Wareegga haynta MOSFET oo ay ku jiraan iska caabiyeyaasha R1-R6, capacitors electrolytic C1-C3, capacitor C4, PNP triode VD1, diodes D1-D2, dhexdhexaadiyaha dhexdhexaadka ah K1, isbarbardhiga korantada, laba jeer sal isku dhafan chip NE556, iyo MOSFET Q1. oo leh pin No. 6 ee dual time base-ka isku dhafan chip NE556 oo u adeegaya sidii gelinta signalka, iyo hal dhamaadka resistor R1 isku mar lagu xidhayo Pin 6 hal dhamaadka resistor R1 waxa uu ku xidhan yahay pin 14 ee saldhiga dual-time isku dhafan chip NE556, hal dhamaadka resistor R2, hal dhamaadka resistor R4, emitter ee transistor PNP VD1, biya shubay MOSFET Q1 ah, iyo DC ah. korontada, iyo dhamaadka kale ee resistor R1 ku xidhan pin 1 ee saldhiga dual-time isku dhafan chip NE556, pin 2 ee saldhiga dual-time isku dhafan chip NE556, capacitance electrolytic togan ee capacitor C1, iyo gudbinta dhexe. K1 ayaa si caadi ah u xiran xiriirka K1-1, dhamaadka kale ee gudbinta dhexdhexaadka ah ee K1 ayaa si caadi ah u xiran xiriirka K1-1, cirifka taban ee capacitor electrolytic C1 iyo hal dhamaadka capacitor C3 ayaa ku xiran dhulka korontada, dhamaadka kale ee capacitor C3 wuxuu ku xiran yahay pin 3 ee saldhigga dual time ee isku dhafan chip NE556, pin 4 ee saldhigga dual time ee isku dhafan chip NE556 wuxuu ku xiran yahay cirifka wanaagsan ee capacitor electrolytic C2 iyo dhamaadka kale ee resistor R2 isku mar, iyo cirifka taban ee capacitor electrolytic C2 wuxuu ku xiran yahay dhulka korontada, iyo cirifka taban ee korantada C2 wuxuu ku xiran yahay dhulka korontada. Cirifka xun ee C2 wuxuu ku xiran yahay dhulka korontada, pin 5 ee saldhigga dual-time ee isku-dhafan chip NE556 wuxuu ku xiran yahay hal dhammaadka resistor R3, dhammaadka kale ee resistor R3 wuxuu ku xiran yahay gelitaanka wajiga togan ee isbarbardhigga danab. , galitaanka wajiga xun ee comparator danab ku xiran tahay cirifka togan ee diode D1 iyo dhamaadka kale ee resistor R4 isku mar, cirif xun ee diode D1 ku xiran yahay dhulka korontada, iyo wax soo saarka Comparator danabku wuxuu ku xiran yahay dhamaadka resistor R5, dhamaadka kale ee resistor R5 wuxuu ku xiran yahay triplex PNP. Wax soo saarka isbarbardhigga danabku wuxuu ku xiran yahay hal daraf oo resistor R5, dhamaadka kale ee resistor R5 wuxuu ku xiran yahay saldhigga PNP transistor VD1, aruuriyaha PNP transistor VD1 wuxuu ku xiran yahay cirifka togan ee diode D2, cirifka taban ee diode D2 wuxuu ku xiran yahay dhamaadka resistor R6, dhamaadka capacitor C4, iyo albaabka MOSFET isku mar, dhamaadka kale ee resistor R6, dhamaadka kale ee R6. capacitor C4, iyo dhamaadka kale ee dhexdhexaadiyaha dhexdhexaadka ah K1 dhamaantood waxay ku xiran yihiin dhulka korontada iyo dhamaadka kale ee dhexdhexaadiyaha dhexe ee K1 wuxuu ku xiran yahay isha ishaMOSFET.
Wareegga xajinta MOSFET, marka A ay bixiso calaamad hoose oo kicinaysa, wakhtigan dual time base-ka isku dhafan chip NE556 set, dual time base integrated chip NE556 pin 5 heer sare ah wax soo saarka, heer sare galay galinta wejiga togan ee comparator danab, taban Gelitaanka wajiga ee isbarbardhigga danab ee resistor R4 iyo diode D1 si ay u bixiyaan danab tixraaca, waqtigan, wax soo saarka comparator danab heer sare ah, heerka sare si ay u sameeyaan Triode VD1 qabtaa, hadda qulqulaya ka ururiyaha ee triode VD1. waxay ku dallacaysaa capacitor C4 iyada oo loo marayo diode D2, isla mar ahaantaana, MOSFET Q1 waxay qabataa, wakhtigan, gariiradda gudbinta dhexdhexaadka ah ee K1 waa la nuugaya, iyo gudbinta dhexdhexaadka ah ee K1 sida caadiga ah xiriirinta K 1-1 waa la gooyaa, ka dib dhexdhexaadinta gudbinta K1 sida caadiga ah xidhidhka K 1-1 waa go'an yahay, sahayda DC ee 1 iyo 2 cagood ee saldhiga dual-time isku dhafan chip NE556 waxay bixisaa danab sahayda la kaydiyaa ilaa danab on pin 1 iyo pin 2 ee dual- Waqtiga saldhigga isku-dhafan chip NE556 waxaa lagu dallaci karaa 2/3 ee korantada sahayda, saldhigga laba-waqtiga isku-dhafan ee chip NE556 si toos ah ayaa dib loogu dejinayaa, iyo pin 5 ee gunnada isku-dhafan ee isku-dhafka ah ee NE556 si toos ah ayaa loogu soo celinayaa heer hoose, wareegyada soo socda ma shaqeeyaan, halka wakhtigan, capacitor C4 la sii daayo si loo ilaaliyo MOSFET Q1 conduction ilaa dhamaadka capacitance C4 soo daynta iyo gudbinta dhexe ee K1 gariiradda sii daayo, gudbinta dhexe ee K1 sida caadiga ah xidhidh xiriir K 11, at this wakhtiga dhexda xidhidhiyaha dhexdhexaadka ah ee K1 sida caadiga ah xidhan xidhiidhka K 1-1 waxa ay noqon doontaa dual time base isku dhafan chip NE556 1 cag iyo 2 cagood ee danab sii daayo off, wakhtiga ku xiga si dual time salka isku dhafan chip NE556 pin 6 si ay u bixiyaan hooseeyo kicinta signalka si loo sameeyo laba-wakhti saldhig isku-dhafan chip NE556 oo diyaarsan.
Qaab dhismeedka wareegga codsigan waa mid fudud oo cusub, marka saldhigga laba-waqtiga isku-dhafan ee NE556 pin 1 iyo pin 2 oo lagu dallaco 2/3 ee korantada sahayda, laba-waqtiga isku-dhafka ah ee chip NE556 ayaa si toos ah dib loo dejin karaa, laba-waqti isku dhafan NE556 pin 5 waxay si toos ah ugu soo noqotaa heer hoose, si wareegyada xiga aysan u shaqeyn, si ay si toos ah u joojiyaan ku dallaca capacitor C4, iyo ka dib joojinta ku dallaca capacitor C4 ee ay hayso MOSFET Q1 conductive, codsigan si joogto ah u sii hayn karaaMOSFETQ1 ku shaqaynaysa 3 sekan
Waxaa ka mid ah resistors R1-R6, capacitors electrolytic C1-C3, capacitor C4, PNP transistor VD1, diodes D1-D2, dhexdhexaadiyaha dhexdhexaadka ah K1, comparator danab, dual time base chip NE556 iyo MOSFET Q1, pin 6 ee saldhiga dual time ee isku dhafan. chip NE556 waxaa loo isticmaalaa sidii gelinta signalka, iyo hal dhamaadka resistor R1 waxa uu ku xidhan yahay pin 14 ee dual time base infusion chip NE556, resistor R2, pin 14 of the dual time base integrated chip NE556 iyo pin 14 of the dual time sal isku dhafan chip NE556, iyo resistor R2 waxay ku xiran tahay pin 14 ee dual time saldhigga isku dhafan chip NE556. pin 14 ee saldhiga dual-time ee isku dhafan chip NE556, hal dhamaadka resistor R2, hal dhamaadka resistor R4, PNP transistor
Waa maxay nooca mabda'a shaqada?
Marka A ay bixiso calaamad hoose oo kiciya ah, ka dibna laba-wakhti saldhigga isku dhafan chip NE556 set, dual-time base mix chip NE556 pin 5 heer sare ah wax soo saarka, heer sare galay galinta wejiga togan ee isbarbardhigga danab, gelinta wajiga xun ee Comparator danab by resistor R4 iyo diode D1 si ay u bixiyaan danab tixraaca, markan, comparator danab soo saarka heer sare ah, heerka sare ee transistor VD1 conduction, socodka hadda ka soo ururiyaha ee transistor VD1 dhex diode D2 si ay u capacitor C4 dallacaadda, wakhtigan, nuugista gariiradda gudbinta dhexe ee K1, nuugista gariiradda dhexdhexaadka ah ee K1. Hadda ka soo qulqulaya ururiyaha transistor VD1 waxaa lagu dallacay capacitor C4 iyada oo loo marayo diode D2, isla markaana,MOSFETQ1 wuxuu qabtaa, wakhtigan, gariiradda gudbinta dhexdhexaadka ah ee K1 waa la nuugi doonaa, iyo gudbinta dhexdhexaadka ah ee K1 xidhiidhka caadiga ah ee K 1-1 waa la jaray, ka dib gudbinta dhexdhexaadka ah ee K1 xiriirka caadiga ah ee K 1-1 waa la jaray, korontada korantada sahayda ee ay bixiso isha korantada DC ee 1 iyo 2 cagood ee dual timebase isku dhafan chip NE556 waa la kaydiyaa ilaa Marka danab on pin 1 iyo pin 2 ee saldhigga dual-time ee chip NE556 lagu dallaci 2/3 of danab sahayda, laba-wakhti saldhigga isku dhafan chip NE556 si toos ah dib, iyo pin 5 ee dual-time saldhigga isku dhafan chip NE556 si toos ah dib loogu soo celiyo heer hoose, iyo wareegyada xiga ma shaqeeyaan, iyo wakhtigan, capacitor C4 waa la sii daayay si loo joogteeyo socodka MOSFET Q1 ilaa dhamaadka sii daynta capacitor C4, iyo gariiradda gudbinta dhexe K1 waa la sii daayay, iyo gudbinta dhexe ee K1 sida caadiga ah xidhidhka K 1-1 waa la jaray. Relay K1 sida caadiga ah xidhidhka K 1-1 waa la xidhay, markan iyada oo loo marayo gudbinta dhexdhexaadka ah ee K1 sida caadiga ah xidhidhka K 1-1 waxay noqon doontaa saldhig laba-wakhti ah oo isku dhafan chip NE556 1 cagood iyo 2 cagood oo ku saabsan sii deynta danabka, marka xigta saldhigga dual-time ee isku-dhafan chip NE556 pin 6 si loo bixiyo calaamadda kicinta si hoos loogu dhigo, si loogu diyaargaroobo saldhigga laba-waqtiga isku dhafan ee chip NE556 set.
Waqtiga boostada: Abriil-19-2024
