Lub induction cooker yog ib qho ntawm cov khoom siv hauv tsev thiab cov khoom siv hauv tsev uas muaj feem xyuam nrog peb lub neej. Txawm li cas los xij, qee zaum lub tshuab hluav taws xob induction yog siv tsis raug, lossis tom qab siv lub sijhawm ntev, nws yog qhov yuav tsum tau muaj xws li pos thiab teeb meem nyuaj. Ob peb hnub dhau los, Midea tsev induction cooker tawg. Kuv coj nws mus rau lub chaw saib xyuas kom tshem tawm thiab txheeb xyuas qhov teeb meem. Kuv lub qhov cub tau hnov cov pa roj ntau dhau thaum ua noj, thiab kuv tsis tau xyuam xim rau huab cua hauv chav ua noj. Sab hauv Circuit Court board ntawm induction cooker tau corroded dhau sijhawm. Cov roj fume ntau dhau ua rau lub vaj huam sib luag tsis ua haujlwm thiab tsis tuaj yeem qhib. Tom qab ntawd, tus thawj saib xyuas tau hloov lub rooj tsav xwm tseem ceeb kom rov ua haujlwm li qub. Nws kuj tau siv nyiaj ntau heev los yuav cov txiv ntseej nrog lub neej kev paub, qhia tias kev ua haujlwm txhua hnub ntawm induction cooker kuj yog qhov txuas tseem ceeb heev.
Lub induction cooker yog rhuab los ntawm electromagnetic teb, thiab cov tub ntxhais hlau yuav sov thaum lub zog zaus transformer nyob rau hauv cov khoom siv hauv tsev ua haujlwm. PTC rhaub tub ntxhais yog tsis txuas nrog thawj winding los yog thib ob winding. Nws tuaj yeem tsim kom muaj cua sov li cas? Cia peb saib daim duab hauv qab no nrog cov lus nug:
Daim duab kos duab ntawm ib qho hluav taws xob transformer muaj nyob rau hauv daim duab saum toj no. Thaum lub coil yog energized nrog alternating tam sim no, alternating magnetic teb yog generated nyob rau hauv lub kauj. Txhua daim ntawm silicon steel ntawv nyob rau hauv lub transformer muaj cov kab sib nqus ntawm lub zog dhau los. Vim qhov kev hloov pauv ntawm qhov sib nqus sib nqus, cov xov tooj ntawm cov kab sib nqus (magnetic flux) dhau los ntawm txhua daim ntawm silicon steel ntawv hloov. Raws li Lenz' txoj cai lij choj, nws yuav raug tsim tawm hauv txhua daim ntawv ntawm silicon steel. Kaw lub vortex-shaped induced tam sim no (qhov kev taw qhia tam sim no yog qhov kev taw qhia tam sim no ntawm ib lub sijhawm) los tiv thaiv kev hloov pauv ntawm cov hlau nplaum sib nqus. Qhov induced tam sim no yog hu ua eddy tam sim no, los yog eddy tam sim no luv luv. Cov eddy tam sim no ntws hauv txhua daim ntawv silicon steel. Vim tias tam sim no muaj cov nyhuv thermal, cov ntawv silicon steel heats thiab kub nce. Qhov tshwm sim uas eddy tam sim no hloov hluav taws xob rau hauv hluav taws xob hluav taws xob los ntawm cov hlau yog hu ua thermal effect ntawm eddy currents.
Txawm hais tias cov cua sov ntawm eddy tam sim no yuav muaj kev cuam tshuam rau cov khoom siv hluav taws xob, nws tuaj yeem siv rau cov tshuab cua sov, uas yog hu ua electromagnetic heating technology.
Nyob rau hauv cov ntaub ntawv ntawm induction cooker tsis muaj cua sov rau ib lub sij hawm ntawm lub sij hawm, qhov tshwm sim ib txwm yuav yog lub overcurrent ntawm lub ntsiab Circuit Court los yog overvoltage tiv thaiv ntawm lub hwj chim raj c. (Koj tuaj yeem tshawb xyuas lub hwj chim hauv lub ntsiab Circuit Court, seb puas muaj cov xau hauv tus choj tag nrho; seb puas muaj teeb meem nrog tam sim no ntawm potentiometer VR1, thiab seb lub hwj huam mov voltages ntawm 5V, 18V, thiab 300V yog ib txwm nyob hauv standby xeev)
Ua ntej, koj tuaj yeem tshawb xyuas yog tias lub qhov cub induction cua sov rau lub sijhawm tsis muaj cua sov. Qhov teeb meem no yog kev txawj ntse (lub computer tswj hom) lossis phau ntawv; Yog hais tias nws yog ntse tswj, nws txhais tau hais tias qhov xaiv induction cooker hom tsis yog lawm, tsuas yog hloov lwm hom ua noj. Yog tias nws yog phau ntawv, nws yuav yog qhov thermal conductive silicone roj ntawm qhov ntsuas kub ntawm lub kauj disk tsawg dua, thiab nws yuav zoo dua ntxiv qee cov thermal conductive silicone roj. Yog tias ntxiv cov roj thermal tsis ua haujlwm, nws yog ib qho teeb meem hauv chav kawm loj.
High voltage capacitors thiab high voltage resistors ntawm lub motherboard yog tawg. Qhov teeb meem no kuj tshwm sim. Yog tias tsis muaj teeb meem ntawm lub motherboard, nws kuj yuav yog lub rooj tsav xwm, tab sis nws yog qhov tsawg heev uas lub rooj tsav xwm tau tawg.
Tsis tas li ntawd, xyuas ob lub thermistor ntawm lub kauj qis, ib qho ntawm IGBT raj thiab lwm qhov nyob rau hauv nruab nrab ntawm lub coil disk (lub resistor ntawm lub disk yog coated nrog dawb thermal roj). Xyuas seb lub synchronous loj kuj muaj nuj nqis hloov thaum qhov kev ua haujlwm tsis zoo, thiab seb qhov ua haujlwm voltage ntawm ob ntu ntawm qhov tsis kam yog qhov qub. Qee zaum, qhov hluav taws xob tsis ruaj khov kuj tuaj yeem ua rau lub qhov cub induction tsis kub.
Saib xyuas seb puas muaj qhov xoob hauv cov plugs sab hauv ntawm lub qhov cub induction. Koj tuaj yeem tshem tawm ob lub plugs ntawm magnetron thiab sim thawj kab voltage ntawm lub transformer yog tias nws muaj zog. Yog tias nws tsis ruaj khov, koj tuaj yeem txiav tawm lub zog. Siv cov pliers rub tawm cov plugs nyob rau hauv lem los xyuas seb puas muaj ib qho xoob. , micro hloov kuj tuaj yeem ntsuas nrog ib lub 'meter'. PTC rhaub
Qhov sib cuam tshuam cua sov tsis ua hauj lwm ntawm induction cooker muaj ntau lub ntsiab lus tsis ua hauj lwm, thiab nws muaj teeb meem ntau dua los kho. Raws li kev paub dhau los, nws yog qhov yooj yim thiab ua tau kom ua tib zoo saib xyuas qhov hloov pauv tam sim no los txiav txim qhov txhaum ntau yam:
1. Thaum tam sim no dhia hauv qhov ntau ntawm 0---7A. Yuav tsum tsom rau kev tshuaj xyuas seb qhov loj ntawm qhov kev sib txuas ntawm qhov hluav taws xob tau hloov pauv, thiab seb qhov voltages ntawm ob lub sampling terminals ntawm lub synchronization Circuit Court yog qhov qub.
2. Thaum tam sim no dhia hauv qhov ntau ntawm 0---4A. Yuav tsum tsom mus rau cov khoom tam sim no nrhiav pom, xws li tam sim no transformer (lub cub tawg tshiab constantan hlau thiab dual ua haujlwm amplifier circuit), adjustable resistors, diodes, tsis kam-capacitance Cheebtsam thiab ib-chip Circuit Court.
4. Cov cua kub ntawm cov iav me me yog qhov qub, thiab cov cua kub ntawm cov iav loj yog sib quas ntus. Koj tuaj yeem tshawb xyuas 300V thiab lim capacitor ua ntej, thiab xyuas seb lub peev xwm ntawm 2F tiv thaiv kev cuam tshuam capacitor txo. Koj tuaj yeem sim nws nrog 3.3F capacitor. Txawm li cas los xij, vim qhov me me ntawm cov khoom siv hluav taws xob cov hlau lead-hauv hlau lossis kev sib cuag tsis zoo ntawm lub qhov (socket), qhov tsis ua haujlwm tshwm sim los ntawm kev siv cov lauj kaub thiab cov tais diav uas tsis ua raws li qhov yuav tsum tau ua tsis tuaj yeem tsis quav ntsej.
1. Lub tshuab hluav taws xob induction muaj qee yam hluav taws xob hluav taws xob tsawg tsawg. Tsis txhob ua haujlwm nrog cov npav sib nqus (xws li cov npav hauv txhab nyiaj) thiab cov saib uas tsis tuaj yeem tiv thaiv kev sib nqus kom tsis txhob muaj hlau nplaum, demagnetization lossis kev puas tsuaj.
2. Txawm hais tias nws tsis tau muaj pov thawj tias qhov hluav taws xob tsawg tsawg yog teeb meem lossis tsis muaj teeb meem rau tib neeg lub cev, cov poj niam cev xeeb tub thiab cov menyuam yaus yuav tsum tsis txhob siv lub qhov cub induction, tsuas yog nyob rau hauv rooj plaub.
3. Qhov kev ncua deb ntawm tus neeg teb xov tooj thiab lub induction cooker yuav tsum tsis pub tsawg tshaj 0.5 meters, thiab tsis txhob sawv ntawm lub induction cooker rau lub sij hawm ntev kom txo tau hluav taws xob hluav taws xob thiab ua kom muaj kev ruaj ntseg.
4. Lub tshuab hluav taws xob siv hluav taws xob siv lub tshuab hluav taws xob sib nqus los ua kom cov cua sov tam sim no, uas yog, lub tshuab nqus hlau yog tsim los ntawm kev dhau ntawm qhov tam sim no los ntawm lub kauj. Thaum cov kab hluav taws xob sib nqus hauv cov hlau nplaum hla dhau hauv qab ntawm lub lauj kaub hlau, cov kab hlau nplaum raug txiav, yog li tsim cov eddy tam sim no suav tsis txheeb, ua rau cov hlau atoms hauv lub lauj kaub hlau nws tus kheej tig ntawm kev kub ceev thiab tsim kev sib tsoo. , kev sib txhuam, thiab cua sov kom ncaj qha tshav kub cov zaub mov hauv lub lauj kaub. Hauv lwm lo lus, PTC rhaub yog rhuab los ntawm hysteresis nyhuv ntawm lub cev ferromagnetic nyob rau hauv alternating magnetic teb. Yog li ntawd, lub lauj kaub yuav tsum siv lub lauj kaub hlau tsis yog lub lauj kaub ceramic. Yog tias koj siv cov lauj kaub txhuas, cov lauj kaub tooj liab thiab lwm cov lauj kaub hlau, lawv cov cua sov ua haujlwm kuj qis heev, thiab qhov pib siv tsis tau.