CN105374499B - A kind of solid isolation transformer - Google Patents

A kind of solid isolation transformer Download PDF

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Publication number
CN105374499B
CN105374499B CN201510500095.8A CN201510500095A CN105374499B CN 105374499 B CN105374499 B CN 105374499B CN 201510500095 A CN201510500095 A CN 201510500095A CN 105374499 B CN105374499 B CN 105374499B
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China
Prior art keywords
parts
transformer
catalyst
polyethylene glycol
coating
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CN105374499A (en
Inventor
刘晓山
李光
谢辰璐
徐铖
徐鹏
高迎前
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Nantong Huaneng New Materials Co Ltd
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STATE GRID SHANDONG FEIXIAN POWER SUPPLY Co
State Grid Corp of China SGCC
Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Abstract

The invention belongs to transformer technology field, discloses a kind of solid isolation transformer, and it includes magnetic core, coil and plastic casing, and coating is coated outside the plastic casing.Solid isolation transformer of the present invention possesses preferable insulating properties, corrosion-resistant, antistatic, mechanical strength is big and has electro-magnetic screen function.

Description

A kind of solid isolation transformer
Technical field
The present invention relates to the technical field of transformer, and in particular to a kind of solid isolation transformer.
Background technology
Transformer(Transformer)It is the device for changing alternating voltage using the principle of electromagnetic induction, main member It is primary coil, secondary coil and iron core(Magnetic core).Major function has:Voltage transformation, current transformation, impedance are converted, isolated, be steady Pressure(Magnetic saturation transformer)Deng.It can be divided into, according to use,:Distribution transformer, power transformer, full-sealed transformer, combined variable Depressor, dry-type transformer, oil-filled transformer, single-phase transformer, furnace transformer, rectifier transformer etc..
Transformer shell is mainly used in the security protection at operating transformer scene.Avoid because the foreign matter such as toy, rainwater Cause interruption of service into transformer, can effectively protect personal safety and play certain electromagnetic shielding action.By structural material not It is same to be divided into:Aluminium alloy grinds card transformer shell, stainless steel transformer shell and spraying steel plate transformer shell three major types.By making It is different with occasion:It is divided to two kinds of indoor transformer shell and outdoor depressor housing.Research of the prior art to transformer shell is less, But because potential safety hazard caused by the damage of housing is more and more;In order to ensure the safety of people's production and life, we Need to study that a kind of good insulation preformance, corrosion-resistant, antistatic, mechanical strength be big and transformer shell with electro-magnetic screen function Body.
The content of the invention
Present invention aim to address many defects of transformer in the prior art, by lot of experiments and exploration, to becoming Depressor housing is transformed, and it is possessed preferable insulating properties, corrosion-resistant, antistatic, mechanical strength big and have electromagnetism Function of shielding.
To achieve these goals, technical scheme is realized in the following way:
A kind of solid isolation transformer, it includes magnetic core, coil and plastic casing;
Characterized in that, coat coating outside the housing;The coating is prepared by the raw material of following parts by weight:
It is modified poly-(3,4- ethene dioxythiophenes)- polystyrolsulfon acid 9-12 parts, aromatic urethane acrylate 16-22 Part, organic siliconresin 12-17 parts, dimethylaminoethyl acrylate 9-12 parts, diluent 50-65 parts, triallyl isocyanuric acid Ester 1-2 parts, levelling agent 0.7-0.9 parts, graphene 15-20 parts, magnesium chloride 4-6 parts, nano-silver powder 4-6 parts, nanometer silicon carbide 2-3 Part, organobentonite 0.5-1 parts, nanometer titanium dioxide 0.5-1 parts, talcum powder 0.2-0.3 parts, sodium tripolyphosphate 0.1-0.2 parts, two Molybdenum sulfide 0.1-0.2 parts.
The modification gathers(3,4- ethene dioxythiophenes)The preparation method of-polystyrolsulfon acid is as follows:
Under conditions of temperature is 35 DEG C, sulfonated graphene, 3,4-rthylene dioxythiophene and polyethylene glycol are dispersed in In ionized water, the concentration that makes contained polyethylene glycol in the mixed system to be formed is 0.05wt%, and sulfonated graphene, 3,4- ethene Dioxy thiophene, the mass ratio of polyethylene glycol is 2:3:0.1, then the pH value of the mixed system is adjusted to 4.5, and with 500 turns/ Min speed is stirred, while adds oxidant and catalyst, wherein the mass ratio of oxidant and 3,4-rthylene dioxythiophene It is 1:2, the mass ratio 0.01 of catalyst and 3,4-rthylene dioxythiophene:1, then continue stirring reaction 10-72h, remove afterwards Foreign ion in reaction product mixture, is produced;The oxidant is sodium peroxydisulfate, and the catalyst is ferric trichloride.
The diluent is:Water:Isopropanol:Ethanol(Volume ratio)=1:7:1;
The levelling agent is:Dimethyl silicone polymer;
Its preparation method comprises the following steps:
Will be modified poly-(3,4- ethene dioxythiophenes)- polystyrolsulfon acid, which is placed in high speed dispersor, to be dissipated, and 1000 turns of rotating speed/ Min, stir 60min, then successively add aromatic urethane acrylate, organic siliconresin, dimethylaminoethyl acrylate, Diluent, Triallyl isocyanurate, levelling agent, graphene, magnesium chloride, nano-silver powder, nanometer silicon carbide, organic swelling Soil, nanometer titanium dioxide, talcum powder, sodium tripolyphosphate and molybdenum disulfide, 1500 turns/min stirring 15-30min, are produced.
Beneficial effect of the present invention mainly includes the following aspects:
The present invention uses plastic casing, good insulation preformance;A certain amount of fireproof agent is added in coating, improves fire resistance Energy;Using graphene anti-corrosion, and effect stability, action effective are grown;The present invention has stronger antibacterial effect using nano-silver powder, And the duration is grown, and has good compatibility with curing system;The combination such as nanometer titanium dioxide and nanometer silicon carbide possess compared with Good radiation-resistant corrosion and mechanical performance;Modification prepared by the present invention gathers(3,4- ethene dioxythiophenes)- polystyrene sulphur Acid can not only meet the requirement of Antistatic radiation-proof, and have a good compatibility with photocuring system, dilution oligomer, Regulation system viscosity.It is mutually coordinated between each component material of the present invention, pass through big change of variable condition, parameter, warp for the applicant Single factor experiment is crossed, factorial experiment obtains, and the application operating parameter is that inventor operates acquisition through creative work, and it is prepared The solidification of coating film forming after there is self assembly characteristic, can freely spread in substrate, and build high-effective conductive network, make painting Material surface has high transmission rate, high conductivity and stability, while can also make have more preferable mechanical property after curing of coatings, Particularly there is the characteristics of activeness and quietness effect and high-wearing feature, make it have more preferable Antistatic radiation-proof durability, simultaneously With excellent decay resistance.
Embodiment
Embodiment 1
A kind of solid isolation transformer, it includes magnetic core, coil and plastic casing;
Coating is coated outside the housing;The coating is prepared by the raw material of following parts by weight:
It is modified poly-(3,4- ethene dioxythiophenes)9 parts of-polystyrolsulfon acid, 16 parts of aromatic urethane acrylate, have 12 parts of machine silicones, 9 parts of dimethylaminoethyl acrylate, 50 parts of diluent, 1 part of Triallyl isocyanurate, levelling agent 0.7 Part, 15 parts of graphene, 4 parts of magnesium chloride, 4 parts of nano-silver powder, 2 parts of nanometer silicon carbide, 0.5 part of organobentonite, nanometer titanium dioxide 0.5 part, 0.2 part of talcum powder, 0.1 part of sodium tripolyphosphate, 0.1 part of molybdenum disulfide.
The modification gathers(3,4- ethene dioxythiophenes)The preparation method of-polystyrolsulfon acid is as follows:
Under conditions of temperature is 35 DEG C, sulfonated graphene, 3,4-rthylene dioxythiophene and polyethylene glycol are dispersed in In ionized water, the concentration that makes contained polyethylene glycol in the mixed system to be formed is 0.05wt%, and sulfonated graphene, 3,4- ethene Dioxy thiophene, the mass ratio of polyethylene glycol is 2:3:0.1, then the pH value of the mixed system is adjusted to 4.5, and with 500 turns/ Min speed is stirred, while adds oxidant and catalyst, wherein the mass ratio of oxidant and 3,4-rthylene dioxythiophene It is 1:2, the mass ratio 0.01 of catalyst and 3,4-rthylene dioxythiophene:1, then continue stirring reaction 20h, remove mixing afterwards Foreign ion in reaction product, is produced;The oxidant is sodium peroxydisulfate, and the catalyst is ferric trichloride.
The diluent is:Water:Isopropanol:Ethanol(Volume ratio)=1:7:1;
The levelling agent is:Dimethyl silicone polymer;
Its preparation method comprises the following steps:
Will be modified poly-(3,4- ethene dioxythiophenes)- polystyrolsulfon acid, which is placed in high speed dispersor, to be dissipated, and 1000 turns of rotating speed/ Min, stir 60min, then successively add aromatic urethane acrylate, organic siliconresin, dimethylaminoethyl acrylate, Diluent, Triallyl isocyanurate, levelling agent, graphene, magnesium chloride, nano-silver powder, nanometer silicon carbide, organic swelling Soil, nanometer titanium dioxide, talcum powder, sodium tripolyphosphate and molybdenum disulfide, 1500 turns/min stirring 15min, are produced.
After brushing paint, transformer shell surface of the present invention is dried without skinning and lump phenomenon, energy rapid curing, environmentally friendly nothing Poison, not tacky, do not return viscous, scratch resistance is wear-resisting;Antistatic property is excellent and lasting stability, coating surface resistance are 6.8 × 105 Ω/sq, coating surface resistance 7.4 × 10 after placing 1 year5Ω/sq, antistatic property are lasting.Coating hardness 5H, adhesive force 1 Level, impact strength 59kg.cm.
Decay resistance is tested:Paint film uniform hue, it is smooth;
Salt water resistance(3% sodium chloride, 24h)It is non-foaming, do not fall off, without turning white;
X-ray shield rate can reach more than 80%.
Embodiment 2
A kind of solid isolation transformer, it includes magnetic core, coil and plastic casing;
Characterized in that, coat coating outside the housing;The coating is prepared by the raw material of following parts by weight:
It is modified poly-(3,4- ethene dioxythiophenes)12 parts of-polystyrolsulfon acid, 22 parts of aromatic urethane acrylate, have 17 parts of machine silicones, 12 parts of dimethylaminoethyl acrylate, 65 parts of diluent, 2 parts of Triallyl isocyanurate, levelling agent 0.9 part, 20 parts of graphene, 6 parts of magnesium chloride, 6 parts of nano-silver powder, 3 parts of nanometer silicon carbide, 1 part of organobentonite, nanometer titanium dioxide 1 part, 0.3 part of talcum powder, 0.2 part of sodium tripolyphosphate, 0.2 part of molybdenum disulfide.
The modification gathers(3,4- ethene dioxythiophenes)The preparation method of-polystyrolsulfon acid is as follows:
Under conditions of temperature is 35 DEG C, sulfonated graphene, 3,4-rthylene dioxythiophene and polyethylene glycol are dispersed in In ionized water, the concentration that makes contained polyethylene glycol in the mixed system to be formed is 0.05wt%, and sulfonated graphene, 3,4- ethene Dioxy thiophene, the mass ratio of polyethylene glycol is 2:3:0.1, then the pH value of the mixed system is adjusted to 4.5, and with 500 turns/ Min speed is stirred, while adds oxidant and catalyst, wherein the mass ratio of oxidant and 3,4-rthylene dioxythiophene It is 1:2, the mass ratio 0.01 of catalyst and 3,4-rthylene dioxythiophene:1, then continue stirring reaction 72h, remove mixing afterwards Foreign ion in reaction product, is produced;The oxidant is sodium peroxydisulfate, and the catalyst is ferric trichloride.
The diluent is:Water:Isopropanol:Ethanol(Volume ratio)=1:7:1;
The levelling agent is:Dimethyl silicone polymer;
Its preparation method comprises the following steps:
Will be modified poly-(3,4- ethene dioxythiophenes)- polystyrolsulfon acid, which is placed in high speed dispersor, to be dissipated, and 1000 turns of rotating speed/ Min, stir 60min, then successively add aromatic urethane acrylate, organic siliconresin, dimethylaminoethyl acrylate, Diluent, Triallyl isocyanurate, levelling agent, graphene, magnesium chloride, nano-silver powder, nanometer silicon carbide, organic swelling Soil, nanometer titanium dioxide, talcum powder, sodium tripolyphosphate and molybdenum disulfide, 1500 turns/min stirring 30min, are produced.
After brushing paint, transformer shell surface of the present invention is dried without skinning and lump phenomenon, energy rapid curing, environmentally friendly nothing Poison, not tacky, do not return viscous, scratch resistance is wear-resisting;Antistatic property is excellent and lasting stability, coating surface resistance are 6.9 × 105 Ω/sq, coating surface resistance 7.5 × 10 after placing 1 year5Ω/sq, antistatic property are lasting.Coating hardness 5H, adhesive force 1 Level, impact strength 60kg.cm.
Decay resistance is tested:Paint film uniform hue, it is smooth;
Salt water resistance(3% sodium chloride, 24h)It is non-foaming, do not fall off, without turning white;
X-ray shield rate can reach more than 80%.
The present invention is done it is noted that although description above has been carried out by the example of the present invention certainly Go out will be apparent to those skilled in the science it is such and other improvement and change be deemed to fall such as set forth herein Broad range of the present invention in.Therefore, although the present invention reference has been made to preferred embodiment and be described, it is anticipated It is not that the product for making tool novelty is restricted therefrom, on the contrary, it is intended to include to meet part disclosed above, claim Broad range within various improvement and equivalent modifications.

Claims (1)

1. a kind of solid isolation transformer, it includes magnetic core, coil and plastic casing, it is characterised in that the plastic casing Outer coating coating,
The coating is prepared by the raw material of following parts by weight:Polymer-modified 9-12 parts, aromatic urethane acrylate 16-22 parts, organic siliconresin 12-17 parts, dimethylaminoethyl acrylate 9-12 parts, diluent 50-65 parts, triallyl isocyanide Urea acid esters 1-2 parts, levelling agent 0.7-0.9 parts, graphene 15-20 parts, magnesium chloride 4-6 parts, nano-silver powder 4-6 parts, nano silicon carbide Silicon 2-3 parts, organobentonite 0.5-1 parts, nanometer titanium dioxide 0.5-1 parts, talcum powder 0.2-0.3 parts, sodium tripolyphosphate 0.1-0.2 Part, molybdenum disulfide 0.1-0.2 parts;
The polymer-modified preparation method is as follows:
Under conditions of temperature is 35 DEG C, sulfonated graphene, 3,4-rthylene dioxythiophene and polyethylene glycol are dispersed in deionization In water, the concentration that makes contained polyethylene glycol in the mixed system to be formed is 0.05wt%, and sulfonated graphene, 3,4- ethylene dioxies Thiophene, the mass ratio of polyethylene glycol is 2:3:0.1, then the pH value of the mixed system is adjusted to 4.5, and with 500 turns/min's Speed is stirred, while adds oxidant and catalyst, and the mass ratio of wherein oxidant and 3,4-rthylene dioxythiophene is 1: 2, the mass ratio 0.01 of catalyst and 3,4-rthylene dioxythiophene:1, then continue stirring reaction 10-72h, remove mixing afterwards Foreign ion in reaction product, is produced;
The oxidant is sodium peroxydisulfate, and the catalyst is ferric trichloride;
The diluent is water:Isopropanol:Ethanol is according to 1:7:1 volume ratio, which mixes, to be produced;The levelling agent is poly dimethyl silicon Oxygen alkane.
CN201510500095.8A 2015-08-16 2015-08-16 A kind of solid isolation transformer Active CN105374499B (en)

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CN105374499B true CN105374499B (en) 2018-02-23

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CN107917939B (en) * 2017-11-27 2020-02-04 电子科技大学 Electromagnetic chemical sensor based on conductive polymer and preparation method thereof

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JPH10273609A (en) * 1997-03-31 1998-10-13 I & P Kk Electromagnetic shielding coating material paint
CN102558772B (en) * 2011-12-15 2013-03-06 河海大学 Poly(3,4-ethylenedioxythiophene)/sulfonated graphene composite hydrogel and preparation method thereof
CN202796317U (en) * 2012-09-11 2013-03-13 河南省电力公司鹤壁供电公司 Dry type electric power transformer
CN103788859B (en) * 2014-01-08 2016-06-08 华东理工大学 A kind of antistatic coating for ultra-violet curing and preparation method thereof
CN103937372B (en) * 2014-04-16 2016-06-01 江苏华盛电气股份有限公司 The oil-filled transformer of a kind of corrosion-and high-temp-resistant
CN104293102A (en) * 2014-09-25 2015-01-21 安徽蓝翔电器成套设备有限公司 High-temperature resistant insulating transformer and processing method thereof

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Effective date of registration: 20190521

Address after: 226300 Shuangmeng Village Group 14, Xianfeng Street, Tongzhou District, Nantong City, Jiangsu Province

Patentee after: Nantong Huaneng New Materials Co., Ltd.

Address before: 276001 No. 130, Jin Shan Shan Road, Lanshan District, Linyi, Shandong

Co-patentee before: State Grid Corporation of China

Patentee before: Linyi Electric Power Company of Guo Wang Shandong Province Utilities Electric Co.

Co-patentee before: STATE GRID SHANDONG FEIXIAN POWER SUPPLY COMPANY

TR01 Transfer of patent right