Homeliness, Tools le thepa
Molao-motheo o sebetsang oa inverter le tjheseletsa: tlhaloso, lipotoloho le lisebelisoa
tjheseletsa mechine Traditional le baru tšoanang bokhothokhotho ba butle-butle fading. Ho ena le hoo, hona joale ho na le diseke ee tjheseletsa inverters. Ba ho le bonolo ho sebelisa, ba ka esita le ho sebelisoa ho qala. E le hore ho fumana hore na mofuta ofe ya sesebediswa, ho ke ke ho hlokahala hore ho nahana ka sebopeho le molao-motheo oa ho sebetsa ba inverter le tjheseletsa.
About moralo
sesebediswa se fapane le sa baru setso le ho feta tloaelehileng ho e mong le e welder.
Molao-motheo o akaretsang ea opereishene
Qalong, input maqhubu le gagamalo tsa volts 220 ka maqhubu polygonal phallang ka rectifier eaba fetoloa kamehla ka. Ho phaella moo, hona joale e smoothed ke filthara. Hangata, e sebelisoa e le leqheka la ea setso e thehiloeng capacitors electrolytic. Ka mor'a moo, DC gagamalo le e ntse e feta hona joale ka semiconductor balanced modulator, moo hape sokolohela lenaihana, empa le maqhubu a phahameng. Ka dikai fapaneng, palo ena e fapaneng, empa ha e feta 100 kHz. Hona joale e ka nako eo phosollwa le gagamalo hape marotholi ho boleng hlokahalang bakeng sa tšepe ao cheseletse. The ho sebetsa molao-motheo oa inverter tjheseletsa e thehiloeng converters phahameng maqhubu a. Ho ba teng ha dikarolo tsena lumella tšebeliso ea baru tse nyenyane, ka tsela eo haholo fokotswa unit trust boima. Mohlala, ho e mochini tjheseletsa inverter kgona ho fana ka morao-rao ba amperes 160, ho transformer lokela boima se fetang 250 dikgerama. transformer tla ba le boima bonyane ba lik'hilograma tse 18 ho fihlela sephetho tšoanang sebelisa sethusathuto tloaelehileng. Ho sokolisa haholo.
Taolo unit trust - the Molemo ka sehloohong oa mechine inverter tjheseletsa
A karolo ea bohlokoa haholo ka tshebetso ya thepa ena e phetha elektronike. Ka lebaka la ho ba e bapileng le kamano e haufi. Sena se thusa ho laola ka botlalo le selikalikoe, ho fetola kapa ho le boloka le boemong ba e tšoanetseng haeba ho hlokahala.
tlhohlomiso temperaturdiagramm
Ka rectifier fapanyetsana jwale ka maqhubu a ya 50 Hz le gagamalo tsa volts 220 feta borokho diode matla. Ripple jwale le leboha polygonal maqhubu smoothed ho ba teng ka potoloho ea capacitors electrolytic. Ka ho sebetsa, ho diode borokho e ka tlasa overheating, kahoo diodes mounted radiators. Ho phaella moo, inverter e nkile le tsoaka mogote. O tsosa haeba diodes ba ne ba halefile ho likhato 90. Thermal sireletsa diodes. Haufi le diode borokho ka bonoa ka toka le matla capacitors kakaretso. bokgoni ba bona ba ka Range ho tloha microfarads 140 ho tse 800. Hape le ka balebeli ba potoloho le ba kamehla o teng-filter, tse u se ke ua lumella ka tshebetso ya ho tshitsiso efe kapa efe. Re tšohlile eng na tjheseletsa inverter molao-motheo.
Inverter: hore na ke eng
Ka ho toba inverter ka boeona e hahoa tse peli mosfetah. Sena se matla transistors. Ba atisa ho fumana chesa haholo, kahoo ho a hlomelloa le radiator ka metsi ka. Joalo semiconductor likarolo rarolla bothata ba ho switjha ka maqhubu a fetisetsa ka pulse length transformer. Sebetsa maqhubu a mona ka feta likete tse 'maloa kHz. Ka lebaka la hona joale ena e hlahisoang ka maqhubu polygonal. The transistors tlameha ho ba manganga ho marotholi gagamalo. Manufacturers hlomella sesebediswa ka lipotoloho khethehileng sireletsang. Hangata, ba eang ka resistors oa potoloho le capacitors. Joale ho tla latela ka mahareng matsoelintsoeke ho mohato-fatše transformer. gagamalo hae tse nyenyane - 70 volts. Empa hona joale e ka ba 130-140 li-amp.
The rectifier khumo
E le hore ho theha e tswelang pele khumo jwale le gagamalo sebelisoa khumo rectifiers tšeptjoang. morero ona etsahalang motheong oa diodes habeli, e leng ba le cathode tloaelehileng. likarolo tsena bontšang phahameng tshebetso, kapele-pele ba ile a bula le koaloa ka potlako. Ba itšoara joang nakong ea diodes ke hoo e ka bang 50 nanoseconds. lebelo Sena ke sa bohlokoa haholo.
Moralo le tshebetso ea tsamaiso e elektroniki
E tsamaisoa ke regulator gagamalo, etselitsoeng 15 volts. likarolo tsena tse hlomamisa radiators ena. Phepelo gagamalo bakeng sa boto ea tsoa rectifier khōlō. Ha gagamalo e sebelisoa, e qalang ea capacitors tsohle qosoa. The gagamalo ka motsotso ona o hōla. Tšireletso diode kopano sebediswa lithibelo sekemeng le resistors matla. Ha capacitor e qosoa ka ho feletseng, mochine tjheseletsa tla qala mosebetsi oa lona. Koala mabitso a mang lesokoana, le resistor e ke ke ea ameha tshebetso.
dikarolo tse eketsehileng le litsamaiso
Sebopeho le ho sebetsa molao-motheo oa inverter le tjheseletsa fana ka maikutlo a ho ba teng ha tsamaiso ea tse ling tse le dikarolo tse fana ka joalo tshebetso e phahameng sesebediswa. Ho joalo, u ka khetha tsamaiso ea taolo, hammoho le bakhanni ba. Karolo ea ka sehloohong mona ke PWM molaoli ea ladica i. E fana ka taolo ea nkang khato le ea transistors matla. Hape, sesebediswa o na le mefuta e fapaneng ya taolo le molao oa tsamaiso oa potoloho. Tabeng ena, e elements ka sehloohong ke transformer. Ho ke ke ho hlokahala hore a laole matla le litšobotsi tse ling tsa morao-rao ka mor'a transformer khumo.
Tjheseletsa mechine bakeng TIG ho tjheseletsa le argon
tšepe inert khase tjheseletsa - ke e nngwe ya mekhoa ho fetisisa ratoa tsa tjheseletsa pukwanana kajeno. Mosebetsi oa ka argon fana manonyeletso boleng bo phahameng ka lebaka la ho qetela ho itšehla thajana ea ho hlapa e. Ka tsela eo ho ka etsahala hore sebetsa le lirafshoa tsohle, esita le le aluminium, magnesium, thaethaniamo le lits'epe tse kopantsoeng tsa bona. Molao-motheo oa inverter tjheseletsa le argon letho le ikhethang ho tloha e inverter ba tloaelehileng e se fapaneng. Phapang ea bohlokoa ke hore ha feela o ile a sebelisa matla a ho tjheseletsa mohloding, empa e boetse e le boapeelo khethehileng ka tshebetso. TIG-tjheseletsa akarelletsa futhumatsang ea karolong e sa feleng sebetsa ka e selikalikoe motlakase e bōptjoa ke refractory tungsten eleketrode. Tse ngata tse thahasellisang ho bona hore na inverter tjheseletsa mochine oa mofuta ona. A re ke re fumana hore.
Kaho tjheseletsa TIG-sesebelisoa
E sethusathuto bakeng TIG tjheseletsa ke mohloli jwale le boapeelo khethehileng.
bofello
theko ka theko e tlaase tsa thepa joalo etsa ho ka khoneha ho nahana ka ho teba ka reka mochini joalo bakeng sa lelapa. Haeba u ithuta ho kholiseho sebedisa sesebediswa e joalo, o ka esita le fumana chelete. Argon tjheseletsa kajeno ke ya tlhokeho phahameng haholo. O ka reka e theko e tlaase malapeng TIG-tjheseletsa inverter 180 s. Molao-motheo oa tšebetso ea unit trust ena lumella u ho sebelisa ka mokgwa wa pukwanana tjheseletsa. Ke tharollo ea bokahohleng. theko lona ranges ho tloha li-ruble tse 13 ho tse 15 tse sekete. Ho fetisisa theko e dikai Chinese ka rekoa ka theko ea 6000 li-ruble. disebediswsa Professional chelete ka bang likete tse 50 li-ruble.
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