CN103945680A - Power box capable of absorbing electromagnetic radiation and manufacturing method of power box - Google Patents
Power box capable of absorbing electromagnetic radiation and manufacturing method of power box Download PDFInfo
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- CN103945680A CN103945680A CN201410162676.0A CN201410162676A CN103945680A CN 103945680 A CN103945680 A CN 103945680A CN 201410162676 A CN201410162676 A CN 201410162676A CN 103945680 A CN103945680 A CN 103945680A
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Abstract
The invention provides a power box capable of absorbing electromagnetic radiation. The power box comprises a power box body, the inner surface of the power box body is coated with a radiation absorption layer, and the radiation absorption layer is composed of, by weight, 30%-40% of ferrite, 10%-20% of nanoscale copper manganese alloy powder, 1%-5% of silver powder, 25%-35% of epoxy resin, 1%-3% of cellulose, 0.1%-1% of polyethylene glycol and 1%-6% of n-butanol. The power box can effectively absorb the electromagnetic radiation produced by internal electronic equipment, effectively reduce the quantity of the electromagnetic radiation projected into the environment, reduce environmental pollution, and reduce menace to human health.
Description
Technical field
The present invention relates to electrical equipment technical field, be specifically related to a kind of electric power box of energy absorption of electromagnetic radiation, and the preparation method of this electric power box.
Background technology
Along with improving constantly and the continuous enhancing of environmental consciousness, self health perception of living standards of the people, the electromagnetic radiation being brought by electronic equipment more and more receives people's concern.
Electric power box is that its material mostly is the aluminium alloy extrusions of high-quality for loading the article such as instrument, instrument, electronics, communication, automation, transducer, smart card, Industry Control, precision optical machinery.At present, perfect along with the development of power industry and electric power facility, can see the existence of electric power box everywhere., electric power box does not but have corresponding safeguard procedures aspect electromagnetic radiation, has the risk of contaminated environment, and also the moment is threatening people's health.
Summary of the invention
Technical problem to be solved by this invention is for above the deficiencies in the prior art, a kind of electric power box of energy absorption of electromagnetic radiation is provided, this electric power box can effectively absorb the electromagnetic radiation that internal electronic equipment produces, effectively reduce electromagnetic radiation and project the amount into environment, reduce environmental pollution, reduce the menace to human health.
The technical solution adopted in the present invention is:
A kind of electric power box of energy absorption of electromagnetic radiation, comprise electric power box body, it is characterized in that: the inner surface of described electric power box body is coated with radiation absorption layer, described radiation absorption layer comprises each component of following percentage by weight: ferrite 30-40%, nanosized copper manganese alloy powder 10-20%, silver powder 1-5%, epoxy resin 25-35%, cellulose 1-3%, polyethylene glycol 0.1-1%, n-butanol 1-6%.
As preferably, described ferrite is hexagonal ferrite or spinel type ferrite.
As preferably, the particle diameter of described nanosized copper manganese alloy powder is 10-1000nm.
As preferably, described cellulose is one or more the mixture in methylcellulose, HEMC, carboxymethyl cellulose, ethyl cellulose, hydroxyethylcellulose, hydroxypropyl methylcellulose, carboxymethyl hydroxyethyl cellulose.Cellulose is a kind of effectively thickener and auxiliary rheological agents, regulates aqueous viscosity after entering water by cellulosic molecule, meeting in material by regulating cellulosic amount can effectively control film forming speed.
As preferably, described polyethylene glycol is the one in Macrogol 200, PEG400, Macrogol 600, cetomacrogol 1000, Macrogol 4000, Macrogol 6000, PEG20000, PEG 20000.
The preparation method of the electric power box of above-mentioned energy absorption of electromagnetic radiation, comprises the following steps:
(1) prepare coating:
(a) take each material of above percentage by weight;
(b) ferrite, silver powder are placed in to ball mill, grind 2-5h, carry out mixed grinding and make formation inlay mixed type particulate, until each powder granularity reaches 10-20 micron;
(c) nanosized copper manganese alloy powder is added to ball mill, mixed grinding 10-30min;
(d) epoxy resin, cellulose, polyethylene glycol are added to ball mill, continue to grind, until each powder granularity reaches 1-2 micron;
(e) add n-butanol, viscosity is adjusted to 60-80s (25 DEG C), filter, obtain coating;
(2) coating step (1) being obtained is coated on the inner surface of electric power box body, and coating layer thickness is 0.9-1.5mm, obtains the electric power box of energy absorption of electromagnetic radiation after naturally drying.
Compared with prior art, the present invention has following remarkable advantage and beneficial effect: electric power box provided by the invention, inner surface at electric power box applies radiation absorption layer, by selecting suitable proportioning between suitable material and each material, make electric power box that the present invention obtains can sponge the electromagnetic radiation of the inner 50-80% of electric power box, this radiation absorption layer has good heat conductivility simultaneously, can well the heat of conversion be conducted, avoid the danger that electric power box is inner and electric power box excess Temperature causes.
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail.Be noted that following illustrating is all exemplary, be intended to the invention provides further instruction.Except as otherwise noted, all Science and Technology terms that the present invention uses have the identical meanings of conventionally understanding with the technical field of the invention personnel.
Embodiment 1:
The electric power box of the present embodiment energy absorption of electromagnetic radiation, comprise electric power box body, the inner surface of described electric power box body is coated with radiation absorption layer, and described radiation absorption layer comprises each component of following percentage by weight: hexagonal ferrite 32%, nanosized copper manganese alloy powder 20%, silver powder 5%, epoxy resin 35%, methylcellulose 3%, Macrogol 6000 .5%, n-butanol 4.5%.
The electric power box of above-mentioned energy absorption of electromagnetic radiation, preparation method comprises the following steps:
(1) prepare coating:
(a) take each material of above percentage by weight;
(b) ferrite, silver powder are placed in to ball mill, grind 2-5h, carry out mixed grinding and make formation inlay mixed type particulate, until each powder granularity reaches 10-20 micron;
(c) nanosized copper manganese alloy powder is added to ball mill, mixed grinding 10-30min;
(d) epoxy resin, cellulose, polyethylene glycol are added to ball mill, continue to grind, until each powder granularity reaches 1-2 micron;
(e) add n-butanol, viscosity is adjusted to 60-80s (25 DEG C), filter, obtain coating;
(2) coating step (1) being obtained is coated on the inner surface of electric power box body, and coating layer thickness is 0.9-1.5mm, obtains the electric power box of energy absorption of electromagnetic radiation after naturally drying.
Embodiment 2:
The electric power box of the present embodiment energy absorption of electromagnetic radiation, comprise electric power box body, the inner surface of described electric power box body is coated with radiation absorption layer, and described radiation absorption layer comprises each component of following percentage by weight: spinel type ferrite 40%, nanosized copper manganese alloy powder 13%, silver powder 5%, epoxy resin 32%, hydroxypropyl methylcellulose 3%, Macrogol 600 1%, n-butanol 6%.
Preparation method is with embodiment 1.
Embodiment 3:
The electric power box of the present embodiment energy absorption of electromagnetic radiation, comprise electric power box body, the inner surface of described electric power box body is coated with radiation absorption layer, and described radiation absorption layer comprises each component of following percentage by weight: hexagonal ferrite 37%, nanosized copper manganese alloy powder 18%, silver powder 5%, epoxy resin 30%, ethyl cellulose 3%, Macrogol 600 1%, n-butanol 6%.
Preparation method is with embodiment 1.
The above embodiment of the present invention is can not be used for limiting the present invention to explanation of the present invention, and any change in implication and the scope suitable with claims of the present invention, all should think to be included in the scope of claims.
Claims (6)
1. the electric power box of an energy absorption of electromagnetic radiation, comprise electric power box body, it is characterized in that: the inner surface of described electric power box body is coated with radiation absorption layer, described radiation absorption layer comprises each component of following percentage by weight: ferrite 30-40%, nanosized copper manganese alloy powder 10-20%, silver powder 1-5%, epoxy resin 25-35%, cellulose 1-3%, polyethylene glycol 0.1-1%, n-butanol 1-6%.
2. the electric power box of energy absorption of electromagnetic radiation according to claim 1, is characterized in that: described ferrite is hexagonal ferrite or spinel type ferrite.
3. the electric power box of energy absorption of electromagnetic radiation according to claim 1, is characterized in that: the particle diameter of described nanosized copper manganese alloy powder is 10-1000nm.
4. electric power box that can absorption of electromagnetic radiation according to claim 1, is characterized in that: described cellulose is one or more the mixture in methylcellulose, HEMC, carboxymethyl cellulose, ethyl cellulose, hydroxyethylcellulose, hydroxypropyl methylcellulose, carboxymethyl hydroxyethyl cellulose.
5. the electric power box of energy absorption of electromagnetic radiation according to claim 1, is characterized in that: described polyethylene glycol is the one in Macrogol 200, PEG400, Macrogol 600, cetomacrogol 1000, Macrogol 4000, Macrogol 6000, PEG20000, PEG 20000.
6. the preparation method of the electric power box of the energy absorption of electromagnetic radiation described in the arbitrary claim of claim 1-6, is characterized in that comprising the following steps:
(1) prepare coating:
(a) take each material of above percentage by weight;
(b) ferrite, silver powder are placed in to ball mill, grind 2-5h, carry out mixed grinding and make formation inlay mixed type particulate, until each powder granularity reaches 10-20 micron;
(c) nanosized copper manganese alloy powder is added to ball mill, mixed grinding 10-30min;
(d) epoxy resin, cellulose, polyethylene glycol are added to ball mill, continue to grind, until each powder granularity reaches 1-2 micron;
(e) add n-butanol, viscosity is adjusted to 60-80s, filter, obtain coating;
(2) coating step (1) being obtained is coated on the inner surface of electric power box body, and coating layer thickness is 0.9-1.5mm, obtains the electric power box of energy absorption of electromagnetic radiation after naturally drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162676.0A CN103945680A (en) | 2014-04-22 | 2014-04-22 | Power box capable of absorbing electromagnetic radiation and manufacturing method of power box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162676.0A CN103945680A (en) | 2014-04-22 | 2014-04-22 | Power box capable of absorbing electromagnetic radiation and manufacturing method of power box |
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| CN103945680A true CN103945680A (en) | 2014-07-23 |
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| CN201410162676.0A Pending CN103945680A (en) | 2014-04-22 | 2014-04-22 | Power box capable of absorbing electromagnetic radiation and manufacturing method of power box |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05132379A (en) * | 1991-11-12 | 1993-05-28 | Yoshiyuki Ogushi | Coating material for absorbing electric wave |
| CN1916818A (en) * | 2006-08-21 | 2007-02-21 | 俞金龙 | Low radiant environmental protection chassis of computer |
| CN101899289A (en) * | 2009-05-31 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Wave-absorbing heat dissipation material |
| 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 |
| CN103313585A (en) * | 2013-05-24 | 2013-09-18 | 深圳市鸿富诚屏蔽材料有限公司 | Conductive foam and preparation method thereof |
-
2014
- 2014-04-22 CN CN201410162676.0A patent/CN103945680A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05132379A (en) * | 1991-11-12 | 1993-05-28 | Yoshiyuki Ogushi | Coating material for absorbing electric wave |
| CN1916818A (en) * | 2006-08-21 | 2007-02-21 | 俞金龙 | Low radiant environmental protection chassis of computer |
| CN101899289A (en) * | 2009-05-31 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Wave-absorbing heat dissipation material |
| 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 |
| CN103313585A (en) * | 2013-05-24 | 2013-09-18 | 深圳市鸿富诚屏蔽材料有限公司 | Conductive foam and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 王桂珍: "电子设备结构设计中的电磁兼容性", 《电讯技术》 * |
| 邬惠林，王珂珂: "向声频系统设计者介绍电磁兼容(EMC)和电磁干扰(EMI)", 《电声技术》 * |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Shuiqing Inventor before: Yang Yueping Inventor before: Dong Dongting Inventor before: Shu Jianhua Inventor before: Zhu Gang Inventor before: Wang Bin Inventor before: Zhu Jianren Inventor before: Wang Xiao |
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Effective date of registration: 20160301 Address after: 315700 Ningbo, Xiangshan Province Economic Development Zone, Park Road, No. 98 Applicant after: Xiangshan Yi Shan industrial design Co., Ltd Address before: 315600 Taoyuan City, Ningbo province Ninghai County Street, Hing Road, No. two, No. 9, No. Applicant before: Ninghai Yancangshan Electric Power Equipment Factory Applicant before: State Grid Zhejiang Ninghai County Power Supply Company |
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Application publication date: 20140723 |
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