CN108551713A - A kind of Electrostatic Absorption panel - Google Patents

A kind of Electrostatic Absorption panel Download PDF

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Publication number
CN108551713A
CN108551713A CN201810294484.3A CN201810294484A CN108551713A CN 108551713 A CN108551713 A CN 108551713A CN 201810294484 A CN201810294484 A CN 201810294484A CN 108551713 A CN108551713 A CN 108551713A
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CN
China
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layer
electrode
absorption panel
electrostatic absorption
electrostatic
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宋红兵
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CHENGDU TONGMING NEW MATERIAL TECHNOLOGY Co Ltd
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CHENGDU TONGMING NEW MATERIAL TECHNOLOGY Co Ltd
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Priority to CN201810294484.3A priority Critical patent/CN108551713A/en
Publication of CN108551713A publication Critical patent/CN108551713A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00Carrying-off electrostatic charges
    • H05F3/06Carrying-off electrostatic charges by means of ionising radiation

Abstract

The invention belongs to panel fields, more particularly to a kind of Electrostatic Absorption panel, including function medium layer, insulating layer, barrier layer, electrode layer and the dielectric substrate layer set gradually from top to bottom, it is characterised in that the function medium layer, insulating layer and barrier layer take the multi-layer compound structure of accurate control thickness;Completely seamless unoccupied place is covered in electrode layer surface to the barrier layer, and with insulating layer seamless connection;The insulating layer and electrode layer take level crossing complementation setting structure in the horizontal direction.Using pulse mode power supply, generate electrostatic adsorption force.The Electrostatic Absorption panel of the present invention can generate stronger electrostatic adsorption force under lower condition of power supply, have many advantages, such as efficient, energy saving, humidity, and can meet and the safety requirements of direct body contact.

Description

A kind of Electrostatic Absorption panel
Technical field
The invention belongs to adsorb panel technology field more particularly to a kind of Electrostatic Absorption panel.
Background technology
The principle of Electrostatic Absorption mainly applies high-voltage electricity in conductive electrode (electric field is usually in the range of 1kV/mm or so) A large amount of free charges are produced on electrode afterwards, the electric field that free charge excitation generates makes wall surface polarize and generate polarization charge, profit Absorption is realized with the electric field force effect between polarity opposite charges on electrode and wall surface.It is widely used is clamped work in fixture Material conveys and captures, advanced composite material and fibrous material (such as cloth is clamped in part, space mission bonding, semicon industry And carbon fiber) end-effector, the climbing robot of manufacturing automation and warehouse automation and the bonding of materials handling cell Mechanism.
Electrostatic Absorption is a complexity and dynamic electrostatic attraction phenomenon, and resistivity, thickness, the dielectric of dielectric substance are normal Number, dielectric strength, surface pattern, molecular structure, molecular mass, molecular polarity, crystallinity and its electronegativity, the figure of electrode Shape, spacing, width, thickness, length, conductivity and supply voltage size, polarity of voltage and output current, the thickness of baseplate material Degree, surface texture, dielectric constant, electronegativity, resistivity, crystallinity, molecular structure, molecular weight and molecular polarizability, and make With between the temperature of environment, humidity, pressure, Electrostatic Absorption pad and substrate the air gap and nearly 30 Multiple factors such as pollutant it is all right The electrostatic adsorption force size of Electrostatic Absorption panel surface has an impact.Shown between single parallel plate capacitor according to existing theoretical research E field electrostatic power size is:
Wherein C is interelectrode capacitance, and V is electrode voltage, and d is electrode spacing.There are breakdown voltages between electrode, it is impossible to logical Cross infinitely increase alive mode improve electrostatic force, therefore several (N number of) coplanar shunt electrodes patterns may be used to increase Power-up is held, to increase electrostatic force.According to correlation theory research and empirical equation, N number of coplanar shunt electrodes excitation high pressure can be obtained Electric field make wall surface polarization generate electrostatic force size be:
Wherein ε0For the dielectric constant of the air gap, εrFor the relative dielectric constant of insulating layer material, d is electrode spacing, electricity Spacing (theory simplifies) between pole and wall surface, w are the width of single shunt electrodes, and l is the length of single shunt electrodes, and V is electricity Pole tension.In conclusion influence shunt electrodes absorption panel principal element have geometric electrode structure (such as length, width, Away from), the relative dielectric constant of insulating layer material, electrode both ends supply voltage value.
The electrode structure for being presently used for electrostatic attraction board has monopole type and two kinds ambipolar.The adsorption capacity of bipolar electrode It is related with the topological structure of the geometric dimension of electrode and arrangement, ambipolar absorption than monopole type identical in voltage Power is small.But ambipolar absorption is controllable, fast response time, does not need auxiliary electrode, equipment is lighter.Currently, ambipolar quiet The report of Electro Sorb plate has rectangular (patent No. CN 2777687Y), and comb-shaped cross electrodes rest on theoretical research stage more.
Currently, Electrostatic Absorption product is many on the market, but usually has the following disadvantages:1. voltage is higher, most of power supplies Voltage is higher than 4kV to 10kV or more, and as civilian, especially children or daily necessities, there are the danger of electric shock;2. high direct voltage Power supply generates electrostatic, forms lasting static charge buildup in surface of insulating layer, is easy be partially formed electrion, both uneasy Entirely, ozone is also easy tod produce, environmental pollution is formed;3. there is use condition harsh, especially ambient humidity influences electric stress Larger, under the conditions of humidity is more than 70%, electrostatic adsorption force has greater attenuation;4. volume is big, energy consumption is higher, it is unfavorable for outgoing take Band.
Invention content
In order to solve the above technical problems, the present invention provides a kind of Electrostatic Absorption panel, suction is strong, energy consumption is low, uses model More, long lifespan etc. is enclosed, has the characteristics that safe efficient, strength.
A kind of Electrostatic Absorption panel in the present invention of the above technical problem is solved, including the work(set gradually from top to bottom Energy dielectric layer, insulating layer, barrier layer, electrode layer and dielectric substrate layer, it is characterised in that the function medium layer, insulating layer and resistance Interlayer takes the multi-layer compound structure of accurate control thickness;Completely seamless unoccupied place is covered in electrode layer surface to the barrier layer, And with insulating layer seamless connection;The insulating layer and electrode layer take level crossing complementation setting structure in the horizontal direction.
The function medium layer is formed by 1-2 layer function insulating materials is compound, integral thickness be 0.001~ 0.025mm;The insulating layer is formed by 2~9 layers of insulating materials are compound, and integral thickness is 0.005~1.0mm;The barrier Layer thickness is 0.001~0.01mm.The function dielectric layer surface hardness can be 2~5H.
The function medium layer, insulating layer and the barrier layer material therefor can be identical or different, and are polyvinylidene fluoride Alkene (PVDF), polytetrafluoroethylene (PTFE) (PTFE), fluorinated ethylene propylene copolymer (FEP), poly- perfluoroalkoxy resin (PFA), poly- three Fluorine vinyl chloride (PCTFE), one chlorotrifluoroethylene of ethylene (ECTFE), Ethylene/tetrafluoroethylene (ETFE), poly- fluorine Ethylene (PVF), fluorinated acrylate, flucride siloxane, polyurethane (PU), polyurethane-modified polyacrylate, polyvinyl chloride (PVC), polymethyl methacrylate (PMMA), makrolon (PC), polyimides (PI), polyamide (PA), epoxy resin (PE), one kind in the coating or film based on the associated resins such as modification acrylate, polyfunctional acrylic ester, organosilicon Or it is a variety of.
It selects the better material of dielectric strength as insulating layer, can also add toner and filler in insulating layer, make outside product It sees consistent.Outermost layer function medium layer, is not only responsible for the generation of charge and moisture-proof pith, this some materials is necessary With excellent hydrophobic character, low-surface-energy material or high crosslink density material can be taken, water mist is prevented to be opened in surface spreading, compared with Few charge decay in wet condition, to reach moisture-proof function.
The electrode structure of the electrode layer is made of group the electrode of one or more sets level crossings;The single pair electrode is wide Degree is 15~50mm, and the interelectrode insulation spacing of single pair is 0.5~8.0mm, and electrode layers thickness is 0.001~0.1mm.
The level crossing electrode shape of the electrode layer is parallel lines, parallel semicircle wave, sine wave and square In one kind.Take staggered form electrode, at least two groups conductive electrode that can increase capacity area by different curve forms.Together When, pointed structures should be avoided as possible, prevent internal field from distorting.Plates capacitance amount is improved, electrostatic adsorption force is increased.
The electrode layer is prepared by electrocondution slurry;The electrocondution slurry includes conductive filler and resin, wherein described Conductive filler is made of one or more in silver powder, copper powder, silver-plated copper powder, nickel powder, conductive carbon powder and carbon nanotube;The tree Fat is by one in epoxy resin, acrylic resin, polyurethane, thermoplastic polyvinyl alcohol butyral (PVB), polyurethane, neoprene Kind or a variety of compositions;The electrocondution slurry can also include auxiliary agent, adjuvant used for aerosil, organically-modified silicic acid It is one or more in salt, hydrated magnesium silicate, rosin, polyurethane, chlorinated rubber and polyvinyl butyral.
The electrostatic potential source is connected by conducting rod with Electrostatic Absorption panel electrode layer;The electrostatic potential source uses low current High-voltage pulse mode is powered, and discharge frequency needs to be adapted with function medium layer structure, special according to function medium layer polarity, electric discharge Property, crosslink density, strobe pulse frequency be 2~30Hz, voltage be 300~3000V.Using pulse mode power supply, generate electrostatic Adsorption capacity.
Function dielectric layer mechanism refers mainly to material strand itself and branched structure in the present invention.
The conducting rod is copper, silver-colored conductive metal material;Its shape is similar to rivet, by open circles mast and the ring of upper end one The integral structure of shape sheet metal composition;Endless metal thin slice is buried in two electrodes of Electrostatic Absorption panel electrode layer;Electricity Upper end during source electric wire is connected on the inside of cylindrical bar;Cylinder upper end is that conductive paste combines together with electrode layer, and hypomere is epoxy resin.
The dielectric substrate layer is that moisture-proof timber, copper-clad plate, polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene (ABS) are total Polymers (ABS), polymethyl methacrylate (acrylic board PMMA), makrolon (PC), polypropylene (PP), epoxy glass-fiber-plate, One kind or compound in phenolic aldehyde cardboard, crude pottery, fine pottery, simple glass, quartz glass, tempered glass, potash glass, borate glass Material.The material that substrate selects waterproof ability good, and material thickness is more than 1mm.
The integral thickness of the strength Electrostatic Absorption panel is less than 5.0mm, and area is 0.0001~100m2
The insulating dielectric materials are mainly used for filling two inter-electrode gaps of the electrode layer, while the insulating layer Thickness is equal or slightly larger than the thickness of the electrode layer.
The present invention takes a kind of barrier layer fabulous with substrate and conductive layer compatibility, is being led by way of liquid phase coating The pantostrat that accurate attachment is formed between electric layer, substrate gap obstructs moisture-proof effect to realize;Using minimum 2 kinds of materials, Layering alternately applies, minimum 2 layers, most 9 layers so that while meeting insulation, meets and obstructs moisture-proof requirement, improves insulation Efficiency and barrier waterproof efficiency.
The strength Electrostatic Absorption panel of the present invention:
(1) strong electrostatic adsorption force:1. the present invention considered in theory the chemical composition of electrode layer, electrode shape, Geometric electrode structure, while experimental result is repeated according to system and determines relevant parameter, it is ensured that the strong electrostatic of Electrostatic Absorption panel Adsorption capacity;2. reasonably selecting function dielectric layer material, response time and power supply of the dielectric function layer material in weak electric field Frequency matches so that the polarization charge of Electrostatic Absorption panel surface reaches maximum in low suppling voltage, to realize Strong electrostatic adsorption force;
(2) securely and reliably, can meet with the safety requirements of direct body contact, can be used for the product for civilian use:The present invention's is quiet Electro Sorb panel also innovatively uses pulse other than selecting the matched insulating materials of dielectric constant that can prevent breakdown from leaking electricity Discharge mode is powered, and the certain interval of time between each charging, surface stored charge amount can during this period of time occur centainly Decaying, this so that on Electrostatic Absorption panel most surface layer a large amount of polarization charges will not be accumulated, to prevent high voltage air breakdown The generation of discharge scenario;
(3) humidity, use condition are mild:Present invention introduces function dielectric layer with material have super-hydrophobicity, Bu Huiyin Water mist for Electrostatic Absorption panel surface makes polarization charge disappear, thus product of the present invention can use in wet environment;
(4) service life is long:1. present invention introduces barrier layer completely seamlessly electrode layer and insulating layer can be combined into One, can prevent the moisture in air from penetrating into electrode layer to influence the generation of polarity charge, therefore the present invention can be in humidity It is used for a long time in environment;2. the function dielectric layer surface hardness of most surface of the present invention reaches 2~5H, crocking resistance is good, makes Surface is not easy to scratch.
The present invention adsorbs panel under conditions of supplying voltage and certain insulating materials, has and is conducive to improve electrostatic adsorption force Electrode shape and geometry, and it is innovative propose wavy electrode, in the identical situation of shunt electrodes number, single wave The total length of shape electrode will be longer than comb electrode, to realize in identical contact area, electrostatic adsorption force bigger.By this hair The implementation of bright middle absorption panel, realizes when pulse voltage is 520V between electrode, generates about 0.2N/cm2 stiction (panels Effect uprightly).Stronger electrostatic adsorption force can be generated under lower condition of power supply, there is efficient, energy saving, humidity The advantages that, and can meet and the safety requirements of direct body contact.
The present invention can not only be applied to manipulator executing agency class industrial products, moreover it is possible to be applied to the product for civilian use, as drawing board, Panel etc. substitutes traditional panel for needing to be fixed by modes such as clip, drawing pin, glue, adhesive tape, magnet, drawing board, exhibition Plate, pasting boards etc..
Description of the drawings
Following further describes the present invention with reference to the drawings.
Fig. 1 is Electrostatic Absorption panel sectional view in the present invention;
Fig. 2 is the wavy electrode vertical view of Electrostatic Absorption panel parallel intersecting semicircles in the present invention;
Fig. 3 is that Electrostatic Absorption panel parallel intersects square-wave-shaped electrode vertical view in the present invention;
Fig. 4 is Electrostatic Absorption panel parallel cross linear shape electrode vertical view in the present invention;
Fig. 5 is the wavy electrode vertical view of two groups of level crossings of Electrostatic Absorption panel in the present invention;
Fig. 6 is the timing chart of Electrostatic Absorption panel electrostatic potential source in the present invention.
In figure:
1. function medium layer, 2. insulating layers, 3. barrier layers, 4. electrode layers be (- 2 electrode layer of electrode Isosorbide-5-Nitrae of 4-1 electrode layers Electrode 2), 5. dielectric substrate layers, 6. for electric pole, 7. electrostatic potential sources, l. electrode lengths, 2w+d. single pair electrode widths, between d. insulation Away from w. single electrode width
Specific implementation mode
Invention is further explained with specific implementation mode with reference to the accompanying drawings of the specification:
Embodiment 1
Electrostatic Absorption panel include the function medium layer set gradually from top to bottom, insulating layer, barrier layer, electrode layer and absolutely Edge substrate layer, the function medium layer, insulating layer and barrier layer take the multi-layer compound structure of accurate control thickness;The barrier Completely seamless unoccupied place is covered in electrode layer surface to layer, and with insulating layer seamless connection;The insulating layer and electrode layer are in level Take level crossing complementation setting structure in direction.
Wherein function medium layer is formed by 1 or 2 layer function insulating materials are compound, integral thickness 0.001mm;Insulation Layer is formed by 2~9 layers of insulating materials are compound, integral thickness 0.005mm;Barrier layer thickness is 0.001mm.Function dielectric layer Case hardness can be 2~5H.
Electrostatic potential source is connected by conducting rod with Electrostatic Absorption panel electrode layer;Electrostatic potential source uses low current high-voltage pulse Mode is powered, and discharge frequency needs to be adapted with function medium layer structure, according to function medium layer polarity, flash-over characteristic, crosslinking Density, strobe pulse frequency are 2Hz, voltage 300V.Using pulse mode power supply, generate electrostatic adsorption force.
Conducting rod is copper, silver-colored conductive metal material;Its shape is similar to rivet, by open circles mast and the annular gold of upper end one Belong to laminar integral structure;Endless metal thin slice is buried in two electrodes of Electrostatic Absorption panel electrode layer;Power supply electricity Upper end during line is connected on the inside of cylindrical bar;Cylinder upper end is that conductive paste combines together with electrode layer, and hypomere is epoxy resin.
The electrode structure of electrode layer is made of group the electrode of one or more sets level crossings;Single pair electrode width is 15mm, the interelectrode insulation spacing of single pair are 0.5mm, electrode layers thickness 0.001mm.The level crossing electrode shape of electrode layer For sine wave.Function medium layer, insulating layer and barrier layer material therefor are different, and function medium layer is Kynoar (PVDF), Insulating layer is poly- perfluoroalkoxy resin (PFA), and barrier layer is fluorinated acrylate.
Dielectric substrate layer is polymethyl methacrylate (acrylic board PMMA);Electrode layer is prepared by electrocondution slurry; The electrocondution slurry includes conductive filler and resin, and wherein conductive filler is silver-plated copper powder;Resin is neoprene;Auxiliary agent is gas phase Silica.
Embodiment 2
Content in other contents such as embodiment 1, wherein function medium layer are formed by 1 or 2 layer function insulating materials are compound, Its integral thickness is 0.025mm;Insulating layer is formed by 2~9 layers of insulating materials are compound, integral thickness 1.0mm;Barrier layer thickness Degree is 0.01mm.Function dielectric layer surface hardness can be 2~5H.
Electrostatic potential source strobe pulse frequency is 30Hz, voltage 3000V.
The electrode structure of electrode layer is made of group the electrode of one or more sets level crossings;The single pair electrode width is 50mm, the interelectrode insulation spacing of single pair are 8.0mm, electrode layers thickness 0.1mm.The level crossing electrode shape of electrode layer is Square wave.
Function medium layer, insulating layer are identical with the barrier layer material therefor, and are polyfunctional acrylic ester and organic Coating based on the associated resins such as silicon or film.
Dielectric substrate layer is phenolic aldehyde cardboard;Electrode layer is prepared by electrocondution slurry;The electrocondution slurry is filled out including conduction Material and resin, wherein conductive filler are nickel powder;Resin is polyurethane, and auxiliary agent is organic modified silicate.
Embodiment 3
Content in other contents such as embodiment 1, wherein function medium layer are formed by 1 or 2 layer function insulating materials are compound, Its integral thickness is 0.015mm;Insulating layer is formed by 2~9 layers of insulating materials are compound, integral thickness 0.05mm;The resistance Compartment thickness is 0.005mm.Function dielectric layer surface hardness can be 2~5H.
Electrostatic potential source strobe pulse frequency is 15Hz, voltage 1500V.
The electrode structure of electrode layer is made of group the electrode of one or more sets level crossings;The single pair electrode width is 15~50mm, the interelectrode insulation spacing of single pair are 0.5~8.0mm, and electrode layers thickness is 0.001~0.1mm.Electrode layer is put down Row crossed electrode shape is parallel lines.
Function medium layer, insulating layer and the barrier layer material therefor can be identical, and are Kynoar (PVDF), poly- Coating or film based on the associated resins such as tetrafluoroethene (PTFE), polyimides (PI), modification acrylate.
Dielectric substrate layer is quartz glass;Electrode layer is prepared by electrocondution slurry, electrocondution slurry include conductive filler and Resin, conductive filler are that conductive carbon powder and carbon nanotube form;Resin is made of epoxy resin and acrylic resin;The conduction Glue is aerosil.
Embodiment 4
Insulating substrate uses commercially available 5 laminate, thickness 3mm, 1 laminate of scheme not to handle, 2 plank epoxy resin dipping of scheme, Gu Change for use after drying.
Electrode layer uses the linear electrode structure of level crossing such as Fig. 4, single pair interelectrode insulation spacing 4mm commercially available Electrocondution slurry is rinsed in the 55% framed method of concentration conductive silver paste, painting, and 110 DEG C, 30 minutes dry, electrode layers thickness 0.05mm.
Electrode layer surface sprays aqueous PVDF coating, and 105 DEG C of drying spray 3 times, sequentially form barrier from bottom to top respectively Layer, insulating layer and function dielectric layer, three total coating thicknesses are 0.1mm.
Electrostatic potential source:It is powered using low current high-voltage pulse mode, pulse frequency 5Hz, voltage 1100V.
Insulation resistance and absorption shearing force between test electrode:
Shearing force is adsorbed to measure:Perpendicular to the ground by test board, it hangs on the tester rack.The pure wood pulp copy papers of deli, A4 are put down It is layered on and delimit in 20x20cm frames, lower part hangs counterweight by clamping plate, is stepped up counterweight amount, A4 papers to be measured move When, added counterweight weight is adsorption plate absorption shearing force.It repeats 9 times, records arithmetic average.When measurement, 1 is powered on It after minute, pastes and measures paper, counterweight amount is gradually increased again after waiting for 1 minute.
Wet condition aging:23 DEG C, humidity:Saturation.
Test result:
Embodiment 5
Insulating substrate uses epoxy copperplate (scheme 3) and phenolic aldehyde copper-clad plate (scheme 4,5), plate thickness 3mm, covers copper thickness 0.1mm.Using etching method, electrode is prepared by such as Fig. 4 structures.
Electrode layer surface apply epoxy resin, 23 DEG C, 24 hours solidification after form barrier layer, apply asphalt mixtures modified by epoxy resin again on barrier layer Fat forms insulating layer, thickness of insulating layer, scheme 3,4:0.1mm, scheme 5:0.15mm;Again in the conformal paint of surface spraying polyurethane Function dielectric layer is formed, is dried 4 hours for 100 DEG C after drying in the shade, it is cooling for use.
Electrostatic potential source:Pulse frequency 5.5Hz, voltage 1100V.Insulation resistance and absorption shearing force are (the same as real between test electrode Apply example 1).
Humidity aging condition:23 DEG C, humidity:Saturation.
Test result:
Embodiment 6
Insulating substrate uses ABS plates, plate thickness 2mm.Using level crossing semicircle wavelike structure, single pair electrode in such as Fig. 2 Between insulation spacing 4mm (scheme 6).
Electrode layer uses commercially available 65% concentration conductive copper paste, and using framed method, electrocondution slurry is rinsed in painting, and 85 DEG C, 90 minutes are dried It is dry, electrode layers thickness 0.05mm.
Electrode layer surface sprays PVDF bottom-coatings, and 85 DEG C dry 2 hours, form barrier layer;PVDF finishing coats are sprayed again, are sprayed It applies 2 times, sequentially forms insulating layer and function medium layer, 85 DEG C dry 4 hours, last three layer coating overall thickness 0.1mm.
Electrostatic potential source:Pulse frequency 6.6Hz, voltage 900V.Insulation resistance and absorption shearing force are (the same as implementation between test electrode Example 1).
Humidity aging condition:23 DEG C, humidity:Saturation.
Test result:
Embodiment 7
Insulating substrate uses ABS plates, plate thickness 2mm.It is interelectrode using level crossing square-wave-shaped structure, single pair in such as Fig. 3 Insulate spacing 3mm (scheme 7), the interelectrode insulation spacing 4mm (scheme 8) of single pair.
Electrode layer uses commercially available 65% concentration electric-conducting nickel paste, and using stencil, printing electrically conductive circuits, 85 DEG C, 90 minutes are dried It is dry, electrode layers thickness 0.03mm.
The primary coat of electrode layer surface roller coating acrylate, UV solidifications, thickness 20g/m2;Roller coating acrylate+titanium dioxide, UV are solid Change, thickness 8g/m2, 2 times;Roller coating epoxy modification acrylate coating, UV solidifications, thickness 22g/m2;The conformal paints of spraying PU+fluorine-containing Acrylate, 85 DEG C dry 2 hours, form insulating layer, barrier layer and function medium layer, overall thickness 0.12mm or so.
Power supply:Pulse frequency 15Hz, voltage 1300V.Insulation resistance and absorption shearing force (same embodiment between test electrode 1)。
Humidity aging condition:23 DEG C, humidity:Saturation.
Test result:
Embodiment 8
Insulating substrate uses ABS plates, plate thickness 2mm.Using level crossing semicircle wavelike structure, single pair electrode in such as Fig. 2 Between insulation spacing 4mm.
Electrode layer uses commercially available 65% concentration electric-conducting nickel paste, and using stencil, printing electrically conductive circuits, 85 DEG C, 90 minutes are dried It is dry, electrode layers thickness 0.03mm.
The primary coat of electrode layer surface roller coating acrylate, UV solidifications, thickness 20g/m2;Roller coating acrylate+calcium carbonate, UV are solid Change, thickness 8g/m2Roller coating acrylate+titanium dioxide, UV solidifications, thickness 6g/m2, 2 times;Roller coating epoxy modification acrylate coating, UV cures, thickness 20g/m2;Roller coating polyurethane-modified polyacrylate resin, UV solidifications, sequentially form insulating layer, barrier layer and work( Energy dielectric layer, total layer thickness 0.13mm or so.
Power supply:Pulse frequency 3.5Hz, voltage 900V (scheme 9), voltage 1450V (scheme 10).Insulated electro between test electrode Resistance and absorption shearing force (with embodiment 1).
Humidity aging condition:23 DEG C, humidity:Saturation.
Test result:
Embodiment 9
Insulating substrate uses ABS plates, plate thickness 2mm.Using level crossing wavelike structure in such as Fig. 5, single pair is interelectrode The spacing that insulate 4mm.
Electrode layer uses commercially available 65% concentration electric-conducting nickel paste, and using stencil, printing electrically conductive circuits, 85 DEG C, 90 minutes are dried It is dry, electrode layers thickness 0.03mm.
Pvdf membrane is applied on electrode layer, applies acrylic adhesive formation insulating layer, barrier layer and function medium layer, total thickness again 0.175mm, roller temperature 170 DEG C compound with insulating substrate by hot-pressing roller.
Electrostatic potential source:Pulse frequency 4.5Hz, voltage 1250V (scheme 11).Insulation resistance and absorption shearing between test electrode Power (with embodiment 1).
Humidity aging condition:23 DEG C, humidity:Saturation.
Test result:
With electrostatic potential source power-supplying forms in the present invention:1. being powered by way of adding current-limiting resistance:The addition of current-limiting resistance, So that circuit maximum supply current is less than 100 μ A;2. pulsed discharge form is taken to power:There are one between two power pulses A interval time so that there are one decaying more by a small margin for electrode plate surface charge, it is therefore prevented that excessive charge is accumulated, and is avoided The generation of the generation of high electrostatic potential and air breakdown and ozone;Pulse frequency is by electrode plate surface function medium layer molecule knot Structure is corresponding;3. for safety, controlled between 300-3000V using compared with low suppling voltage, it is even by function of surface dielectric layer Extremely son is orientated, and realizes that low voltage generates higher static electric field and the purpose of high adsorption capacity.Function medium layer must also have It is easy absorption electronics in electric field and generates negative electrical charge, or is easy to be taken by force electronics, generates positive charge.
The present invention Electrostatic Absorption panel can under lower condition of power supply (using four section No. 5 or No. 7 battery powereds, Low current pulsed discharge pattern), stronger electrostatic adsorption force is generated, has many advantages, such as efficient, energy saving, humidity, and can meet With the safety requirements of direct body contact.The present invention Electrostatic Absorption panel be suitable for civilian blank, drawing board, panel, bulletin board, Climbing Robot toy, industrial robot executing agency etc..
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within Within protection scope of the present invention.

Claims (10)

1. a kind of Electrostatic Absorption panel, including the function medium layer that sets gradually from top to bottom(1), insulating layer(2), barrier layer (3), electrode layer(4)And dielectric substrate layer(5)And it is placed in the conducting rod in Electrostatic Absorption panel(6)And electrostatic potential source(7), It is characterized in that:The function medium layer(1), insulating layer(2)And barrier layer(3)To take the MULTILAYER COMPOSITE knot of accurate control thickness Structure, wherein barrier layer(3)Completely seamless unoccupied place is covered in electrode layer(4)Surface, and and insulating layer(2)Closely, seamless connection; The insulating layer(2)And electrode layer(3)Level crossing complementation setting structure is taken in the horizontal direction.
2. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The function medium layer(1)By 1 ~ 2 layer The compound composition of functional insulation material, integral thickness are 0.001 ~ 0.025mm;The insulating layer(2)By 2 ~ 9 layers of insulating materials Compound composition, integral thickness are 0.005 ~ 1.0mm;The barrier layer(3)Thickness is 0.001 ~ 0.01mm.
3. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The function medium layer(1), insulating layer (2)And barrier layer(3)Material therefor is identical or different, and is Kynoar(PVDF), polytetrafluoroethylene (PTFE)(PTFE), perfluor Ethylene propylene copolymer(FEP), poly- perfluoroalkoxy resin(PFA), polytrifluorochloroethylene(PCTFE), one trifluoro chloroethene of ethylene Alkene copolymer(ECTFE), Ethylene/tetrafluoroethylene(ETFE), polyvinyl fluoride(PVF), fluorinated acrylate, fluorine silicon Oxygen alkane, polyurethane(PU), polyurethane-modified polyacrylate, polyvinyl chloride(PVC), polymethyl methacrylate(PMMA), poly- carbon Acid esters(PC), polyimides(PI), polyamide(PA), epoxy resin(PE), acrylate or organosilicon associated resin based on The coating of body is one or more in film.
4. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The electrode layer(4)Electrode structure by The electrode of one or more sets level crossings is to a group composition;The single pair electrode width is 15 ~ 50mm, between the interelectrode insulation of single pair Away from for 0.5 ~ 8.0 mm, electrode layers thickness is 0 ~ 0.1mm.
5. according to a kind of Electrostatic Absorption panel of claim 1 or 4, it is characterised in that:The electrode layer(4)Level crossing Electrode shape is parallel lines, parallel semicircle wave, parallel sine wave and one kind in parallel square.
6. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The electrode layer(4)By electrocondution slurry system It is standby to form;The electrocondution slurry includes conductive filler and resin, wherein the conductive filler is by silver powder, copper powder, silver-plated copper powder, nickel One or more compositions in powder, conductive carbon powder and carbon nanotube, conducting particles 55 ~ 85%;The resin is by epoxy resin, third Olefin(e) acid resin, polyurethane, thermoplastic polyvinyl alcohol butyral(PVB), polyurethane, one or more compositions in neoprene;Institute It can also includes auxiliary agent to state electrocondution slurry, adjuvant used for aerosil, organic modified silicate, hydrated magnesium silicate, pine It is one or more in perfume, polyurethane, chlorinated rubber and polyvinyl butyral.
7. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The electrostatic potential source(7)Pass through conduction Bar(6)With Electrostatic Absorption panel electrode layer(4)It is connected;The electrostatic potential source(7)It is powered, is put using low current high-voltage pulse mode Electric frequency needs to be adapted with function medium layer structure, according to function medium layer(1)Polarity, flash-over characteristic, crosslink density, selection Pulse frequency is 2 ~ 30Hz, and voltage is 300 ~ 3000V.
8. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The conducting rod(6)For copper, silver-colored conductive gold Belong to material;Its shape is similar to rivet, by open circles mast and the laminar integral structure of endless metal of upper end one;Annular gold Belong to thin slice to be buried in two electrodes of Electrostatic Absorption panel electric layer;Upper end during power cable is connected on the inside of cylindrical bar;On cylinder End is that conductive paste combines together with electrode layer, and hypomere is epoxy resin.
9. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The dielectric substrate layer(5)For through moisture-proof Timber, copper-clad plate, the polyvinyl chloride of processing(PVC), acrylonitrile-butadiene-styrene copolymer(ABS), polymethylacrylic acid Methyl esters(Acrylic board PMMA), makrolon(PC), polypropylene(PP), it is epoxy glass-fiber-plate, phenolic aldehyde cardboard, crude pottery, fine pottery, common The composite material of one or more of glass, quartz glass, tempered glass, potash glass, borate glass.
10. a kind of Electrostatic Absorption panel according to claim 1, it is characterised in that:The whole thickness of the Electrostatic Absorption panel Degree is less than 5.0mm, and area is 0.0001 ~ 20m2
CN201810294484.3A 2018-03-30 2018-03-30 A kind of Electrostatic Absorption panel Pending CN108551713A (en)

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