Ntau cov kauj ruam kho kom hloov cov khoom siv hluav taws xob tau teev tseg hauv qab no:
1, sim lub rectifier Circuit Court D1-D4 seb puas puas lossis puas lim Circuit Courtcapacitorpuas, tshuavresistorR1, R2 yog qhov qub, phaw resistor R3 seb puas muaj nqi hluav taws xob los yog tsis kam ua kom tsis muaj zog (kuaj nyob rau hauv lub hwj chim tsis ua hauj lwm).
2, ntsuas lub raj xa hluav taws xob sib txuas, kev sib txuas ntawm qhov sib txuas seb puas muaj qhov cuam tshuam ntawm qhov tshwm sim luv luv, ntsuas qhov hloov pauvtransformerwinding seb puas muaj qhov tshwm sim luv luv, txhawm rau txiav txim siab lub raj xa hluav taws xob, thiab qhov hloov pauv hloov pauv yog qhov zoo lossis qhov tsis zoo (kuaj nyob rau hauv lub zog tsis ua haujlwm).
3, sim cov khoom siv thib ob winding rectifier lim cov khoom, tsom mus rau seb lub lim capacitor bulging lossis puas, thiaj li tsis suav nrog qhov muaj peev xwm ntawm theem nrab Circuit Court luv.
4, kuaj qhov nqus Circuit Court D5, R11, C9 yog qhov qub (kuaj nyob rau hauv lub hwj chim tsis ua hauj lwm).
5, nyob rau hauv cov ntaub ntawv ntawm kev txiav txim siab ntawm cov saum toj no Cheebtsam yog ib txwm, peb muaj peev xwm tshem tawm lub switching fais fab mov board los ntawm lub inverter mus rau lub hwj chim mus kuaj ib leeg. Nrog rau cov regulator maj mam hloov mus rau qhov ntsuas voltage tus nqi ntawm lub switching fais fab mov, lub sij hawm no yuav tsum tau hnov lub transformer vibration squeak, xws li tsis hnov lub suab ntawm kev co, siv.ib tug multimetertxhawm rau txheeb xyuas cov khoom siv hluav taws xob ntawm UC3844 qhov zoo, theem tsis zoo ntawm seb puas muaj DC voltage ntawm 12V-16V lossis li ntawd.
6, hauv kev txiav txim siab UC3844 fais fab mov voltage yog qhov qub, ib qhooscilloscopetuaj yeem siv los saib seb UC3844 6 ko taw ntawm PWM nthwv dej tawm mus rau qhov cuam tshuam ntawm qhov hloov pauv (raws li kev tsim hluav taws xob sib txawv, qhov zaus ntawm PWM nthwv dej feem ntau yog 20KHZ-100KHZ) .
7, yog tias tsis muaj PWM yoj tawm, ces hloov lub sij hawm Cheebtsam C5, R8, C6 los yog UC3844. Tom qab tshem tawm cov kauj ruam saum toj no, lub zog hloov pauv yuav tsum ua haujlwm ib txwm. Nyob rau hauv lub inverter, muaj ntau hom kev hloov fais fab mov, tab sis cov hauv paus ntsiab lus yog tib yam, piv txwv li, txhua PWM tswj nti muaj lub hwj chim mov, sij hawm Cheebtsam RC network, tso zis PWM yoj chaw nres nkoj, thiab lwm yam, tsuav yog peb nkag siab txog lawv txoj haujlwm ua haujlwm, raws li qee txoj hauv kev thiab cov kauj ruam tuaj yeem daws teeb meem.
