CN107018632A - A kind of safe environment protection type electric power electric cabinet device - Google Patents

A kind of safe environment protection type electric power electric cabinet device Download PDF

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Publication number
CN107018632A
CN107018632A CN201710258993.6A CN201710258993A CN107018632A CN 107018632 A CN107018632 A CN 107018632A CN 201710258993 A CN201710258993 A CN 201710258993A CN 107018632 A CN107018632 A CN 107018632A
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China
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electric power
shell
electric cabinet
cabinet device
power electric
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不公告发明人
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Shanghai Phase Resistant Intelligent Technology Co Ltd
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Shanghai Phase Resistant Intelligent Technology Co Ltd
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Priority to CN201710258993.6A priority Critical patent/CN107018632A/en
Publication of CN107018632A publication Critical patent/CN107018632A/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2666—Other ferrites containing nickel, copper or cobalt
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C04B35/62805—Oxide ceramics
    • C04B35/62807—Silica or silicates
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C04B35/62805—Oxide ceramics
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C04B35/62805—Oxide ceramics
    • C04B35/62818—Refractory metal oxides
    • C04B35/62821—Titanium oxide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62886—Coating the powders or the macroscopic reinforcing agents by wet chemical techniques
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62894—Coating the powders or the macroscopic reinforcing agents with more than one coating layer
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/04—Metal casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/428—Silicon

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  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The application is related to a kind of safe environment protection type electric power electric cabinet device, the electric power electric cabinet device includes the shell being made up of metal, the inner side of shell also includes one layer of inner casing being made up of heat-insulating shield, pearl cotton is provided between shell and inner casing, the outer side is provided with suction ripple layer, the suction ripple layer is attached to outer side with foamed ceramics absorbing material and formed, the back plate of shell is provided with some transverse slats, each transverse slat outwards retains certain angle and is vertically arranged, dividing plate of the inside of back plate provided with a longitudinal direction, dividing plate is provided with a fan；It is covered with through hole on the inner casing, inner casing is made up of PVC board, the PVC board is transparent panel, and convex lens array is made in its surface.

Description

A kind of safe environment protection type electric power electric cabinet device
Technical field
The application is related to technical field of power systems, more particularly to a kind of safe environment protection type electric power electric cabinet device.
Background technology
Electric power electric cabinet is a kind of common power infrastructures, due to being equipped with substantial amounts of Electricity Department inside electric power electric cabinet Part, therefore, its protective are particularly important.
With the development of modern science and technology, various electronic equipments are increasing, TV, computer, micro-wave oven, electric blanket, The electrical equipment such as mobile phone turn into the indispensable part of daily life, cause Contamination of Electromagnetic Wave ubiquitous, electromagnetic pollution meeting pair The normal work of electric power electric cabinet affects, severe patient, electric power electric cabinet can be caused to paralyse, so as to cause bigger Loss.
It is a kind of effective preventive means to install electromagnetic wave absorption material for electric power electric cabinet, can effectively reduce electromagnetism Pollution, the characteristics of preferable absorbing material should have strong absorption, wide-band, thickness of thin, light weight, existing microwave absorption material Material is difficult to meet these requirements, there is presently no which kind of absorbing material disclosure satisfy that absorption strong, broadband, lightweight, high temperature resistant and The application requirements such as oxidation, the loss frequency band particularly absorbed more than 20dB is too narrow.Ferrite is the main body in microwave absorption technique Material, with stable chemical property, high magnetic permeability, high magnetic loss, the advantages of frequency of use is high, with dielectric loss and magnetic The characteristic of dielectric loss, but there is big density, low frequency absorption difference, the problem of wave frequency band is narrow inhaled, to ferrite wave-absorbing material in it Being suitably modified and designed synthesis has that electro-magnetic wave absorption is strong, wideband, the absorbing material that coating is thin, density is small are one important Goal in research.
Further, since electric power electric cabinet is generally outdoor application, due to the influence of natural environment so that electric power electric cabinet holds very much Moisture-sensitive, water inlet, corrosion, so as to influence safety utilization of electric power.
The content of the invention
For it is set forth above the problem of, the present invention can be effective there is provided one kind on the basis of conventional electric power regulator cubicle The electric power electric cabinet of waterproof, anti-electromagnetic radiation, i.e., a kind of safe environment protection type electric power electric cabinet device.
The present invention is intended to provide a kind of safe environment protection type electric power electric cabinet device, to solve problem set forth above.
A kind of safe environment protection type electric power electric cabinet device, the electric power electric cabinet device bag are provided in embodiments of the invention The shell being made up of metal is included, the inner side of shell also includes one layer of inner casing being made up of heat-insulating shield, is provided between shell and inner casing Pearl cotton, is connected as one between shell and inner casing by connection member；The outer side is provided with inhaling ripple layer, and suction ripple layer is to steep Foam ceramics absorbing material is attached to outer side and formed, and the back plate of shell is provided with some transverse slats, and each transverse slat outwards retains one Determine angle to be vertically arranged, dividing plate of the inside provided with a longitudinal direction of back plate, dividing plate is provided with a fan；It is covered with the inner casing logical Hole, inner casing is made up of PVC board, and the PVC board is transparent panel, and convex lens array is made in its surface.
The suction ripple thickness degree is 3mm, and the suction ripple layer is to be attached to outer side by foamed ceramics absorbing material to be formed, should Foamed ceramics absorbing material includes by weight percentage：Carborundum 35%, ferrite composite wave-absorbing particle 20%, calcium carbonate fine powder 14%th, silica flour 10%, hydroxymethyl cellulose 6%, Ludox 15%, wherein, the ferrite composite wave-absorbing particle is a kind of ferronickel Oxysome composite wave-absorbing particle, it is with NiFe2O4Magnetic phase and non-magnetic phase tungsten oxide, SiO2、TiO2It is combined, is specially many The TiO of layer hollow-core construction2/SiO2/ tungsten oxide/NiFe2O4。
The technical scheme that embodiments of the invention are provided can include the following benefits：
The electric power electric cabinet device of the present invention includes the shell being made up of metal, and the inner side of shell also includes one layer by thermal insulation The inner casing that plate is constituted, is provided with pearl cotton, is connected as one between shell and inner casing by connection member between shell and inner casing, its In the outer side be additionally provided with suction ripple layer；It can prevent electric power electric cabinet device internal wetted, while the electric power electric cabinet is filled Put the electromagnetic interference that can effectively prevent electromagnetic wave to internal part.
The aspect and advantage that the application is added will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the application.It should be appreciated that the general description of the above and detailed description hereinafter are only It is exemplary and explanatory, the application can not be limited.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings Other accompanying drawings.
Fig. 1 is the structural representation of electric power electric cabinet device of the present invention.
Fig. 2 is shell and inner casing side structure schematic view in electric power electric cabinet device of the present invention.
Fig. 3 is the structural representation of inner casing in electric power electric cabinet device of the present invention.
Wherein, 4- shells, 5- inner casings, 6- pearl cottons, 7- suction ripple layers, 8- splash guards, 9- bases, 10- transverse slats, 11- dividing plates, 12- fans, 13- through holes, 14- convex lens, 15- temperature inductors, 16- switches.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
With reference to Fig. 1, Fig. 2, a kind of safe environment protection type electric power electric cabinet device of the application, the electric power electric cabinet device includes The shell 4 being made up of metal, the inner side of shell 4 also includes one layer of inner casing 5 being made up of heat-insulating shield, is set between shell 4 and inner casing 5 There is pearl cotton 6, connected as one between shell 4 and inner casing 5 by connection member.
In the electric power electric cabinet, the outside of shell 4 is provided with ripple layer 7 is inhaled, and the suction ripple layer 7 is pasted with foamed ceramics absorbing material The outside of shell 4 is attached to be formed；The top of shell 4 is fixedly connected with splash guard 8, and the lower section of shell 4 is fixedly connected with base 9, bottom Seat 9 is the smooth stainless sheet steel in surface, can prevent toy from climbing to the inside of electric power cabinet, and inside is damaged；Shell 4 Back plate is provided with some transverse slats 10, and each transverse slat 10 outwards retains certain angle and is vertically arranged, and the inside of back plate is indulged provided with one To dividing plate 11, dividing plate 11 be provided with a fan 12.
In the electric power electric cabinet, through hole 13 is covered with the inner casing 5, inner casing 5 is made up of PVC board, with appropriate intensity, The PVC board is transparent panel, and the array of convex lens 14 is made in its surface；The inside of inner casing 5 is provided with temperature inductor 15 and switch 16, temperature inductor 15, switch 16 and fan 12 are sequentially connected electrically.
When in use, when the internal-external temperature difference of the electric power electric cabinet of the application is larger, the surface of shell is in compared with cold state, So cause the through hole of hot-air through inner housing surface inside cabinet to move to the inwall of shell, and shell inwall to the cold Liquefy as liquid pearl, so that the liquid integument is isolated in the interlayer between shell and inner casing；Because the inner casing is transparent PVC board, Convex lens array is provided with its surface, then the heat radiation inside electric power electric cabinet can be acted on outer casing inner wall through inner casing A series of dot matrix are formed, the dot matrix enables to the liquid pearl rapid evaporation around it, while the pearl cotton between shell and inner casing Can also absorbing liquid pearl, more avoid the contact of cabinet internal part and liquid pearl, eliminate electric leakage etc. potential safety hazard；Work as temperature When too high, temperature sensor senses to overheat, driving switch opens fan cooling.
The technical scheme of the application, when in use, except that can radiate in addition to waterproof, outer side is provided with suction ripple layer, the suction Ripple layer is strong for the absorption of electromagnetic wave, loss ability, so as to ensure the safe operation of cabinet inner part.
It is preferably carried out in one kind in mode, suction ripple 7 thickness of layer are 3mm, and it is attached by foamed ceramics absorbing material In outer side formation, the foamed ceramics absorbing material includes by weight percentage：Carborundum 35%, ferrite composite wave-absorbing Particle 20%, calcium carbonate fine powder 14%, silica flour 10%, hydroxymethyl cellulose 6%, Ludox 15%.
Wherein, the preparation process of the foamed ceramics absorbing material is：
Step 1：Hydroxymethyl cellulose is soluble in water, and ultrasonic disperse obtains viscous liquid；
Step 2：Silicon carbide micro-powder, ferrite composite wave-absorbing particle, carbonic acid are added in the viscous liquid obtained by upper step Calcium micro mist, stirs；
Step 3：Add to be placed in container molding after Ludox is sufficiently mixed uniformly and be molded, then can be obtained by high temperature sintering To foamed ceramics absorbing material.
Ferrite sintered absorbing material has the advantages that to inhale the foamed ceramics absorbing material that ripple is strong, frequency band is wider, of the invention With good absorbing property, mechanical property, heat resistance.
In further preferably embodiment, the ferrite composite wave-absorbing particle is a kind of Ni ferrite composite wave-absorbing Grain, it is with NiFe2O4For magnetic phase, NiFe2O4Belong to spinel type ferrite, be important functional material, be widely used in The electronics industry such as mutual inductance device, magnetic core bearing, change-over switch, as absorbing material exist larger density, low frequency absorption difference, The shortcomings of absorption frequency is not wide enough by force.
Therefore, the ferrite composite wave-absorbing particle involved by the application, it is with NiFe2O4Magnetic phase and non-magnetic phase oxygen Change tungsten, SiO2、TiO2It is combined, specially the TiO of multi-layer hollow structure2/SiO2/ tungsten oxide/NiFe2O4。
In the technical scheme of the application, what the hollow-core construction of the ferrite composite wave-absorbing particle was formed by：First Using pollen as template, Hydrothermal Synthesiss pollen/NiFe2O4, through oversintering, pollen template is removed, hollow-core construction is obtained NiFe2O4, then tungsten oxide layer, SiO are coated successively in outer layer again2、TiO2, finally obtain the TiO of multi-layer hollow structure2/SiO2/ Tungsten oxide/NiFe2O4。
By using pollen template, the NiFe for foring hollow-core construction is prepared2O4, the NiFe2O4Hollow-core construction produce Positive effect, on the one hand, so that the NiFe2O4Density is effectively reduced, and meets lighting requirement；On the other hand, electromagnetism is worked as When ripple is incided in the hollow-core construction, the hollow-core construction enables to the order of reflection of electromagnetic wave to increase, and adds electromagnetic wave Electromagnetic consumable, so as to improve the absorbing property of electromagnetic wave.
Pollen is used to be advantageous in that for template, pollen is long common in nature, is applied to absorbing material In technical scheme it is few, its surface has rough vesicular texture so that the NiFe of hollow-core construction2O4Also show as Hollow vesicular texture, is conducive to electro-magnetic wave absorption.
In addition, in the application, by NiFe2O4With TiO2With reference to TiO2It is a kind of stable semi-conducting material of chemical property, Photocatalysis performance is normally behaved as, for photocatalytic self-cleaning material, or in the products such as papermaking, rubber, being used as filling Agent, colouring agent are used, by itself and NiFe in the application2O4With reference to NiFe can be improved2O4Lossy microwave efficiency, hence it is evident that improve Its electromagnetic parameter, particularly improves obvious to complex permeability imaginary part, improves its microwave absorbing property；However, due to TiO2Jie Electric constant is larger, NiFe2O4With TiO2Directly in conjunction with the dielectric constant of absorbing material can be significantly increased, is unfavorable for absorbing material Space impedance is matched, in order to improve NiFe2O4With TiO2In the electromagnetic parameter of composite, the technical scheme of the application, NiFe2O4With TiO2Between add tungsten oxide and SiO2Material, wherein, tungsten oxide shows as a kind of important semi-conducting material, It is widely used in terms of information storage, color-changing window, dye cell, chemical sensor, in the technical scheme of the application, By tungsten oxide and SiO2With reference to being used as NiFe2O4With TiO2Between transition zone, while making its magnetic conductivity increase, dielectric constant Increase is limited.
That is, the application design has synthesized the TiO of multi-layer hollow structure2/SiO2/ tungsten oxide/NiFe2O4。
In technical scheme, described multi-layer hollow structure Ti O2/SiO2/ tungsten oxide/NiFe2O4Composite wave-absorbing material The preparation process of material is as follows：
S1：Prepare hollow-core construction NiFe2O4：Weigh appropriate surfactant polyethylene (PEG), detergent alkylate sulphur Sour ammonium (SDBS) is dissolved in distilled water, then thereto stoichiometrically 1:2 add a certain amount of Fe (NO3)3·9H2O、Ni (NO3)2·6H2O, with CO (NH2)2Adjust between pH to 10~11, stir, obtain precursor solution；Then, filter out straight Footpath is 20 μm of rape flower flower pollen, is rinsed, dried with alcohol；Dry pollen is added in above-mentioned precursor solution, by force Power stirs 15h, precursor solution is transferred in autoclave 12h is reacted in 240 DEG C, and natural cooling through separation of solid and liquid, washing, is done It is dry, 600 DEG C of calcining 5h are raised to 2 DEG C/min heating rate in air anneal stove, pollen is removed, obtains hollow-core construction NiFe2O4。
S2, coats tungsten oxide：By appropriate WCl6It is dissolved in ethanol solution, 6h is stirred at room temperature, then will It, which is placed in 60 DEG C of baking oven, stands 24h, adds the appropriate ethanol solution containing polyethylene glycol, obtains WO3Presoma Solution, then by above-mentioned hollow-core construction NiFe2O4Add in the ethanol solution, stir, stand 5 days, through separation of solid and liquid, Tungsten oxide/NiFe of hollow-core construction is obtained after washing, drying2O4。
S3, coated Si O2：Weigh a certain amount of above-mentioned hollow-core construction tungsten oxide/NiFe2O4It is added to ethanol solution In, then ultrasonic agitation adds appropriate H2O, adds appropriate tetraethyl orthosilicate absolute ethyl alcohol mixed liquor, is finally slowly added dropwise Ammoniacal liquor adjusts pH, and ultrasonic disperse is stirred again, adds a small amount of citric acid modification surface, filters, and washing is dried to obtain hollow-core construction SiO2/ tungsten oxide/NiFe2O4。
S4, coats TiO2：
A) first, it is surface-treated SiO2/ tungsten oxide/NiFe2O4：By deionized water, emulsifying agent DBSA ammonium (SDBS), polyoxyethylene octylphenol ether (OP-10) is added equipped with mechanical agitation, reflux condensing tube, nitrogen protection and thermometer In reaction vessel, heating water bath is to 70 DEG C, and stirring makes its dissolving obtain standby emulsification system；By Silane coupling reagent KH-570 and The SiO of upper step2/ tungsten oxide/NiFe2O4It is added in styrene, emulsification system is added after ultrasonic 10min, after emulsification half an hour again Add initiator ammonium persulfate and buffer NaHCO3, be warming up to 80 DEG C and be incubated 2.0h, then rise to 90 DEG C insulation 0.5h after stop Only react, be demulsified, use hot water cyclic washing, be dried to obtain PS/SiO2/ tungsten oxide/NiFe2O4；
B) TiO is prepared2/SiO2/ tungsten oxide/NiFe2O4：Deionized water is added in flask, then add appropriate SDBS and Polyvinylpyrrolidone (PVP), it is 2.3 that its pH value is adjusted with hydrochloric acid, then while stirring by butyl titanate and absolute ethyl alcohol Mixed solution add, then add the ethanol solution of five water cobalt nitrates and cerous nitrate, continue to stir 1h, then add The PS/SiO stated2/ tungsten oxide/NiFe2O4, pH value is adjusted with ammoniacal liquor, 24h is stood at 60 DEG C, is washed with distilled water and absolute ethyl alcohol Wash, TiO is obtained after drying2/PS/SiO2/ tungsten oxide/NiFe2O4, PS is removed, calcining 5h at 600 DEG C obtains hollow-core construction TiO2/SiO2/ tungsten oxide/NiFe2O4, i.e. ferrite composite wave-absorbing particle.
Shield effectiveness test is carried out to above-mentioned suction ripple layer, it is found that its electromagnetic wave attenuation effect is relatively good, and maximum loss reaches To 35dB, depletion efficiency exceedes 20dB cline frequency width close to 4GHz, and the wave-absorber density is smaller, inhales wave frequency bandwidth, has Beneficial to its practical application.
The preferred mode of the present invention is the foregoing is only, is not intended to limit the invention, all spiritual and originals in the present invention Within then, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (9)

1. a kind of safe environment protection type electric power electric cabinet device, the electric power electric cabinet device includes the shell being made up of metal, shell Inner side also include one layer of inner casing for being made up of heat-insulating shield, pearl cotton is provided between shell and inner casing, is led between shell and inner casing Connection member is crossed to connect as one；Characterized in that, the outer side is provided with ripple layer is inhaled, the suction ripple layer inhales ripple material with foamed ceramics Material is attached to outer side and formed, and the back plate of shell is provided with some transverse slats, and each transverse slat outwards retains certain angle and arranged vertically Row, dividing plate of the inside provided with a longitudinal direction of back plate, dividing plate is provided with a fan；It is covered with through hole on the inner casing, inner casing is by PVC board Constitute, the PVC board is transparent panel, and convex lens array is made in its surface.
2. safe environment protection type electric power electric cabinet device according to claim 1, it is characterised in that the top of shell, which is fixed, to be connected It is connected to splash guard.
3. safe environment protection type electric power electric cabinet device according to claim 2, it is characterised in that the lower section of shell, which is fixed, to be connected Base is connected to, base is the smooth stainless sheet steel in surface.
4. safe environment protection type electric power electric cabinet device according to claim 3, it is characterised in that the inside of inner casing is provided with temperature Inductor and switch are spent, temperature inductor, switch and the fan are sequentially connected electrically.
5. safe environment protection type electric power electric cabinet device according to claim 1, it is characterised in that the suction ripple thickness degree is 3mm, the suction ripple layer is to be attached to outer side by foamed ceramics absorbing material to be formed.
6. safe environment protection type electric power electric cabinet device according to claim 5, it is characterised in that the foamed ceramics inhales ripple material Material includes by weight percentage：Carborundum 35%, ferrite composite wave-absorbing particle 20%, calcium carbonate fine powder 14%, silica flour 10%, Hydroxymethyl cellulose 6%, Ludox 15%.
7. safe environment protection type electric power electric cabinet device according to claim 6, it is characterised in that the foamed ceramics inhales ripple material The preparation process of material is：
Step 1：Hydroxymethyl cellulose is soluble in water, and ultrasonic disperse obtains viscous liquid；
Step 2：Silicon carbide micro-powder, ferrite composite wave-absorbing particle, calcium carbonate are added in the viscous liquid obtained by upper step micro- Powder, stirs；
Step 3：Add to be placed in container molding after Ludox is sufficiently mixed uniformly and be molded, then it is to be steeped to pass through high temperature sintering Foam ceramics absorbing material.
8. safe environment protection type electric power electric cabinet device according to claim 7, it is characterised in that the ferrite composite wave-absorbing Particle is a kind of Ni ferrite composite wave-absorbing particle, and it is with NiFe2O4Magnetic phase and non-magnetic phase tungsten oxide, SiO2、TiO2Phase With reference to the specially TiO of multi-layer hollow structure2/SiO2/ tungsten oxide/NiFe2O4。
9. safe environment protection type electric power electric cabinet device according to claim 8, it is characterised in that the ferrite composite wave-absorbing What particle was formed by：First using pollen as template, Hydrothermal Synthesiss pollen/NiFe2O4, through oversintering, pollen template is gone Remove, obtain the NiFe of hollow-core construction2O4, then tungsten oxide layer, SiO are coated successively in outer layer again2、TiO2, finally obtain multilayer empty The TiO of core structure2/SiO2/ tungsten oxide/NiFe2O4。
CN201710258993.6A 2017-04-20 2017-04-20 A kind of safe environment protection type electric power electric cabinet device Pending CN107018632A (en)

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