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.