Kev paub hauv Transforming Electric Solder Irons
Lub 30W hluav taws xob soldering hlau xav zoo li nws yuav tsum tau ua kom sov ntev ntev thaum lub sij hawm vuam txheej txheem ntawm cov khoom loj, uas tuaj yeem ua rau cov khoom siv welded tau yooj yim.
Yog tias koj xav ua qhov hauv cov yas thiab xav tias kub ntau dhau tuaj yeem ua rau lub qhov loj dhau, cov yas yuav yaj ntau dhau thiab lo rau cov tub ntxhais hlau soldering, ua rau nws nyuaj rau tshem tawm carbonization.
Thaum lub sij hawm debugging txheej txheem, yog hais tias cov hluav taws xob soldering hlau yog siv intermittently thiab tseem nyob rau hauv ib tug qhuav burning lub xeev, tus mob soldering hlau core yog nquag oxidation. Yog tias lub zog raug txiav tawm los tiv thaiv cov tub ntxhais hlau soldering, nws yuav tsum tau tos lub sijhawm cua sov kom rov siv dua.
Yog li tom qab xav tau ntev, kuv tuaj nrog txoj hauv kev kom tsis txhob muaj qhov xwm txheej saum toj no tshwm sim. Ua ntej, qhov ntsuas kub tswj Circuit Court ntawm hluav taws xob soldering hlau tau kos, raws li qhia hauv daim duab. Cov khoom siv tau yooj yim heev, suav nrog ntau qhov hloov pauv, peb 400V / 4.7uF capacitors, thiab peb 1N4001 diodes thiab cov xov hlau. Muaj ib lub ntsaws rau peb-theem thiab ib lub qhov (socket) raug, thiab qee cov phooj ywg yuav nug seb qhov twg muaj peb-theem soldering hlau? Qhov tseeb, qhov no yog kev npaj ntxiv rau lwm qhov tseem ceeb. Qhov ntawd yog grounding, vim hais tias cov hluav taws xob soldering hlau tau induced hluav taws xob txaus los ua rau lub integrated Circuit Court tawg, yog li grounding yog tsim nyog los tso cov nqi no.
Peb kuj xav tau lub thawv yas rwb thaiv tsev, uas tuaj yeem hloov tau los ntawm lub thawv yas ntawm lub teeb fluorescent puas rectifier. Tau kawg, lwm lub thawv yas kuj siv tau. Txuas cov khoom qub rau ntawm qhov hloov raws li kuv daim duab kos duab. Tom qab ntawd txuas A thiab B terminals mus rau qhov nyob thiab xoom xaim ntawm lub ntsaws, thiab txuas C thiab D terminals mus rau qhov nyob thiab xoom xaim ntawm lub qhov (socket). Ntsia hlau tooj liab mus rau hauv paus kub dissipation qhov ntawm lub tsho hlau hlau, thiab tom qab ntawd txuas cov hlau mus rau hauv av xaim kawg ntawm peb-theem ntsaws. Qhov no ua tiav txoj haujlwm.
Txoj haujlwm ua haujlwm:
Thaum xaiv qhov hloov pauv tau txuas nrog 1, lub diode txuas nrog hauv series hauv Circuit Court, uas yog sib npaug rau ib nrab nthwv dej rectifier circuit. Lub sijhawm no, cov hlau nplaum tsuas yog siv qhov zoo ib nrab nthwv dej ntawm AC lub zog los ua haujlwm. Nws yog sib npaug los txo lub zog ntawm cov hluav taws xob soldering hlau kom tsuas yog 70 feem pua ntawm cov hluav taws xob ib txwm muaj, thiab nrog rau qhov kub thiab txias, cov cua sov tsim tsuas yog 60 feem pua ntawm qhov qub. Nws yog precisely siv rau ironing thiab tos rau rwb thaiv tsev thaum debugging, tsis ua rau oxidation ntawm hluav taws xob soldering hlau taub hau.
Thaum xaiv qhov hloov mus rau 2, nws yog lub zog ib txwm thiab tsim nyog rau vuam cov khoom me me. Thaum qhov kev hloov pauv tau xaiv rau 3, txawm hais tias lub diode tseem txuas nrog hauv cov koob los ua ib nrab nthwv dej rectifier Circuit Court, peb tau txuas nrog 400V / 4.7uF capacitor nyob rau tib lub sijhawm ntawm cov khoom siv hlau. Nyob rau hauv txoj kev no, rectified direct tam sim no ces boosted rau 280V los ntawm ib tug capacitor muab cov hlau soldering rau siv. Tab sis raws li qhov voltage nce, lub zog ntawm cov hluav taws xob soldering hlau kuj nce 30 feem pua, ua rau nws yooj yim dua rau vuam cov khoom loj ntawm qhov kub thiab txias. Thaum hloov mus rau 4, nws kuj yog ib nrab nthwv dej rectification, tab sis nrog ob lub capacitors boosting voltage, yuav muaj ib tug voltage ntawm 300V, thiab qhov kub thiab txias yuav ntau dua. Qhov no tsim ntau theem kub hloov hluav taws xob soldering hlau.
