Waa maxay mabda'a shaqada ee kariyaha induction

1. Wareegga ugu weyn
Jaantuska, buundada rectifier BI waxay beddeshaa tamarta soo noqnoqda (50HZ) danab garaaca DC.L1 waa ceejis iyo L2 waa gariiradda elektromagnetic.IGBT-ga waxa kaxeeya garaac leydi ah oo ka yimid wareegga kantaroolka.Marka IGBT la shido, socodka hadda socda ee L2 ayaa si degdeg ah u kordha.Marka IGBT la gooyo, L2 iyo C21 waxay yeelan doonaan dhawaaq taxane ah, iyo C-cirka IGBT wuxuu dhalin doonaa garaaca garaaca sare ee dhulka.Marka garaaca garaaca uu u dhaco eber, garaaca waduhu waxa lagu daraa IGBT mar kale si ay u noqoto mid soconaysa.Habka kor ku xusan wuxuu u socdaa wareeg iyo wareeg, iyo mowjadda electromagnetic ugu weyn ee qiyaastii 25KHZ ayaa ugu dambeyntii la soo saaray, taas oo ka dhigaysa dheriga birta ah ee hoose ee lagu dhejiyay saxanka dhoobada inuu keeno qulqulka qulqulka oo ka dhigaya dheriga kulul.Inta jeer ee dhawaaqa taxanaha ahi waxa uu qaataa halbeegyada L2 iyo C21.C5 waa capacitor filter awood.CNR1 waa varistor (wax nuugaya qalliinka).Marka korantada AC ee korontadu ay si lama filaan ah u kacdo sabab qaar ka mid ah, waxay noqon doontaa mid gaaban isla markiiba, taas oo si dhakhso ah u afuufi doonta fiyuuska si loo ilaaliyo wareegga.

2. Koronto caawiye ah
Korontada wareejinta waxay bixisaa laba wareeg oo xasilinta danab:+5V iyo+18V.+ 18V ka dib hagaajinta buundada waxaa loo isticmaalaa wareegga wadista ee IGBT, IC LM339 iyo wareegga wadista fanka ayaa si isku mid ah loo barbar dhigaa, iyo + 5V ka dib xasilinta korantada ee seddexda terminal korantada xasilinta wareegga waxaa loo isticmaalaa kontoroolka weyn ee MCU.

3. taageere qaboojin
Marka korontadu shido, kontoroolka ugu weyn ee IC waxa uu soo diraa calaamada marawaxad (FAN) si marawaxadu u wareegto, ugu neefso hawada qabow ee dibada ee jidhka mishiinka, ka dibna ka soo saar hawada kulul dhinaca danbe ee jidhka mishiinka. si loo gaaro ujeedada kuleylka kuleylka ee mashiinka, si looga fogaado burburka iyo fashilka qaybaha sababtoo ah heerkulka sare ee jawiga shaqada.Marka marawaxadu istaagto ama kulaylku uu liito, mitirka IGBT ayaa lagu dhejiyaa kulayliye si uu u gudbiyo calaamada heerkulka xad dhaafka ah ee CPU, joojiyo kuleylka, oo loo gaaro ilaalin.Xilliga tamarta la shido, CPU-gu waxay soo diri doontaa calaamadda ogaanshaha marawaxada, ka dibna CPU waxay soo diri doontaa signalka wadista marawaxada si uu mishiinku u shaqeeyo marka mashiinku si caadi ah u shaqeeyo.

4. Xakamaynta heerkulka joogtada ah iyo wareegga ilaalinta kulaylka
Shaqada ugu weyn ee wareeggan waa in la beddelo heerkulka isbeddelaya unugga korantada ee iska caabbinta iyadoo loo eegayo heerkulka uu dareemo thermistor (RT1) ee hoosta saxanka dhoobada iyo thermistor (coefficient heat coefficient) ee IGBT, oo u gudbiya ugu weyn xakamaynta IC (CPU).CPU-gu waxay samaysaa calaamad orod ama joogsi ah iyadoo isbarbar dhigaysa qiimaha heerkulka la dejiyay kadib beddelka A/D.

5. Hawlaha ugu muhiimsan ee kantaroolka weyn ee IC (CPU)
Hawlaha ugu muhiimsan ee 18 pin master IC waa sida soo socota:
(1) Awood dami/Dami kontoroolka wareejinta
(2) Awoodda kulaylka/ xakamaynta heerkulka joogtada ah
(3) Xakamaynta hawlaha tooska ah ee kala duwan
(4) Lama ogaan karo culeyska iyo xiritaanka tooska ah
(5) Ogaanshaha gelinta shaqada muhiimka ah
(6) Ka ilaalinta heerkulka sare ee mashiinka gudaha
(7) Kormeerka dheriga
(8) Ogeysiinta kulaylka dusha sare ee foornada
(9) xakamaynta marawaxada qaboojinta
(10) Xakamaynta bandhigyada guddiyada kala duwan

6. Ku shub wareegga ogaanshaha hadda
Wareegtan, T2 (transformer) waxay si taxane ah ugu xiran tahay xariiqda hore ee DB (buundada rectifier), markaa korantada AC ee dhinaca labaad ee T2 waxay ka tarjumaysaa isbeddelka hadda jira.Danab AC waxa markaas loo rogaa danab DC iyada oo loo marayo D13, D14, D15 iyo D5 toosinta hirarka buuxa, danabkuna waxa si toos ah loogu diraa CPU si loogu beddelo AD ka dib kala qaybinta danab.CPU-gu waxay ku qiimeeyaan cabbirka hadda iyadoo loo eegayo qiimaha AD ee la beddelay, wuxuu ku xisaabiyaa awoodda iyada oo loo marayo software wuxuuna koontaroolaa cabbirka wax soo saarka PWM si loo xakameeyo awoodda loona ogaado culeyska

7. Wareegga wadista
Wareeggu wuxuu kor u qaadaa wax soo saarka calaamadda garaaca wadnaha ee wareegga hagaajinta ballaca garaaca si uu u noqdo xoog calaamad ku filan si uu u wado IGBT inuu furo oo xiro.Baaxadda balaadhka garaaca garaaca wadnaha, waa sii dheeraanayaa wakhtiga furitaanka IGBT.Markasta oo ay bataan awoodda wax soo saarka mashiinka gariiradda, waa ay kordheysaa tamarta dabka.

8. Loop oscillation isku-dhafan
Wareegga ruxruxinta (dhaliye mawjada sawtooth) oo ka kooban loop ogaanshaha isku dhafan oo ka kooban R27, R18, R4, R11, R9, R12, R13, C10, C7, C11 iyo LM339, kuwaas oo soo noqnoqda oscillating ay la mid tahay inta jeer ee shaqo-kariyaha Habaynta PWM, waxay soo saartaa garaaca garaaca wadnaha isku midka ah iyada oo loo marayo pin 14 ee 339 si loogu wado hawlgal xasiloon.

9. Wareegga ilaalinta qulqulka
Wareegga ilaalinta qulqulka oo ka kooban R1, R6, R14, R10, C29, C25 iyo C17.Marka kor u kaca uu aad u sarreeyo, pin 339 2 waxay soo saartaa heer hoose, dhinaca kale, waxay ku wargelisaa MUC inay joojiso awoodda, dhinaca kale, waxay damisaa calaamadda K iyada oo loo marayo D10 si ay u damiso wax soo saarka korontada.

10. Wareegga ogaanshaha danab firfircoon
Wareegga ogaanshaha korantada ee ka kooban D1, D2, R2, R7, iyo DB ayaa loo isticmaalaa in lagu ogaado in korantada sahayda korantadu ay ku dhex jirto inta u dhaxaysa 150V ~ 270V ka dib marka CPU ay si toos ah u beddesho hirarka garaaca wadnaha ee AD.

11. Xakamaynta tamarta sare ee isla markaaba
R12, R13, R19 iyo LM339 ayaa ka kooban.Marka danab dambe uu caadi yahay, wareeggani ma shaqayn doono.Marka korantada sare ee degdega ahi ay dhaafto 1100V, pin 339 1 waxa uu soo saari doonaa awood hoose, hoos u dhigi doona PWM, yaraynta awoodda wax soo saarka, xakamaynta danabka dambe, ilaalinta IGBT, oo ka hortagaya burburka xad-dhaafka ah.