CN102732109B - Coating and method for eliminating electromagnetic radiation generated by using electrical appliance - Google Patents
Coating and method for eliminating electromagnetic radiation generated by using electrical appliance Download PDFInfo
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- CN102732109B CN102732109B CN201210236471.3A CN201210236471A CN102732109B CN 102732109 B CN102732109 B CN 102732109B CN 201210236471 A CN201210236471 A CN 201210236471A CN 102732109 B CN102732109 B CN 102732109B
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Abstract
The invention discloses a coating for eliminating electromagnetic radiation generated by using an electrical appliance, which comprises the following components of polyvinyl alcohol solution, silver-plated copper micro powder and surfactant, wherein each 1000ml of polyvinyl alcohol solution is added with 300-400g of silver-plated copper micro powder and 0.2-0.6g of surfactant, the mass concentration of the polyvinyl alcohol solution is 5-20%, and the surfactant is sodium dodecyl benzene sulfonate. The invention also discloses a method for eliminating electromagnetic radiation generated by using an electrical appliance according to the coating. According to the method for eliminating electromagnetic radiation generated by using an electrical appliance and the coating used by the method, electromagnetic radiation generated when the electrical appliance is used can be effectively eliminated, and harm on people by the electromagnetic radiation can be eliminated.
Description
Technical field
The present invention relates to field of material technology, be specifically related on electrical equipment, eliminate the electromagnetic radiation produced when electrical equipment uses coating and method.
Background technology
The people that develop into of science and technology bring high-quality life, various industry or domestic electric appliances equipment giving the production of people, life brings efficiently, simultaneously easily, dangerous stealthy source of pollution-electromagnetic radiation is invaded also quietly and is penetrated into that people produce, the every aspect of life, endangers our health gradually.Know from physics general knowledge, any electrical equipment is electrified stream and will generates an electromagnetic field or electromagnetic radiation.Large to high pressure (ultra-high voltage) transmitting line and all kinds of power transmission and transformation, dispensing appliance, various industrial electrical equipment equipment, and common air-conditioning, televisor, computer, microwave oven, humidifier, air cleaner, electric blanket; Little of fluorescent lamp, household electrical appliance even supply socket, switching motherboard, the wiring insert rows such as blower, mobile phone, charger all can produce electromagnetic radiation.The research of Jones John Hopkins University medical center scientist shows, even if the electromagnetic field least attracted attention also may cause the symptoms such as stress, headache, depression and insomnia, causes immunity degradation, greatly improves the sickness rate of various disease.Televisor was once moved in front of the mouse for experiment by the scientist of Adelaide, AUS university, open around the clock, and the uterus of some mouse and mammary gland canceration after the week, other mouse immunizing power sharply decline.The U.S. one treatment of cancer foundation is chemically examined the patient sample of some round electromagnetic radiation damage, found that the people worked near hi-line, faster than common people 24 times of its growth of cancer cells speed.Be born every year in about 2,000 ten thousand children in China, have an appointment 350,000 for defect youngster, wherein about 250,000 is that intelligence is incomplete, and electromagnetic radiation is one of important doubtful influence factor to have expert to think.And the electrical equipment such as televisor, air-conditioning, computer, electromagnetic oven, microwave oven become people raw few in must obligato electrical appliance, people almost use them every day, therefore, every day all can touch electromagnetic radiation, and along with the appearance of all kinds of emerging electric equipment products and universal, carry out day by day serious hidden danger will to the health care belt of people.Therefore, electromagnetic radiation has been classified as one of 21 century four large source of pollution by the World Health Organization (WHO).
The present invention can eliminate or significantly weaken the electromagnetic radiation produced when electrical equipment uses, and does not change the original hardware of electrical equipment and parameter, thus promotes the well-being of mankind.
Summary of the invention
The coating of electromagnetic radiation that the object of the present invention is to provide and a kind ofly eliminate electrical equipment work, produce when using, it is coated in the electromagnetic radiation various electrical equipment can eliminated and produce when electrical equipment uses, and eliminates the harm that electromagnetic radiation brings.
For achieving the above object, the present invention adopts following technical scheme:
A kind of coating eliminating the electromagnetic radiation produced when electrical equipment uses; it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent; silver-colored coated copper micro mist 300 ~ 400g, tensio-active agent 0.2-0.6g is added in every 1000ml polyvinyl alcohol solution; the mass concentration of described polyvinyl alcohol solution is 5 ~ 20%; described tensio-active agent is Sodium dodecylbenzene sulfonate; polyvinyl alcohol is the particle of white or micro-Huang or irregular chip solid; proportion 1.26 ~ 1.31, nontoxic, harmless, tasteless, nonirritant.Sodium dodecylbenzene sulfonate is white or buff powder, nontoxic.
Preferably, when said components adopts stirrer hybrid modulation, also added 0.1 ~ 0.7g defoamer in every 1000ml polyvinyl alcohol solution, described defoamer is colourless silicone oil or polyoxyethylene glycol or polypropylene glycol.
Preferably, when the frequency of electromagnetic radiation produced when electric elements are energized is higher than more than 300MHz, in every 1000ml polyvinyl alcohol solution, also added 30 ~ 150g permalloy micro mist.
Preferably, coating of the present invention is advocated now with the current, and if desired the long period preserves, and also added the agent of 10 ~ 50g non-toxic anticorrosion in every 1000ml polyvinyl alcohol solution, described non-toxic anticorrosion agent is preferably Whitfield's ointment.
Preferably, when coating ironware of the present invention is deposited, also added 20 ~ 50g weak base in every 1000ml polyvinyl alcohol solution, described weak base is sodium carbonate or sodium bicarbonate.
Another kind of object of the present invention is to provide a kind of method eliminating the electromagnetic radiation produced when electrical equipment uses, and it comprises the following steps:
1) workpiece surface process, one is remove workpiece surface dirt, and two is increase workpiece surface energy, so that coating attachment is more firm;
2) workpiece shell pastes non-setting adhesive one side red copper foil adhesive tape;
3) coating coating on workpiece enclosure coater of the electromagnetic radiation produced when using above-mentioned elimination electrical equipment to use, during applying coating, non-setting adhesive one side copper foil tape retains a bond pad locations and is not covered by the coating;
4) coating is dry;
5) bond pad locations retained on non-setting adhesive one side copper foil tape welds a section lead, and is connected with total ground terminal by this wire.
Preferably, step 1) is Openair plasma pretreatment.The most outstanding advantage of Openair atmospheric plasma pre-treatment is without chemical residue, environmentally safe, effectively can remove the greasy dirt of plastic workpiece surface, dust give material higher surface energy, the effects of chemical reaction of plasma pretreatment technology turn improves surface energy, make plasma pretreatment become a kind of efficient, without the pretreatment process of chemical residual, in the ordinary course of things, through plasma pretreatment just without the need to extra matting.
Preferably, step 2) the width of non-setting adhesive one side red copper foil adhesive tape be 3 ~ 7% of workpiece surface width, length is 10 ~ 30% of workpiece surface length, and non-setting adhesive one side copper foil tape is pasted onto the geometric centre position of workpiece surface or is convenient to connect the place of ground terminal.The housing of general compact electric apparatus is made up of two separable parts, each bonding partially non-setting adhesive copper foil tape.
Preferably, if the radiation frequency of the electromagnetic radiation produced when electrical equipment energising uses is higher, reduce costs again for reaching the effect eliminating electromagnetic radiation preferably, the coating in step 3) spraying is 2 layers ~ 4 layers.
Preferably, during applying coating, both can brush by hand, also can use spray gun spraying.When using spray gun spraying, the bore of spray gun is 0.5 ~ 2mm, and spray gun is 100 ~ 200mm with distance in kind, and spraying air pressure is 0.4 ~ 0.6mpa, and spray-on coating is thick is 15 ~ 25 μm.
Preferably, step 4) adopts the time of seasoning to be 2 ~ 3 hours, and the time adopting 60 DEG C of warm air dryings is 20min.
The invention has the beneficial effects as follows:
1, provide a kind of and eliminate the method for the electromagnetic radiation produced when electrical equipment uses and the coating of the method use, the electromagnetic radiation produced when effectively can eliminate electrical equipment work or the electromagnetic radiation produced when being worked by electrical equipment are down to close to 0, eliminate the harm that electromagnetic radiation brings;
2, nontoxic, harmless, tasteless, the nonirritant of coating of the present invention and with low cost;
3, method of the present invention is simple, widely applicable, easily operates.
Embodiment
Coating and the method for the electromagnetic radiation produced when eliminating electrical equipment use below by specific embodiment to the present invention is a kind of are described in further detail.
Embodiment 1
Eliminate a coating for the electromagnetic radiation produced when electrical equipment uses, it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent.The mass concentration of described polyvinyl alcohol solution is 5%.Tensio-active agent adopts Sodium dodecylbenzene sulfonate.The silver-colored coated copper micro mist added in every 1000ml polyvinyl alcohol solution is 300g, tensio-active agent is 0.2-0.6g, and namely craft or electric stirring evenly obtain product.
Embodiment 2
Eliminate a coating for the electromagnetic radiation produced when electrical equipment uses, it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent.The mass concentration of described polyvinyl alcohol solution is 20%.Described tensio-active agent is Sodium dodecylbenzene sulfonate.The silver-colored coated copper micro mist added in every 1000ml polyvinyl alcohol solution is 400g, Sodium dodecylbenzene sulfonate is 0.2-0.6g, and namely craft or electric stirring evenly obtain product.
Embodiment 3
Eliminate a coating for the electromagnetic radiation produced when electrical equipment uses, it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent, defoamer.The mass concentration of described polyvinyl alcohol solution is 10%.Described tensio-active agent is Sodium dodecylbenzene sulfonate.Described defoamer is colourless silicone oil.The silver-colored coated copper micro mist added in every 1000ml polyvinyl alcohol solution is 350g, Sodium dodecylbenzene sulfonate is 0.2-0.6g, defoamer 0.2g, and adopt stirrer to stir, rotating speed is 70 ~ 100 revs/min, stirs and obtains product.
Embodiment 4
Eliminate a coating for the electromagnetic radiation produced when electrical equipment uses, it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent, defoamer, permalloy micro mist.The mass concentration of described polyvinyl alcohol solution is 10%.Described tensio-active agent is Sodium dodecylbenzene sulfonate.Described defoamer is polyoxyethylene glycol.The silver-colored coated copper micro mist added in every 1000ml polyvinyl alcohol solution is 400g, Sodium dodecylbenzene sulfonate is 0.2-0.6g, defoamer 0.5g, permalloy micro mist 30g, and adopt stirrer to stir, rotating speed is 70 ~ 100 revs/min, stirs and obtains product.
Embodiment 5
Eliminate a coating for the electromagnetic radiation produced when electrical equipment uses, it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent, defoamer, Whitfield's ointment.The mass concentration of described polyvinyl alcohol solution is 10%.Described tensio-active agent is Sodium dodecylbenzene sulfonate.Described defoamer is polypropylene glycol.The silver-colored coated copper micro mist added in every 1000ml polyvinyl alcohol solution is 350g, Sodium dodecylbenzene sulfonate is 0.2-0.6g, defoamer 0.2g, Whitfield's ointment 50g, and adopt stirrer to stir, rotating speed is 70 ~ 100 revs/min, stirs and obtains product.
Embodiment 6
Eliminate a coating for the electromagnetic radiation produced when electrical equipment uses, it comprises following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent, defoamer, weak base.The mass concentration of described polyvinyl alcohol solution is 10%.Described tensio-active agent is Sodium dodecylbenzene sulfonate.Described defoamer is polypropylene glycol.Described weak base is sodium carbonate or sodium bicarbonate.The silver-colored coated copper micro mist added in every 1000ml polyvinyl alcohol solution is 350g, Sodium dodecylbenzene sulfonate is 0.2-0.6g, defoamer 0.2g, weak base 20 ~ 50g adopts stirrer to stir, rotating speed is 70 ~ 100 revs/min, stir and obtain product, being stored in the storage tank that ironware makes.
Embodiment 7
Eliminate a method for the electromagnetic radiation produced when electrical equipment uses, it comprises the following steps:
1) workpiece surface process, one is remove workpiece surface dirt, and two is increase workpiece surface energy, so that coating attachment is more firm;
2) workpiece shell pastes non-setting adhesive one side red copper foil adhesive tape;
3) coating coating on workpiece enclosure coater of the electromagnetic radiation produced when using the elimination electrical equipment of embodiment 1 ~ 7 to use, during applying coating, each non-setting adhesive one side red copper foil adhesive tape retains a bond pad locations and is not covered by the coating;
4) coating is dry;
5) bond pad locations on non-setting adhesive one side copper foil tape welds a section lead, and is connected with total ground terminal by this section lead.
In preferred version, the Openair atmospheric pressure plasma jet treatment equipment that step 1) is researched and developed for use Pu Sima Plasmatreat company carries out plasma pretreatment to workpiece.The advantage that Openair plasma pretreatment is the most outstanding is without chemical residue, environmentally safe, the greasy dirt on surface, dust give material higher surface energy can be removed, the effects of chemical reaction of plasma pretreatment technology turn improves surface energy, in the ordinary course of things, through plasma pretreatment just without the need to extra matting.
In preferred version, step 2) the width of non-setting adhesive one side copper foil tape be 3 ~ 7% of workpiece surface width, length is 10 ~ 30% of workpiece surface length, and non-setting adhesive one side red copper foil adhesive tape sticking is in the geometric centre position of workpiece surface or be convenient to the place connecting ground terminal.The housing of general compact electric apparatus is made up of two separable parts, each bonding partially non-setting adhesive copper foil tape.
In preferred version, if the radiation frequency of the electromagnetic radiation produced when electrical equipment energising uses is higher, reduce costs again for reaching the effect eliminating electromagnetic radiation preferably, the coating in step 3) spraying is 2 layers ~ 4 layers.
In preferred version, during applying coating, both can brush by hand, also can use spray gun spraying.When using spray gun spraying, the bore of spray gun is 0.5 ~ 2mm, and spray gun is 100 ~ 200mm with distance in kind, and spraying air pressure is 0.4 ~ 0.6mpa, and spray-on coating is thick is 15 ~ 25 μm.
In preferred version, step 4) adopts the time of seasoning to be 2 ~ 3 hours, and the time adopting 60 DEG C of warm air dryings is 20min.
Embodiment 8
Get a microwave oven, a direct supply, breaks through socket, a loyal heart insert row, a bull insert row, first detect their input terminus resistance to ground resistance, energising detects electromagnetic radiation value when they normally work again, then according to the method for enforcement 8, they are transformed, their input terminuss resistance is over the ground detected again after transformation, then be energized, detect electromagnetic radiation value when they normally work, the results are shown in Table 1.
Before and after several electric equipment altering of table 1, input terminus holds the contrast of resistance value and electromagnetic radiation value over the ground
As can be seen from Table 1, each electrical equipment is before and after transforming with the present invention, input terminus resistance to ground value is basically identical, illustrate that painting is covered with coating of the present invention, original insulating property and the hardware parameter of electrical equipment can not be changed, but the electromagnetic radiation produced when can eliminate above-mentioned electrical work after transformation, the electromagnetic radiation value making above each electrical equipment operationally produce is reduced to 0 or close to 0.
Above-described embodiment is only preferred case study on implementation of the present invention can not with this to limit protection scope of the present invention, and the change of any unsubstantiality that those skilled in the art does on the basis of invention and replacement all belong to the present invention's scope required for protection.
Claims (9)
1. eliminate the coating of the electromagnetic radiation produced when electrical equipment uses for one kind, it is characterized in that comprising following component: polyvinyl alcohol solution, silver-colored coated copper micro mist, tensio-active agent, silver-colored coated copper micro mist 300 ~ 400g, tensio-active agent 0.2-0.6g is added in every 1000ml polyvinyl alcohol solution, the mass concentration of described polyvinyl alcohol solution is 5 ~ 20%, described tensio-active agent is Sodium dodecylbenzene sulfonate
2. the as claimed in claim 1 coating eliminating the electromagnetic radiation produced when electrical equipment uses, is characterized in that: also added 0.2 ~ 0.5g defoamer in every 1000ml polyvinyl alcohol solution, and described defoamer is colourless silicone oil or polyoxyethylene glycol or polypropylene glycol.
3. the coating eliminating the electromagnetic radiation produced when electrical equipment uses as claimed in claim 1, is characterized in that: also added 30 ~ 150g permalloy micro mist in every 1000ml polyvinyl alcohol solution.
4. the coating eliminating the electromagnetic radiation produced when electrical equipment uses as claimed in claim 1, is characterized in that: also added the agent of 10 ~ 50g non-toxic anticorrosion in every 1000ml polyvinyl alcohol solution, described non-toxic anticorrosion agent is Whitfield's ointment.
5. the coating eliminating the electromagnetic radiation produced when electrical equipment uses as claimed in claim 1, is characterized in that: also added 20 ~ 50g weak base in every 1000ml polyvinyl alcohol solution, described weak base is sodium carbonate or sodium bicarbonate.
6. eliminate a method for the electromagnetic radiation produced when electrical equipment uses, it is characterized in that comprising the following steps:
1) workpiece surface process;
2) workpiece case surface pastes non-setting adhesive one side red copper foil adhesive tape;
3) coating coating on workpiece enclosure coater of the electromagnetic radiation produced when using the elimination electrical equipment described in claim 1 to 5 any one to use, during applying coating, non-setting adhesive one side red copper foil adhesive tape retains a bond pad locations and is not covered by the coating;
4) coating is dry;
5) bond pad locations on non-setting adhesive one side copper foil tape welds a section lead, and is connected with ground terminal by this wire.
7. the method eliminating the electromagnetic radiation produced when electrical equipment uses as claimed in claim 6, is characterized in that: step 1) Openair plasma pre-treatment of surface is carried out to workpiece.
8. the method eliminating the electromagnetic radiation produced when electrical equipment uses as claimed in claim 6, it is characterized in that: step 2) the width of non-setting adhesive one side red copper foil adhesive tape be 3 ~ 7% of workpiece surface width, length is 10 ~ 30% of workpiece surface length, and non-setting adhesive one side copper foil tape is pasted onto the geometric centre position of workpiece surface.
9. the as claimed in claim 6 method eliminating the electromagnetic radiation produced when electrical equipment uses, is characterized in that: step 3) to be coated with the coating be covered be 2 layers ~ 4 layers.
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| CN201210236471.3A CN102732109B (en) | 2012-07-09 | 2012-07-09 | Coating and method for eliminating electromagnetic radiation generated by using electrical appliance |
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| CN201210236471.3A CN102732109B (en) | 2012-07-09 | 2012-07-09 | Coating and method for eliminating electromagnetic radiation generated by using electrical appliance |
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| CN102732109B true CN102732109B (en) | 2015-02-25 |
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| CN108976451A (en) * | 2017-06-01 | 2018-12-11 | 苏州国动环保节能科技有限公司 | A kind of coating application method for eliminating the electromagnetic radiation generated when electric appliance use |
| CN112036489A (en) * | 2020-08-31 | 2020-12-04 | 佛山市南海区广工大数控装备协同创新研究院 | PCB element positioning method based on welding spot color distribution |
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| CN1942411A (en) * | 2004-02-12 | 2007-04-04 | 法国圣戈班韦特罗特斯有限公司 | Electrically conductive glass yarn and constructions including same |
| CN101709191A (en) * | 2009-11-18 | 2010-05-19 | 中国人民解放军理工大学工程兵工程学院 | High-performance electromagnetic shielding composite coating |
| CN101831237A (en) * | 2009-03-10 | 2010-09-15 | 张驰 | Electromagnetic-shielding conductive coating |
| CN102002294A (en) * | 2010-12-03 | 2011-04-06 | 北京工业大学 | Electromagnetic shielding waterborne paint and preparation method thereof |
| CN102020899A (en) * | 2010-11-26 | 2011-04-20 | 中国人民解放军第三军医大学 | Composite coating electromagnetic shielding paint and composite coating electromagnetic shielding material prepared therefrom |
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- 2012-07-09 CN CN201210236471.3A patent/CN102732109B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1942411A (en) * | 2004-02-12 | 2007-04-04 | 法国圣戈班韦特罗特斯有限公司 | Electrically conductive glass yarn and constructions including same |
| CN101831237A (en) * | 2009-03-10 | 2010-09-15 | 张驰 | Electromagnetic-shielding conductive coating |
| CN101709191A (en) * | 2009-11-18 | 2010-05-19 | 中国人民解放军理工大学工程兵工程学院 | High-performance electromagnetic shielding composite coating |
| CN102020899A (en) * | 2010-11-26 | 2011-04-20 | 中国人民解放军第三军医大学 | Composite coating electromagnetic shielding paint and composite coating electromagnetic shielding material prepared therefrom |
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Effective date of registration: 20200903 Address after: Room 1032, 333 jiufo Jianshe Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Dihao Intelligent Technology Co.,Ltd. Address before: 510730 Huaxia center, Xia garden, Whampoa East Road, Whampoa District, Guangdong, Guangzhou province C401 Patentee before: Zhao Tiejun |