particularly Lian Gang factory or non-ferrous metal, the high temperature furnace temperature of general steel mill or non-ferrous metal with
At 2000 degree, the temperature of working environment is at about 180 degree；It addition, around the steam pipe line of petroleum chemical enterprise etc., temperature is the highest；Cause
This, the high temperature resistant requirement for bus is higher.
Summary of the invention
The technical problem to be solved is to provide that a kind of resistance to elevated temperatures is good, insulating properties are strong and safe for
High temperature resistant waterproof bus duct under hot environment.
In order to solve above-mentioned technical problem, a kind of high temperature resistant waterproof bus duct under hot environment of the present invention, including
Housing, multiple current－carrying conductor, be provided with insulating barrier, be filled with between described housing and current－carrying conductor between described adjacent current－carrying conductor
Heat-conducting resin, wherein, described heat-conducting resin is made up of following ingredients, according to the mass fraction,
The above-mentioned high temperature resistant waterproof bus duct under hot environment, wherein, heat filling: 107 silicone rubber and methyl
Silicone oil total amount is 1 9:1, counts in mass ratio.
The above-mentioned high temperature resistant waterproof bus duct under hot environment, wherein, heat filling is through silane coupler
One or several in aluminium nitride that KH550 processed, silicon nitride, boron nitride, carborundum, aluminium oxide.
The above-mentioned high temperature resistant waterproof bus duct under hot environment, wherein, the viscosity of described 107 silicone rubber is 25 DEG C
Time 100Pa s.
The present invention uses 107 silicone rubber as the base material of heat-conducting resin, selects the heat filling of different-grain diameter, aluminium nitride,
Silicon nitride, boron nitride, carborundum, aluminium oxide, the particle diameter of filler is at 5-100 micron, by silicone grease heat-conducting resin and different heat conduction
Synergism between filler, makes heat-conducting resin obtain the highest heat conductivity and minimum viscosity simultaneously.
The present invention can realize following beneficial effect: 1, relative to original water proof bus bar slot, resistance to elevated temperatures is greatly improved；
2, relative to original water proof bus bar slot, due to the addition of heat filling so that the heat conductivity of the polymer resin layer of bus duct
Can be greatly increased so that bus duct more safely and steadily runs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
A kind of high temperature resistant waterproof bus duct under hot environment is including housing 1, multiple current－carrying conductor 2, described adjacent
Being provided with insulating barrier 3 between current－carrying conductor 2, the two sides of housing are provided with heat radiation convex stupefied 5, fill out between described housing 1 and current－carrying conductor 2
Being filled with heat-conducting resin 4, described heat-conducting resin 4 is made up of following ingredients, according to the mass fraction,
107 silicone rubber are a kind of water white transparencies, working fluid.Its chemical name is: hydroxyl endblocked polydimethylsiloxane.
Embodiment 1
A kind of high temperature resistant waterproof bus duct under hot environment is including housing 1, multiple current－carrying conductor 2, described adjacent
It is provided with insulating barrier 3 between current－carrying conductor 2, between described housing 1 and current－carrying conductor 2, is filled with heat-conducting resin 4, described heat-conducting resin
4 by 100 parts of 107 silicone rubber, methyl-silicone oil 55 parts, heat filling 155 parts, tetraethyl orthosilicate 10 parts, dibutyl tin laurate 1
Part, heat filling is the aluminium nitride processed through Silane coupling agent KH550, adds man-hour, first by 100 parts of 107 silicone rubber, methyl
Silicone oil 55 parts, heat filling 155 parts kneading, the tetraethyl orthosilicate added after kneading and dibutyl tin laurate, mixing is all
Even, prepare high heat conduction；The insulant of the bus of high insulation.Being coated under the periphery of copper bar, room temperature can be with natural vulcanization, i.e.
Can.
Performance indications: heat conductivity 1.0W/m.K 5.5W/m.K
Volume resistance/Ω cm >=5.34*1012
Embodiment 2
A kind of high temperature resistant waterproof bus duct under hot environment is including housing 1, multiple current－carrying conductor 2, described adjacent
It is provided with insulating barrier 3 between current－carrying conductor 2, between described housing 1 and current－carrying conductor 2, is filled with heat-conducting resin 4, described heat-conducting resin
4 by 100 parts of 107 silicone rubber, methyl-silicone oil 30 parts, heat filling 390 parts, tetraethyl orthosilicate 15 parts, dibutyl tin laurate 3
Part, heat filling is the boron nitride processed through Silane coupling agent KH550, adds man-hour, first by 107 silicone rubber, methyl-silicone oil,
Heat filling is mediated, the tetraethyl orthosilicate added after kneading and dibutyl tin laurate, mix homogeneously, prepares high heat conduction；
The insulant of the bus of high insulation.Be coated under the periphery of copper bar, room temperature can with natural vulcanization,.
Performance indications: heat conductivity is how many？ 1.0W/m.K—5.5W/m.K
Volume resistance/Ω cm >=5.34*1012
Embodiment 3
A kind of high temperature resistant waterproof bus duct under hot environment is including housing 1, multiple current－carrying conductor 2, described adjacent
It is provided with insulating barrier 3 between current－carrying conductor 2, between described housing 1 and current－carrying conductor 2, is filled with heat-conducting resin 4, described heat-conducting resin
4 by 100 parts of 107 silicone rubber, methyl-silicone oil 75 parts, heat filling 1395 parts, tetraethyl orthosilicate 15 parts, dibutyl tin laurate
3 parts, heat filling be hot filler be processed through Silane coupling agent KH550 aluminium nitride, silicon nitride, boron nitride, carborundum,
Aluminium oxide；Wherein, aluminium nitride: silicon nitride: boron nitride: carborundum: the ratio of aluminium oxide is 10:5:5:4:4, weight ratio, processing
Time, first 107 silicone rubber, methyl-silicone oil, heat filling are mediated, the tetraethyl orthosilicate added after kneading and tin dilaurate two fourth
Ji Xi, mix homogeneously, prepare high heat conduction；The insulant of the bus of high insulation.Being coated under the periphery of copper bar, room temperature can be certainly
So sulfuration,.
Performance indications: heat conductivity is how many？ 1.0W/m.K—5.5W/m.K
Volume resistance/Ω cm >=5.34*1012
The present invention uses 107 silicone rubber as heat-conducting resin, selects the heat filling of different-grain diameter, and wherein heat filling can
To be aluminium nitride, silicon nitride, boron nitride, carborundum and aluminium oxide, wherein preferably aluminium nitride and silicon nitride heat-conducting effect are good；From
Cost angle considers, preferential oxidation aluminum, price of aluminium oxide is relatively low.The mass fraction of filler can reach less than 1-9 times of sizing material,
Number is the most, and heat-conducting effect is the best, but heat conductive silica gel viscosity is the biggest, the most crisp, easily ftractures, preferably 3-8 times. system is filled out
Fill available high heat-conductive silicon rubber and silicone grease, and processing performance is good.When being filled with multiple particle diameter heat filling, fill out
The collocation of material has significant impact to improving heat conductivility with reduction viscosity, during the change of different-grain diameter filler distribution, and leading of system
Hot property and the change of viscosity meeting Development pattern；The highest heat conductivity and minimum can be obtained when particle diameter distribution is suitable simultaneously
Viscosity.
Claims (1)
1. the high temperature resistant waterproof bus duct under hot environment, including housing, multiple current－carrying conductor, described adjacent current-carrying
It is provided with insulating barrier between conductor, between described housing and current－carrying conductor, is filled with heat-conducting resin, it is characterised in that described heat conduction tree
Fat is by 100 parts of 107 silicone rubber, methyl-silicone oil 75 parts, heat filling 1395 parts, tetraethyl orthosilicate 15 parts, tin dilaurate
Dibutyl tin 3 parts composition, heat filling is hot filler, is aluminium nitride, the nitridation processed through Silane coupling agent KH550
Silicon, boron nitride, carborundum, aluminium oxide；Wherein, aluminium nitride: silicon nitride: boron nitride: carborundum: the ratio of aluminium oxide is 10:5:
5:4:4, by weight, adds man-hour, first 107 silicone rubber, methyl-silicone oil, heat filling is mediated, adds positive silicon after kneading
Acetoacetic ester and dibutyl tin laurate, mix homogeneously, prepare the insulant of the bus of high heat conduction, high insulation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310469572.XA CN103618273B (en) | 2013-10-10 | 2013-10-10 | Waterproof bus duct used in high temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310469572.XA CN103618273B (en) | 2013-10-10 | 2013-10-10 | Waterproof bus duct used in high temperature environment |
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| CN103618273A CN103618273A (en) | 2014-03-05 |
| CN103618273B true CN103618273B (en) | 2017-01-11 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242197A (en) * | 2014-09-30 | 2014-12-24 | 江苏江城电气有限公司 | High-temperature waterproof bus duct |
| CN105219092A (en) * | 2015-10-29 | 2016-01-06 | 惠州市粤泰翔科技有限公司 | A kind of high filling flexible heat-conducting silicon rubber and preparation method thereof |
| CN106519337A (en) * | 2016-11-08 | 2017-03-22 | 镇江市亿鑫电气设备有限责任公司 | Novel washer for bus ducts |
| CN106589856A (en) * | 2016-12-27 | 2017-04-26 | 铜陵市铜峰光电科技有限公司 | Carbon fiber-graphene filled flexible high thermal conductive insulating flame retardant plastic for LED and preparation method of plastic |
| CN107104402B (en) * | 2017-06-17 | 2019-03-15 | 镇江市长江机电设备厂有限公司 | A kind of multi-functional bridge connection mechanism |
| CN110265748B (en) * | 2019-06-24 | 2021-06-11 | 上海空间电源研究所 | Hydrogen-nickel storage battery for space |
| CN114437504B (en) * | 2021-12-30 | 2022-11-08 | 广东宝士电气有限公司 | Totally-enclosed fireproof bus and manufacturing process thereof |
| CN116218363B (en) * | 2023-03-31 | 2024-03-08 | 无锡兴华衡辉科技有限公司 | Protective slurry and preparation method thereof, protective sleeve containing protective slurry and preparation method thereof and application of protective sleeve in laser welding of stainless steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100335568C (en) * | 2003-03-12 | 2007-09-05 | 徐中 | Ceramic thermal insulative pigment |
| JP2007291346A (en) * | 2006-03-31 | 2007-11-08 | Toyoda Gosei Co Ltd | Low electric conductivity high heat radiation polymer material and molded body |
| CN101831181A (en) * | 2010-05-21 | 2010-09-15 | 浙江三元电子科技有限公司 | Addition thermal conductive insulation silicon rubber composite material and preparation method thereof |
| CN101885918A (en) * | 2010-07-09 | 2010-11-17 | 东莞新东方化工有限公司 | Heat conducting silicon rubber |
| CN202332391U (en) * | 2011-12-01 | 2012-07-11 | 安庆市三阳塑胶材料有限公司 | Power bus tube made for compound high polymer materials |
| CN202616715U (en) * | 2012-05-30 | 2012-12-19 | 云南联方电气有限公司 | Solid insulation bus duct |
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