Magnetron: kev txiav txim thiab lub hauv paus ntsiab lus ntawm tus dais

Yog xav tau lwm yam thiab siab deeg, siv magnetrons. Electric thiab sib nqus teb ua uas muaj hwj chim. Raws li ib tug tshwm sim, high-zaus deeg tshwm sim. Nquag siv hom kev ntaus ntawv yog Multiresonator. Qhov no magnetron ua rau electrons xwb peb teb:

• hluav taws xob;
• magnetic;
• Microwave.

Magnetron: nws tau tshwm sim los li cas

Rau cov thawj lub sij hawm no lub sij hawm twb siv nyob rau hauv 1921 los ntawm cov American physicist A. Hull. Nws kev tshawb fawb thiab thwmsim tau txuas ntxiv rau, ua rau lub rov tshwm sim ntawm ntau hom ntawm magnetrons, uas pib yuav tsum tau siv nyob rau hauv electronics. Lub patent rau no invention twb tau los ntawm Jacquet nyob rau hauv 1924. Nws yog nws leej twg yees ua lub neej tshiab nimno magnetron, uas nws khiav hauj lwm hauv paus ntsiab lus yog raws li nyob rau hauv lub sis ntawm ob teb.

Nyob rau hauv cov nram no xyoo caum tau tsim magnetron los ua kom muaj microwaves. Lub hom phiaj tseem ceeb yog ua rau kom cov oscillation zaus, uas yuav ua tau los ntawm cov chaw Soviet tus paub txog. Lawv nce thawj zaug nqi ob zaug, siv tooj liab raws li ib tug anode khoom.

ntaus ntawv

Lub plawv magnetron anode thaiv yog tsim los ntawm ib tug tooj liab lub tog raj kheej nrog ib tug kab noj hniav sab hauv. Thaum nws chaw, muaj kab noj hniav, lawv yog nplhaib system kab noj hniav. Nyob rau hauv nruab nrab ntawm lub anode muaj ib lub qhov ntawm nws yog mus txuas rau lub hwj huam mov. Tsis tas li ntawd, cov anode ntawm nws yog kev cob cog rua rau lub cathode. Nws yog filament, nws yog rhuab thiab kis tau los ntawm nruab nrab ntawm lub anode. Yuav ua kom siab tso zis oscillation tso zis yog teev nyob rau hauv xws li ib tug resonator. Hauv lub tshuab nqus tsev lub anode block. Rau nws cov cua txias tis ntses yog teem rau ntawm qhov chaw ntawm lub dab.

Muab lub tsev thiaj li hais tias nws twb ntes tau nyob nruab nrab ntawm cov hlau nplaum tsim ib tug sib nqus teb ntawm lub zog txaus. Tsim kom muaj cov voltage ntawm lub anode thiab cov cathode, thiab yog li ntawd zoo them davhlau ya nyob twg yog nyob ze ntawm lub anode. Lub electrons los ntawm cov cathode yog pib rau koj tsiv vim kev txiav txim ntawm lub teb ntawm hluav taws xob. Lawv yuav tsum tsiv mus nyob rau lub anode thiab cov magnetron, lub hauv paus ntsiab lus ntawm kev txiav txim uas yog ib tug sib nqus teb, rov nws nab tus xeeb ntxwv mus rau lub cathode.

Mus cuag cov nyhuv, thaum lub electrons txav raws piav vajvoog thiab li yog nyob ib sab mus rau lub anode, tab sis yog xa rov qab, nws yog ua tau, mus soj ntsuam yog tias tej yam tej yam kev mob nyob rau hauv ob txog teb. Nyob rau hauv lub xeev no, lub anode tsuas yog ib tug me me feem ntawm tag nrho cov electrons emitted los ntawm lub cathode.

Rov qab mus rau lub cathode ntawm lub electrons yog hloov. Qhov no txheej txheem ntxiv, txoj kev nyob ze ntawm lub anode ib tug xwb nyob rau hauv daim ntawv ntawm ib ncig. Tej xwb pib yuav tsum tau tsim nyob rau hauv txhua lub kab noj hniav, muaj high-zaus deeg undamped. Tej hloov mus hloov los yuav thim coils nyob ntawm tej, teem sijhawm rau lawv nyob rau hauv ib yam ntawm cov kab noj hniav. Tom qab cov deeg kis tau mus rau lub waveguide (los yog coaxial kab).

Magnetron tej zaum yuav hu ua ib tug microwave ntsuas, nws generator, ib lub tshuab nqus, lub suab ntawm electrons nyob rau hauv nws yuav siv sij hawm qhov chaw nyob rau hauv ob teb: hluav taws xob thiab sib nqus. Nws tsim ib tug magnetron hauv paus ntsiab lus ntawm cov lag luam ntawm cov ob teb, uas tsim lub peb - cov microwave.

daim ntawv thov

Lawv yuav siv tau nyob rau hauv electronics. Piv txwv li, nyob rau hauv qhov kev npaj ntawm radar maps. Yuav kom qhov no kawg, lub magnetron yuav tsum muaj xws li tsis tsuas yog ntawm tus pub horn, tiam sis los ntawm ib tug Parabolic Reflector. Siv high-siv pulses yog generated luv luv tswj mem tes microwave tawg. Ib feem ntawm lub zog yog reflected, nws rov qab mus rau waveguide thiab cov kav hlau txais xov uas xa nws mus rau lub receiver. Tom qab ua, cov ntaub ntawv tshwm rau hauv lub radar daim ntawv qhia.

Siv nyob rau hauv lub neej txhua hnub

Lub rauv taws nte, uas yog raws li nyob rau hauv microwaves, cov kev khiav hauj lwm hauv paus ntsiab lus sib txawv me ntsis. Lub magnetron rau microwave qhov cub muaj nyob rau thaum xaus ntawm lub waveguide rau xov tooj cua zaus pob tshab qhib uas raug tsim nyob rau hauv ua noj ua haus compartment. Nws yog yog li ntawd ib qho tseem ceeb rau muaj xws li ib tug lub qhov cub nrog tsuas muaj cov khoom noj khoom haus nyob rau hauv nws. Yog tsis muaj tus mob no, sawv tsis yuav ua rau arcing, txij thaum lub sib nqus vuag tsis txhob nqus, thiab raug xa rov qab. Yog hais tias nws kav ib tug ntev lub sij hawm, lub magnetron yog ib qho yooj yim mus ua txhaum. Tus nqi ntawm uas cov zaub mov nyob rau hauv ib tug microwave qhov cub npaj, ncaj qha nyob rau hauv lub hwj chim ntawm tus magnetron.

Feem ntau cov microwave ncu muaj ib tug muaj peev xwm ntawm 700 rau 850 watts. Qhov no yuav ua tau txaus rhaub ib khob ntawm cov dej nyob rau hauv cia li 2-3 feeb. Magnetron rau microwave "Saturn", nyob ntawm seb tus qauv, yuav ua tau sib txawv ntawm cov muaj peev xwm. Xaiv lub microwave no lub tuam txhab, koj muaj peev xwm pib los ntawm kev muab piv rau cov magnetrons, thiab ces ntxiv zog.

Muas microwave

Thaum yuav ib tug microwave qhov cub yuav tsum paub lub hauv paus ntsiab lus ntawm nws cov lag luam. Muaj ntau cov ceev faj rau cov txheej txheem no, nyob rau hauv lub yuam kev txoj kev ntseeg hais tias nws yog ib qhov chaw ntawm hluav taws xob. Nyob rau hauv qhov tseeb, nws lub hauv paus ntsiab lus ntawm lub microwave, hais tias lub npe implies. Microwave - tsis yog hais tias lwm yam, raws li "ultra-high zaus." Nws tawg, ntawm chav kawm, tsis ntaiv, tab sis yuav ua rau xws li ib tug txheej txheem yuav tsum tau ceev faj.

Microwave nws tus kheej los ntawm cov nyuam yog kev tiv thaiv lwm tus neeg los ntawm microwave tawg. Qhov no qhov cub yog txawm peem rau nrog ib tug tshwj xeeb sensor, uas disables lub magnetron yog lub qhov rooj qhib. Ua kom tiav cov magnetron ua hauj lwm hauv paus ntsiab lus ntawm uas yog los tsim microwaves yuav tsis tau, yog tias ua txhaum cov kev cai ntawm lub lag luam. Yog hais tias koj muab tso rau hauv qhov cub, rau Piv txwv li, ib lub tais hlau, nws tsuas yuav lov tes taw tag nrho ntaus ntawv.

Tsis los ntawm microwave ncu tej zaum yuav mus sab nraum tsis muaj ntau tshaj li tsib meters. Yog li ntawd, thaum ib lub sij hawm thaum nws ua hauj lwm, nws yog zoo dua mus nyob deb. Txawm li cas los, qhov layout ntawm chav ua mov feem ntau ntawm cov qhov tsis pub no, vim hais tias cov yuav tsum tau mus rau lwm chav tsev.

Lub electromagnetic teb ntawm ib tug contactless heats zaub mov tso rau hauv lub microwave qhov cub. Tsis tas li ntawd, lub cua sov cov txheej txheem yuav siv sij hawm qhov chaw hauv lub khoom, yog li kom txhob muaj cov ua noj ua haus lub sij hawm mus rau ib tug ob peb feeb. Nws yog tsis tsim nyog rau pre-kub tais, uas yog khoom noj.

Rau qhov zoo tshaj plaws kev tshwm sim, koj yuav tsum paub ua noj ua haus ua noj cunning kev npaj ntawm tej yam khoom. Muab qhov tseeb hais tias lub sij hawm no dhau mus, thiab microwave ncu ntaus ntawv tsis hloov, peb yuav xav tias lawv ntxiv thiab tas mus li consolidation ntawm lub chav ua mov uas muaj ntau cov kev pab.

Muas ib tug microwave magnetron

Yuav koj tus kheej ib magnetron, nws yog tsim nyog los paub qhov cim. Tsis ua qhov yuam kev ntawm yuav tus magnetron ntawm microwave lub LG, koj yuav tsum tau paub dab tsi lawv yog. Lub weakest hwj chim ntawm lub magnetron 2M213. Nws tso zis ntau zog ntawm ib tug raug load thiab yog 700 thiab 600 W, ntsig txog, anodic ntsiab lus - 3,95 kVp, thiab cov zaus - 2460 MHz.

Magnetrons nrog qhov nruab nrab tus nqi ntawm ib tug ob peb. Lub ntsiab ntawm lawv yog: 2M214. Nyob rau hauv cov qauv no, cov zaus yog tib yam anodic nqi me ntsis siab dua - 4.20 kVp. Tso zis ntau zog rau ntawm lub load thiab ib tug yam ntxwv - 1000 thiab 850 W, ntsig txog.

Qhov siab tshaj plaws tseem ceeb ntawm tsis nyob rau hauv lub magnetron marki2M246. Thaum tib zaus yog ntau dua qhov anode - 4,40 kVp, qhov nruab nrab tso zis ntau zog ntawm ib tug load - 1150 W, raug - 1000 W.

Puas yuav ua tau rau tus lawv tus kheej txhais tes

Txhua yam ntawm magnetron rau microwave cub LG, koj muaj peev xwm hloov tib yam rau lwm yam npe, xws li "Samsung". Ib yam li ntawd, ib tug yuav hloov lub magnetron rau microwave "Samsung" zoo tshaj plaws hwj chim caij los ntawm lwm lub tuam txhab. Yog hais tias tus qauv ntawm tsev neeg microwave ncu tso rau ib ntev lub sij hawm, ces nrhiav yam khoom muaj tseeb qib yog ib qhov nyuaj. Tej zaum qhov chaw tsim tshuaj paus tau raug tshem tawm qhov no zoo ntawm ntau lawm.

Tab sis txawm yog tias koj paub lub hauv paus ntsiab lus ntawm cov lag luam ntawm lub magnetron, yuav tsum tsis txhob koom rau hauv repairing xws khoom nyob rau hauv tsev nws tus kheej.

Yuav muaj ib magnetron rau ib tug microwave cub 2M218 JF Daewoo yuav muaj, ordering nyob rau hauv tshwj xeeb khw los yog ncaj qha los ntawm lub chaw tsim tshuaj paus. Nws raug nqi txog 2 txhiab rubles.

Lub hauv paus ntawm lub chaw ua hauj lwm lub microwave

Reheating zaub mov nyob rau hauv ib tug microwave qhov cub yog raws li nram no: tej zaub mov muaj dej lwg me me, nws yog, nyob rau hauv lem, muaj zoo them hais thiab tsis zoo. Tej molecules yog cov dipole, vim hais tias zoo conductors ntawm hluav taws xob tsis.

xaus

Tej lus tus nquag breakage ntawm lub microwave qhov cub - rhuav tshem ntawm lub magnetron. Yuav muaj ib magnetron ntawm microwave LG (raws li, tseeb, thiab lwm yam manufacturers ntawm khoom vaj khoom tsev cov ntaub ntawv) thiab los hloov nws los ntawm koj tus kheej yog heev problematic. Txawm yog hais tias muaj yog ib tug tsim nyog lub caij mus teem nws tsuas txawj.

Ua ntej yuav khoom ib tug ntaus ntawv tsim nyog nws cov nqi piv rau tus nqi ntawm lub microwave. Nws feem ntau tshwm sim hais tias qhov kho no yuav raug nqi ntau tshaj li muas. Yuav xav txog qhov no zoo tshaj.

Yog li ntawd, peb pom tawm yog vim li cas muaj ib tug caij xws li ib tug magnetron, thiab nyob rau hauv dab tsi thaj chaw nws yog siv.