Mercury vapor, light-emitting diode (LED), le excimer ke mekhoa e ikhethang ea mabone a folisang UV.Le hoja tsena tse tharo li sebelisoa mekhoeng e fapa-fapaneng ea photopolymerization ho li-inks tsa li-crosslink, li-coatings, li-adhesives le li-extrusions, mekhoa e hlahisang matla a mahlaseli a mahlaseli a kotsi a UV, hammoho le litšoaneleho tsa tlhahiso e lumellanang ea spectral, li fapane ka ho feletseng.Ho utloisisa liphapang tsena ho bohlokoa ho nts'etsopele ea ts'ebeliso le sebopeho, khetho ea mohloli oa pheko ea UV, le kopanyo.
Mabone a Mercury Vapor
Ka bobeli mabone a li-electrode arc le li-electrode-less microwave a oela ka har'a sehlopha sa mouoane oa mercury.Mabone a mouoane oa Mercury ke mofuta oa mabone a mahareng a khatello, a ntšang khase ao ho ona karolo e nyane ea elemental mercury le khase e sa sebetseng e fetoloang mouoane ho plasma ka har'a tube e tiisitsoeng ea quartz.Plasma ke khase ea ionized ea mocheso o phahameng haholo e khonang ho tsamaisa motlakase.E hlahisoa ka ho sebelisa matla a motlakase pakeng tsa li-electrode tse peli ka har'a lebone la arc kapa ka microwaving lebone le se nang electrode ka har'a sebaka se koaletsoeng kapa sekoti se ts'oanang le mohopolo oa onto ea microwave ea lelapa.Hang ha e se e le mouoane, plasma ea mercury e ntša khanya e pharaletseng ho pholletsa le mahlaseli a ultraviolet, a bonahalang, le a infrared wavelengths.
Tabeng ea lebone la arc ea motlakase, motlakase o sebelisoang o matlafatsa tube ea quartz e tiisitsoeng.Matla ana a etsa mouoane oa mercury hore e be plasma ebe o ntša lielektrone ho tloha liathomong tse nang le mouoane.Karolo ea lielektrone (-) e phallela ho eleleketrode e ntle ea tungsten ea lebone kapa anode (+) le ho ea potolohong ea motlakase ea sistimi ea UV.Liathomo tse nang le lielektrone tse sa tsoa sieo li fetoha li-cations tse matlafatsoang (+) tse phallang ho ea leboneng la tungsten electrode kapa cathode (-).Ha li ntse li tsamaea, li-cations li otla liathomo tse sa nke lehlakore ka har'a motsoako oa khase.Tšusumetso e fetisetsa lielektrone ho tloha liathomong tse sa nke lehlakore ho ea ho cations.Ha li-cation li ntse li fumana li-electrone, li theohela boemong ba matla a tlaase.Phapang ea matla e ntšoa joalo ka li-photon tse tsoang ka ntle ho tsoa ho tube ea quartz.Ha feela lebone le na le matla a loketseng, le pholisitsoe ka nepo, 'me le sebelisoa ka har'a bophelo ba lona ba bohlokoa, phepelo e sa feleng ea li-cations tse sa tsoa thehoa (+) e hohela ho eleketrode e mpe kapa cathode (-), e otlang liathomo tse ngata le ho hlahisa tlhahiso e tsoelang pele ea khanya ea UV.Mabone a microwave a sebetsa ka mokhoa o ts'oanang ntle le hore li-microwave, tse tsejoang hape e le maqhubu a seea-le-moea (RF), li nka sebaka sa potoloho ea motlakase.Kaha mabone a microwave ha a na li-electrode tsa tungsten 'me e mpa e le tube e tiisitsoeng ea quartz e nang le mercury le khase ea inert, hangata li bitsoa electrodeless.
Sehlahisoa sa UV sa mabone a Broadband kapa a mabone a pharalletseng a mercury a feta mahlaseli a ultraviolet, a bonahalang, le a infrared wavelengths, ka tekanyo e batlang e lekana.Karolo ea ultraviolet e kenyelletsa motsoako oa UVC (200 ho 280 nm), UVB (280 ho 315 nm), UVA (315 ho 400 nm), le UVV (400 ho 450 nm) maqhubu.Mabone a hlahisang UVC ka bolelele ba maqhubu a ka tlase ho 240 nm a hlahisa ozone mme a hloka ho tsoa kapa ho sefa.
Lebone la spectral bakeng sa lebone la mercury vapor le ka fetoloa ka ho eketsa li-dopants tse nyenyane, tse kang: iron (Fe), gallium (Ga), lead (Pb), tin (Sn), bismuth (Bi), kapa indium (Indium). ).Litšepe tse ekelitsoeng li fetola sebopeho sa plasma, ka lebaka leo, matla a lokolloang ha li-cations li fumana lielektrone.Mabone a nang le litšepe tse ekelitsoeng a bitsoa doped, additive, le metal halide.Li-inks tse ngata tse entsoeng ka UV, lirafshoa, likhomaretsi le li-extrusions li etselitsoe ho tsamaisana le tlhahiso ea mabone a doped a tloaelehileng a mercury- (Hg) kapa iron- (Fe).Mabone a entsoeng ka tšepe a fetola karolo ea tlhahiso ea UV hore e be bolelele ba maqhubu a malelele, a haufi a bonahalang, e leng se etsang hore motho a kenelle hantle ka libopeho tse teteaneng, tse nang le mebala e mengata.Metsoako ea UV e nang le titanium dioxide e atisa ho fola hamolemo ka mabone a doped a gallium (GA).Lebaka ke hobane mabone a gallium a fetola karolo e kholo ea tlhahiso ea UV ho ea ho wavelengths nako e telele ho feta 380 nm.Kaha li-additives tsa titanium dioxide ka kakaretso ha li monye khanya e ka holimo ho 380 nm, ho sebelisa mabone a gallium a nang le metsoako e tšoeu ho lumella matla a mangata a UV hore a monoe ke li-photoinitiators ho fapana le li-additives.
Li-profiles tsa Spectral li fana ka liforomo le basebelisi ba ho qetela ka pontšo ea pono ea hore na tlhahiso ea mahlaseli bakeng sa moralo o itseng oa lebone e ajoa joang hohle ho mabone a motlakase.Le ha mercury e nang le mouoane le lisebelisoa tse ekelitsoeng li hlalositse litšobotsi tsa mahlaseli, motsoako o nepahetseng oa likarolo le likhase tse inert ka har'a tube ea quartz hammoho le kaho ea mabone le moralo oa sistimi ea pheko kaofela li susumetsa tlhahiso ea UV.Sehlahisoa sa spectral sa lebone le sa kopanngoeng le tsamaisoang le ho lekanyetsoa ke mofani oa lebone sebakeng se bulehileng se tla ba le tlhahiso e fapaneng ea spectral ho feta lebone le kenngoa ka har'a hlooho ea lebone le nang le setšoantšo se entsoeng hantle le se pholileng.Li-profiles tsa Spectral li fumaneha habonolo ho tsoa ho barekisi ba sistimi ea UV, 'me li bohlokoa ho nts'etsopele ea sebopeho le khetho ea mabone.
Boemo bo tloaelehileng ba spectral bo rera khanya ea pono holim'a y-axis le wavelength holim'a x-axis.The spectral irradiance e ka bontšoa ka litsela tse 'maloa ho kenyelletsa boleng bo felletseng (mohlala, W/cm2/nm) kapa mehato e sa reroang, e amanang le eona, kapa e tloaelehileng (e fokolang).Liprofaele hangata li bonts'a tlhahisoleseling joalo ka chate ea mela kapa joalo ka chate ea bar e arolang ka lihlopha tse 10 nm.Kerafo e latelang ea mercury arc lamp spectral output e bonts'a khanya e lekanyelitsoeng mabapi le bolelele ba maqhubu bakeng sa litsamaiso tsa GEW (Setšoantšo sa 1).
SETŠOANTŠO 1 »Lichate tse hlahisoang ke Spectral bakeng sa mercury le tšepe.
Lebone ke lentsoe le sebelisetsoang ho bua ka tube ea UV-emitting quartz Europe le Asia, athe Amerika Leboea le Boroa ba tloaetse ho sebelisa motsoako o feto-fetohang oa tleloubu le lebone.Hlooho ea lebone le lebone ka bobeli li bua ka kopano e felletseng e nang le tube ea quartz le likarolo tse ling tsohle tsa mochini le tsa motlakase.
Electrode Arc Lamps
Lisebelisoa tsa lebone la li-electrode arc li na le hlooho ea lebone, fene e futhumatsang kapa chiller, phepelo ea motlakase, le sebopeho sa mochini oa motho (HMI).Hlooho ea lebone e kenyelletsa lebone ( tleloubu), sebonela-ts'oants'o, mokotla oa tšepe kapa ntlo, kopano ea shutter, 'me ka linako tse ling fensetere ea quartz kapa terata.GEW e kenya li-tubes tsa eona tsa quartz, li-reflectors, le mekhoa ea ho koala ka har'a lik'hasete tse ka tlosoang habonolo ho tloha ka ntle ho mokotla oa hlooho ea lebone kapa ntlo.Ho tlosa k'hasete ea GEW hangata ho finyelloa ka mor'a metsotsoana ho sebelisoa sekontiri se le seng sa Allen.Hobane tlhahiso ea UV, boholo ba hlooho ea lebone ka kakaretso le sebopeho, likarolo tsa sistimi, le litlhoko tsa lisebelisoa tse tlatselletsang li fapana ho ea ka ts'ebeliso le mmaraka, litsamaiso tsa mabone a electrode arc hangata li etselitsoe sehlopha se itseng sa lits'ebetso kapa mefuta e ts'oanang ea mochini.
Mabone a mouoane oa Mercury a ntša khanya ea 360° ho tloha ka har'a tube ea quartz.Lisebelisoa tsa mabone a Arc li sebelisa li-reflectors tse teng ka mahlakoreng le ka morao ho lebone ho tšoara le ho lebisa tlhokomelo ho feta sebaka se itseng ka pel'a hlooho ea lebone.Sebaka sena se tsejoa e le sepheo 'me ke moo ho nang le mahlaseli a maholo.Mabone a arc hangata a tsoa ka har'a mefuta e 5 ho isa ho 12 W/cm2 moo ho tsepamisoang teng.Kaha hoo e ka bang 70% ea tlhahiso ea UV e tsoang hloohong ea lebone e tsoa ho setšoantšo, ho bohlokoa ho boloka lisebelisoa li hloekile le ho li nkela sebaka nako le nako.Ho se hloekise kapa ho nkela li-reflectors sebaka ke sesosa se tloaelehileng sa pheko e sa lekaneng.
Ka lilemo tse fetang 30, GEW e 'nile ea ntlafatsa katleho ea mekhoa ea eona ea ho phekola, ho fetola likarolo le lihlahisoa ho finyella litlhoko tsa likopo tse khethehileng le limmaraka, le ho hlahisa potefolio e kholo ea lisebelisoa tsa kopanyo.Ka lebaka leo, linyehelo tsa kajeno tsa khoebo tse tsoang ho GEW li kenyelletsa meralo e kopanetsoeng ea matlo, li-reflectors tse ntlafalitsoeng bakeng sa khanya e kholo ea UV le ho fokotsoa ha li-shutter tsa infrared, li-slots tsa marang-rang, phepelo ea marang-rang ea clam-shell, ho kenya naetrojene, lihlooho tse hatelitsoeng hantle, sekirini. segokanyimmediamentsi sa sebolokigolo, lisebelisoa tsa motlakase tsa boemo bo tiileng, litsebo tse kholo tsa ts'ebetso, tlhahlobo ea tlhahiso ea UV, le tlhahlobo ea sistimi e hole.
Ha mabone a elektrode a khatello e mahareng a ntse a sebetsa, mocheso oa holim'a quartz o pakeng tsa 600 °C le 800 °C, 'me mocheso oa plasma o ka hare ke likhato tse 'maloa tsa centigrade.Moea o qobelloang ke mokhoa o ka sehloohong oa ho boloka mocheso o nepahetseng oa lebone le ho tlosa matla a mang a mahlaseli a mahlaseli a kotsi.GEW e fana ka moea ona hampe;sena se bolela hore moea o huloa ka har'a casing, haufi le sebonela-hōle le lebone, 'me o felloa ke kopano le hole le mochine kapa holim'a pheko.Litsamaiso tse ling tsa GEW tse kang E4C li sebelisa ho pholisa metsi, ho nolofalletsang tlhahiso e kholoanyane ea UV le ho fokotsa boholo ba hlooho ea lebone ka kakaretso.
Mabone a electrode arc a na le potoloho ea ho futhumatsa le ho pholisa.Mabone a khangoa ka ho pholile ho fokolang.Sena se lumella plasma ea mercury hore e nyolohele mocheso o lakatsehang oa ts'ebetso, e hlahise li-electrone le li-cations mahala, le ho nolofalletsa ho phalla ha hona joale.Ha hlooho ea lebone e tima, pholileng e tsoela pele ho matha ka metsotso e seng mekae ho pholile ka ho lekana tube ea quartz.Lebone le futhumetseng haholo le ke ke la otla hape mme le tlameha ho tsoela pele ho pholile.Bolelele ba potoloho ea ho qala le ho pholisa, hammoho le ho senyeha ha li-electrode nakong ea ho otla ha motlakase ka 'ngoe ke ka lebaka leo mekhoa ea ho koala pneumatic e lulang e kopantsoe likopanong tsa lebone tsa GEW electrode arc.Setšoantšo sa 2 se bontša mabone a li-electrode arc a pholileng (E2C) le a pholileng ka metsi (E4C).
SETŠOANTŠO 2 »Mokelikeli o pholileng (E4C) le mabone a li-electrode arc a pholileng moeeng (E2C).
Mabone a LED a UV
Semi-conductors ke lisebelisoa tse tiileng, tse kristale tse batlang li tsamaisa.Motlakase o phalla ka semi-conductor betere ho feta insulator, empa eseng joalo ka conductor ea tšepe.Li-semi-conductors tse hlahang ka tlhaho empa ho e-na le hoo li sa sebetse hantle li kenyelletsa likarolo tsa silicon, germanium le selenium.Li-semi-conductors tse entsoeng ka maiketsetso tse etselitsoeng tlhahiso le katleho ke lisebelisoa tse kopaneng tse nang le litšila tse kenngoeng hantle ka har'a sebopeho sa kristale.Tabeng ea li-LED tsa UV, aluminium gallium nitride (AlGaN) ke thepa e sebelisoang hangata.
Li-semi-conductors li bohlokoa ho lisebelisoa tsa elektroniki tsa sejoale-joale 'me li entsoe ho etsa li-transistors, diode, li-light-emitting diode le li-micro-processor.Lisebelisoa tsa li-semi-conductor li kopantsoe le li-circuits tsa motlakase 'me li kenngoa ka har'a lihlahisoa tse kang liselefouno, li-laptops, li-tablet, lisebelisoa, lifofane, likoloi, li-remote controller, esita le lipapali tsa bana.Likaroloana tsena tse nyane empa tse matla li etsa hore lihlahisoa tsa letsatsi le letsatsi li sebetse ha li ntse li lumella lintho hore li kopane, li be tšesaane, li be boima bo bobebe, 'me li fihlellehe.
Tabeng e khethehileng ea li-LED, lisebelisoa tse entsoeng ka mokhoa o nepahetseng le tse entsoeng ka semi-conductor li ntša lihlopha tse nyenyane tsa wavelength tsa khanya ha li hokahane le mohloli oa matla oa DC.Leseli le hlahisoa feela ha hona joale ho phalla ho tloha ho anode e ntle (+) ho ea ho cathode e mpe (-) ea LED ka 'ngoe.Kaha tlhahiso ea LED e laoloa ka potlako le ha bonolo ebile e le quasi-monochromatic, li-LED li loketse ho sebelisoa e le: mabone a bontšang;matshwao a puisano a infrared;khanya ea morao-rao bakeng sa lithelevishene, lilaptop, matlapa le lifono tse bohlale;matšoao a elektronike, liboto tsa liphatlalatso, le li-jumbotron;le tšireletso ea UV.
Lebone la LED ke sebaka se setle-negative (pn junction).Sena se bolela hore karolo e 'ngoe ea LED e na le tefiso e ntle' me e bitsoa anode (+), 'me karolo e' ngoe e na le tefiso e mpe 'me e bitsoa cathode (-).Leha mahlakore ka bobeli a batla a tsamaisana, moeli oa mateano moo mahlakore a mabeli a kopanang teng, o tsejoang ka hore ke sebaka sa depletion, ha o tsamaisane.Ha terminal e ntle (+) ea mohloli oa motlakase o tobileng (DC) o hokahantsoe le anode (+) ea LED, 'me "terminal" e mpe (-) ea mohloli e hokahaneng le cathode (-), lielektrone tse qosoang hampe. ho cathode le likheo tsa elektronike tse qosoang hantle ka har'a anode li lelekoa ke mohloli oa matla 'me li sutumelletsoa sebakeng sa depletion.Ena ke leeme la pele, 'me le na le phello ea ho hlōla moeli o sa tsamaisaneng.Sephetho ke hore li-electrone tse sa lefelloeng sebakeng sa mofuta oa n li tšela 'me li tlatsa likheo sebakeng sa mofuta oa p.Ha lielektrone li phalla ho pholletsa le moeli, li fetela sebakeng sa matla a tlaase.Ho theoha ho fapaneng ha matla ho lokolloa ho semi-conductor e le li-photon tsa khanya.
Lisebelisoa le li-dopants tse etsang sebopeho sa crystalline LED li khetholla tlhahiso ea spectral.Kajeno, mehloli ea pheko ea LED e fumanehang khoebong e na le lihlahisoa tsa ultraviolet tse tsepamisitsoeng ho 365, 385, 395, le 405 nm, mamello e tloaelehileng ea ± 5 nm, le phepelo ea lipono tsa Gaussian.Ha tlhōrō ea mahlaseli a mahlaseli (W/cm2/nm), e phahamela tlhōrō ea lekhalo la tšepe.Le ha nts'etsopele ea UVC e ntse e tsoela pele lipakeng tsa 275 le 285 nm, tlhahiso, bophelo, ts'epahalo, le litšenyehelo ha li so sebetse khoebong bakeng sa ho phekola lits'ebetso le lits'ebetso.
Kaha tlhahiso ea UV-LED hajoale e lekantsoe le maqhubu a malelele a UVA, sistimi e phekolang ea UV-LED ha e hlahise tšobotsi ea mabone a maqhubu a khatello ea mercury a mahareng.Sena se bolela hore lits'ebetso tsa pholiso tsa UV-LED ha li ntše UVC, UVB, leseli le bonahalang haholo, le maqhubu a hlahisang mocheso a hlahisang mocheso.Le ha sena se nolofalletsa lits'ebetso tsa pholiso tsa UV-LED hore li sebelisoe lits'ebetsong tse baballang mocheso haholoanyane, li-ink tse teng, lirafshoa le likhomaretsi tse etselitsoeng mabone a mercury a khatello e mahareng li tlameha ho fetoloa bakeng sa lits'ebetso tsa pholiso tsa UV-LED.Ka lehlohonolo, barekisi ba k'hemistri ba ntse ba eketsa ho rala linyehelo e le pheko e habeli.Sena se bolela hore motsoako oa liphekolo tse peli o reretsoeng ho phekola ka lebone la UV-LED o tla boela o phekole ka lebone la mouoane oa mercury (Setšoantšo sa 3).
SETŠOANTŠO 3 »Chate e hlahisoang ke Spectral bakeng sa LED.
Lisebelisoa tsa GEW tsa UV-LED tsa pheko li ntša ho fihla ho 30 W/cm2 fensetereng e ntšang.Ho fapana le mabone a li-electrode arc, lits'ebetso tsa pholiso tsa UV-LED ha li kenyelle mabone a lebisang mahlaseli a khanya sebakeng se tsepamisitsoeng.Ka lebaka leo, mahlaseli a mahlaseli a UV-LED a hlaha haufi le fensetere e ntšang metsi.Mahlaseli a UV-LED a hlahisoang a fapana ha sebaka se pakeng tsa hlooho ea lebone le sebaka sa pheko se ntse se eketseha.Sena se fokotsa khanya ea leseli le boholo ba mahlaseli a fihlang sebakeng sa pheko.Le hoja peak irradiance e le ea bohlokoa bakeng sa ho kopanya, khanya e ntseng e eketseha ha se kamehla e leng molemo ebile e ka thibela ho kopana ho hoholo ha li-crosslinking.Wavelength (nm), irradiance (W/cm2) le matla a matla (J/cm2) kaofela li phetha karolo ea bohlokoa ho foliseng, 'me phello ea tsona e kopaneng ea pheko e lokela ho utloisisoa hantle nakong ea khetho ea mohloli oa UV-LED.
Li-LED ke mehloli ea Lambertian.Ka mantsoe a mang, LED e 'ngoe le e' ngoe ea UV e hlahisa tlhahiso e ts'oanang ea pele ho 360 ° x 180 ° hemisphere e felletseng.Li-LED tse ngata tsa UV, e 'ngoe le e' ngoe ka tatellano ea lisekoere tsa millimeter, e hlophisitsoe ka mola o le mong, matrix a mela le litšiea, kapa tlhophiso e 'ngoe.Li-subassemblies tsena, tse tsejoang ka hore ke li-modules kapa li-arrays, li entsoe ka sebaka se pakeng tsa li-LED tse tiisang ho kopana ho pholletsa le likheo le ho thusa ho pholile ha diode.Li-module tse ngata kapa li-arrays li hlophisoa ka likopano tse kholoanyane ho etsa boholo bo fapaneng ba mekhoa ea phekolo ea UV (Figure 4 le 5).Likarolo tse ling tse hlokahalang bakeng sa ho haha sistimi ea pholiso ea UV-LED e kenyelletsa sekoting sa mocheso, fensetere e ntšang metsi, likhanni tsa elektroniki, lisebelisoa tsa motlakase tsa DC, sistimi e futhumatsang metsi kapa chiller, le sebopeho sa mochini oa motho (HMI).
SETŠOANTŠO 4 »Sistimi ea LeoLED bakeng sa webo.
Setšoantšo sa 5 »Sistimi ea LeoLED bakeng sa lisebelisoa tsa mabone a mangata ka lebelo le phahameng.
Kaha lits'ebetso tsa pholiso tsa UV-LED ha li khantše maqhubu a infrared.Ka tlhaho li fetisetsa matla a fokolang a mocheso sebakeng sa pheko ho feta mabone a mouoane oa mercury, empa sena ha se bolele hore li-LED tsa UV li lokela ho nkuoa e le theknoloji ea ho phekola serame.Lisebelisoa tsa ho phekola tsa UV-LED li ka hlahisa mahlaseli a phahameng haholo, 'me maqhubu a mahlaseli a kotsi ke mofuta o mong oa matla.Ntho efe kapa efe e sa amoheloeng ke k'hemistri e tla futhumatsa karolo e ka tlase kapa substrate hammoho le likarolo tse potolohileng mochini.
Li-LED tsa UV le tsona ke likarolo tsa motlakase tse nang le ho se sebetse hantle ho tsamaisoang ke moralo le masela a tala a semi-conductor hammoho le mekhoa ea tlhahiso le likarolo tse sebelisoang ho paka li-LED ka har'a yuniti e kholo ea pheko.Le hoja mocheso oa mercury vapor quartz tube o tlameha ho tšoaroa pakeng tsa 600 le 800 ° C nakong ea ts'ebetso, mocheso oa LED pn junction o tlameha ho lula ka tlase ho 120 °C.Ke 35-50% feela ea motlakase o fanang ka matla a mahlaseli a UV-LED o fetoloang ho tsoa ho ultraviolet (e itšetlehile haholo ka leqhubu la maqhubu).Tse ling kaofela li fetoloa mocheso oa mocheso o tlamehang ho tlosoa e le ho boloka mocheso o lakatsehang oa mateano le ho netefatsa hore ho na le khanya ea tsamaiso e boletsoeng, ho teteana ha matla le ho tšoana, hammoho le bophelo bo bolelele.Li-LED ke lisebelisoa tsa boemo bo tiileng tse tšoarellang nako e telele, 'me ho kopanya li-LED likopanong tse kholo tse nang le lisebelisoa tse pholileng tse entsoeng ka mokhoa o nepahetseng le tse hlokometsoeng ho bohlokoa ho finyella litlhoko tsa nako e telele.Ha se lits'ebetso tsohle tsa pheko ea UV tse ts'oanang, 'me lits'ebetso tse folisang tsa UV-LED tse sa sebetseng hantle le tse pholileng li na le monyetla o moholo oa ho futhumala ho feta tekano le ho hloleha ho senya.
Arc / LED Hybrid Lamps
Mmarakeng ofe kapa ofe moo theknoloji e ncha e hlahisoang e le sebaka sa theknoloji e teng, ho ka ba le tšabo mabapi le ho amoheloa hammoho le lipelaelo tsa ts'ebetso.Basebelisi ba ka bang teng hangata ba liehisa ho nkeloa bana ho fihlela liforomo tse thehiloeng hantle tsa ho kenya, ho phatlalatsoa lithuto tsa linyeoe, bopaki bo nepahetseng bo qala ho potoloha ka bongata, le/kapa ba fumana boiphihlelo kapa litšupiso ho tsoa ho batho le lik'hamphani tseo ba li tsebang le ho li tšepa.Hangata ho hlokahala bopaki bo thata pele 'maraka oohle o tlohela ka ho feletseng liphetoho tsa khale le tse feletseng ho tse ncha.Ha ho thuse hore lipale tsa katleho li na le liphiri tse tšoaretsoeng ka thata kaha batho ba pele ba sa batle hore bahlolisani ba fumane melemo e tšoanang.Ka lebaka leo, lipale tsa 'nete le tse fetelletseng tsa ho soetseha ka linako tse ling li ka fetoha hohle' marakeng, li pata melemo ea 'nete ea theknoloji e ncha le ho lieha ho amoheloa.
Ho theosa le nalane, 'me e le ho hanyetsa ho amoheloa ka lesisitheho, meralo e nyalisitsoeng e 'nile ea amoheloa khafetsa e le borokho ba nakoana lipakeng tsa theknoloji e ntseng e sebetsa le e ncha.Li-hybrids li lumella basebelisi ho itšepa le ho iketsetsa qeto ea hore na lihlahisoa kapa mekhoa e mecha e lokela ho sebelisoa joang le neng, ntle le ho tela bokhoni ba hajoale.Tabeng ea pholiso ea UV, sistimi e nyalisitsoeng e lumella basebelisi ho fapanyetsana kapele le ha bonolo lipakeng tsa mabone a mouoane oa mercury le theknoloji ea LED.Bakeng sa mela e nang le liteishene tse ngata tsa ho phekola, mefuta e nyalisitsoeng e lumella mechine ea khatiso ho sebelisa 100% LED, 100% mercury vapor, kapa motsoako ofe kapa ofe oa mekhoa e 'meli e hlokahalang bakeng sa mosebetsi o fanoeng.
GEW e fana ka litsamaiso tse nyalisitsoeng tsa arc/LED bakeng sa li-converter tsa webo.Tharollo e ile ya hlahiswa bakeng sa mmaraka o moholo ka ho fetisisa wa GEW, leibole ya tepo e moqotetsane, empa moralo wa lebasetere o boetse o na le tshebediso ditirisong tse ding tsa webo le tseo e seng tsa webo (Setshwantsho sa 6).Arc/LED e kenyelletsa ntlo e tloaelehileng ea hlooho ea lebone e ka amohelang mouoane oa mercury kapa cassette ea LED.Likhasete ka bobeli li sebelisa matla le taolo ea bokahohleng.Bohlale ka har'a sistimi bo etsa hore ho be le phapang lipakeng tsa mefuta ea li-cassette mme ka bo eona bo fana ka matla a nepahetseng, pholileng le sebopeho sa opareitara.Ho tlosa kapa ho kenya leha e le efe ya GEW's mercury vapor kapa dikhasete tsa LED ka tlwaelo ho phetheha ka metsotswana ho sebedisa seswantsho se le seng sa Allen.
Setšoantšo sa 6 »Sistimi ea Arc / LED bakeng sa webo.
Mabone a Excimer
Mabone a Excimer ke mofuta oa lebone la ho ntša khase le hlahisang matla a ultraviolet a quasi-monochromatic.Le ha mabone a excimer a fumaneha ka bolelele ba maqhubu a mangata, litlamorao tse tloaelehileng tsa ultraviolet li thehiloe ho 172, 222, 308, le 351 nm.Mabone a excimer a 172-nm a oela ka har'a sehlopha sa vacuum UV (100 ho isa ho 200 nm), ha 222 nm e le UVC feela (200 ho isa ho 280 nm).Mabone a excimer a 308-nm a ntša UVB (280 ho isa ho 315 nm), 'me 351 nm ke UVA e tiileng (315 ho isa ho 400 nm).
172-nm vacuum UV wavelengths a makhuts'oane 'me a na le matla a mangata ho feta UVC;leha ho le joalo, li thatafalloa ke ho kenella ka hare ho lintho.Ha e le hantle, maqhubu a 172-nm a kenngoa ka ho feletseng ka har'a 10 ho isa ho 200 nm ea k'hemistri e entsoeng ke UV.Ka lebaka leo, mabone a excimer a 172-nm a tla kopanya bokantle bo ka ntle ba metsoako ea UV 'me a tlameha ho kopanngoa hammoho le lisebelisoa tse ling tsa ho phekola.Kaha maqhubu a vacuum UV a boetse a monngoa ke moea, mabone a excimer a 172-nm a tlameha ho sebetsoa sebakeng se nang le naetrojene.
Mabone a mangata a excimer a na le tube ea quartz e sebetsang e le thibelo ea dielectric.The tube e tletse likhase tse sa tloaelehang tse khonang ho etsa limolek'hule tsa excimer kapa exciplex (Setšoantšo sa 7).Likhase tse fapaneng li hlahisa limolek'hule tse fapaneng, 'me limolek'hule tse fapaneng tse thabileng li etsa qeto ea hore na ke maqhubu afe a hlahisoang ke lebone.Electrode e nang le matla a phahameng e matha ka bolelele ba ka hare ba tube ea quartz, 'me li-electrode tsa fatše li tsamaisana le bolelele bo ka ntle.Li-voltage li kenngoa ka har'a lebone ka maqhubu a phahameng.Sena se etsa hore lielektrone li phalle ka har'a electrode e ka hare 'me li tsoe ka har'a motsoako oa khase ho ea ho li-electrode tsa fatše tse ka ntle.Ketsahalo ena ea mahlale e tsejoa e le dielectric barrier discharge (DBD).Ha lielektrone li tsamaea ka har'a khase, li sebelisana le liathomo 'me li etsa mefuta e matla kapa e nang le ionized e hlahisang limolek'hule tsa excimer kapa exciplex.Limolek'hule tsa Excimer le exciplex li na le bophelo bo bokhuts'oane ka mokhoa o makatsang, 'me ha li ntse li senyeha ho tloha sebakeng se thabileng ho ea sebakeng sa fatše, ho ntšoa li-photon tsa quasi-monochromatic distribution.
SETŠOANTŠO 7 »Lebone la Excimer
Ho fapana le mabone a mercury vapor, bokaholimo ba lebone la quartz la lebone la excimer ha le chese.Ka lebaka leo, mabone a mangata a excimer a sebetsa ka ho pholile hanyenyane.Maemong a mang, ho hlokahala hore ho be le boemo bo tlaase ba ho pholisa boo hangata bo fanoang ke khase ea naetrojene.Ka lebaka la ho tsitsisa ha mocheso oa lebone, mabone a excimer a tima hang hang 'me ha a hloke li-cycles tsa ho futhumatsa kapa ho pholisa.
Ha mabone a excimer a khanyang ka 172 nm a kopantsoe hammoho le lisebelisoa tse peli tsa quasi-monochromatic UVA-LED-curing le mabone a Broadband mercury vapor, liphello tsa matting li hlahisoa.Mabone a LED a UVA a sebelisoa pele ho etsa khemistri.Mabone a quasi-monochromatic excimer ebe a sebelisoa ho etsa polymerize bokaholimo, 'me qetellong mabone a Broadband mercury a tšela k'hemistri kaofela.Litholoana tse ikhethang tsa mahlale a mararo a sebelisitsoeng ka mekhahlelo e fapaneng li fana ka litlamorao tse ntle tsa mahlo le tse sebetsang tse ke keng tsa finyelloa ka o mong oa mehloli ea UV ka botsona.
Excimer wavelengths ea 172 le 222 nm e boetse e sebetsa ho senya lintho tse kotsi tsa organic le libaktheria tse kotsi, tse etsang hore mabone a excimer a sebetse bakeng sa ho hloekisa bokaholimo, ho bolaea likokoana-hloko le kalafo ea matla a holim'a metsi.
Bophelo ba Lebone
Mabapi le bophelo ba lebone kapa tleloubu, mabone a arc a GEW ka kakaretso a fihla ho lihora tse 2,000.Bophelo ba mabone ha se ntho e felletseng, kaha tlhahiso ea UV e fokotseha butle butle ha nako e ntse e tsamaea mme e angoa ke lintlha tse fapaneng.Moralo le boleng ba lebone, hammoho le boemo ba ts'ebetso ea sistimi ea UV le ho ts'oaroa ha taba ea tlhahiso.Lisebelisoa tsa UV tse entsoeng ka nepo li netefatsa hore ho fanoa ka matla a nepahetseng le ho pholisa tse hlokoang ke moralo o khethehileng oa lebone (bulb).
Mabone (mabone) a fanang ka GEW kamehla a fana ka bophelo bo bolelele ka ho fetisisa ha a sebelisoa mekhoeng ea phekolo ea GEW.Mehloli ea phepelo ea bobeli hangata e fetotse lebone ho tsoa sampoleng, 'me likopi li kanna tsa se be le sephetho se lekanang, bophara ba quartz, dikahare tsa mercury, kapa motsoako oa khase, tseo kaofela li ka amang tlhahiso ea UV le tlhahiso ea mocheso.Ha tlhahiso ea mocheso e sa leka-lekane khahlanong le ho pholile ha tsamaiso, lebone le utloa bohloko ka bobeli le bophelo.Mabone a tsamaeang ka mokhoa o pholileng a ntša UV e fokolang.Mabone a chesang haholo ha a tšoarelle nako e telele 'me a sotheha ka mocheso o phahameng.
Bophelo ba mabone a li-electrode arc bo lekantsoe ke mocheso oa lebone o sebetsang, palo ea lihora tsa ho matha, le palo ea ho qala kapa ho otla.Nako le nako ha lebone le otloa ka arc ea matla a phahameng nakong ea ho qala, karoloana ea electrode ea tungsten ea senyeha.Qetellong, lebone le ke ke la otla hape.Mabone a electrode arc a kenyelletsa mekhoa ea ho koala eo, ha e sebetsa, e thibela tlhahiso ea UV e le mokhoa o mong oa ho palama matla a lebone khafetsa.Li-ink tse sebetsang haholoanyane, lirafshoa le likhomaretsi li ka etsa hore mabone a phele halelele;athe, metsoako e sa sebetseng hantle e ka hloka liphetoho tsa mabone khafetsa.
Lits'ebetso tsa UV-LED ka tlhaho li tšoarella nako e telele ho feta mabone a tloaelehileng, empa bophelo ba UV-LED le bona ha se ntho e felletseng.Joalo ka mabone a tloaelehileng, li-LED tsa UV li na le meeli ea hore na li ka khannoa ka thata hakae 'me ka kakaretso li tlameha ho sebetsa ka mocheso oa mateano a ka tlase ho 120 °C.Li-LED tse khannang ho feta tekano le li-LED tse sa pholileng li tla beha bophelo kotsing, e leng se tla fella ka ho senyeha ka potlako kapa ho hloleha ha koluoa.Ha se barekisi bohle ba sistimi ea UV-LED hajoale ba fanang ka meralo e lumellanang le nako e telele ea bophelo e fetang lihora tse 20,000.Litsamaiso tse entsoeng hantle le tse hlokometsoeng hantle li tla tšoarella ho feta lihora tse 20,000, 'me litsamaiso tse tlaase li tla hlōleha ka har'a lifensetere tse khutšoanyane haholo.Litaba tse monate ke hore meralo ea sistimi ea LED e ntse e tsoela pele ho ntlafala le ho tšoarella nako e telele ha ho etsoa moralo o mong le o mong.
Ozon
Ha maqhubu a makhutšoane a UVC a ama limolek'hule tsa oksijene (O2), a etsa hore limolek'hule tsa oksijene (O2) li arohane ho ba liathomo tse peli tsa oksijene (O).Liathomo tse sa lefelloeng tsa oksijene (O) ebe li thulana le limolek’hule tse ling tsa oksijene (O2) ebe li etsa ozone (O3).Kaha trioxygen (O3) ha ea tsitsa boemong ba fatše ho feta dioxygen (O2), ozone e khutlela habonolo molek’huleng oa oksijene (O2) le athomo ea oksijene (O) ha e ntse e hoholeha moeeng oa sepakapaka.Liathomo tse sa lefelloeng tsa oksijene (O) ebe lia kopana hape ka har'a sistimi ea mosi ho hlahisa limolek'hule tsa oksijene (O2).
Bakeng sa lits'ebetso tsa indasteri ea ho phekola UV, ozone (O3) e hlahisoa ha oksijene ea sepakapaka e kopana le maqhubu a ultraviolet ka tlase ho 240 nm.Mehloli ea Broadband mercury e phekolang mouoane e ntša UVC pakeng tsa 200 le 280 nm, e fetang karolo ea sebaka se hlahisang ozone, 'me mabone a excimer a ntša vacuum UV ho 172 nm kapa UVC ho 222 nm.Ozone e entsoeng ke mouoane oa mercury le mabone a folisang excimer ha e tsitsitse ebile ha se taba ea bohlokoa ea tikoloho, empa hoa hlokahala hore e tlosoe sebakeng se haufi le basebetsi kaha ke ntho e halefisang ho phefumoloha ebile e chefo maemong a holimo.Kaha lisebelisoa tsa khoebo tsa UV-LED li hlahisa tlhahiso ea UVA pakeng tsa 365 le 405 nm, ozone ha e hlahisoe.
Ozone e na le monko o tšoanang le monko oa tšepe, terata e tukang, chlorine le tlhase ea motlakase.Likutlo tsa motho tse nkhang hamonate li ka bona ozone e le tlase ho karolo ea 0.01 ho isa ho 0.03 ho milione (ppm).Le hoja e fapana ho ea ka motho le boemo ba mosebetsi, ho tsepamisa mohopolo ho feta 0.4 ppm ho ka lebisa liphellong tse mpe tsa ho hema le hlooho e bohloko.Moya o nepahetseng o lokela ho kenngwa methapong e fodisang UV ho fokotsa kgahlamelo ya basebetsi ho ozone.
Lisebelisoa tsa ho phekola UV hangata li etselitsoe hore li be le moea oa ho ntša moea ha o tloha lihloohong tsa mabone e le hore o ka tlosoa ho basebetsi le ka ntle ho mohaho moo ka tlhaho o senyehang ka lebaka la oksijene le khanya ea letsatsi.Ntle le moo, mabone a se nang ozone a kenyelletsa motsoako oa quartz o thibelang maqhubu a hlahisang ozone, 'me lisebelisoa tse batlang ho qoba masoba a marulelong hangata li sebelisa li-filters ha li tsoa li-fan fan.
Nako ea poso: Jun-19-2024
