Kopo e Nyane ea Hona Joale ea MOSFET e Ts'oereng Potoloho ea Potoloho

Potoloho ea MOSFET e kenyelletsang li-resistors R1-R6, electrolytic capacitors C1-C3, capacitor C4, PNP triode VD1, diode D1-D2, relay e mahareng K1, comparator ea voltage, sesebelisoa se kopantsoeng sa nako e habeli NE556, le MOSFET Q1, e nang le pin No. 6 ea "dual time base integrated chip NE556" e sebetsang e le pontšo ea pontšo, le ntlha e le 'ngoe. ea resistor R1 e hokahaneng ka nako e le 'ngoe ho Pin 6 ea chip ea nako e' meli e kopantsoeng ea NE556 e sebelisoa e le pontšo ea pontšo, pheletsong e le 'ngoe ea resistor R1 e hokahane le pin 14 ea chip ea nako e habeli e kopantsoeng ea NE556, pheletso e le' ngoe. ea resistor R2, pheletso e 'ngoe ea resistor R4, emitter ea PNP transistor VD1, drain ea MOSFET Q1, le phepelo ea motlakase ea DC, le pheletso e' ngoe ea resistor R1 e hokahane le phini ea 1 ea sesebelisoa se kopantsoeng sa nako e habeli NE556, phini ea 2 ea sesebelisoa se kopantsoeng sa nako e habeli NE556, matla a matle a electrolytic a capacitor C1, le relay e mahareng. K1 ka tloaelo e koetsoeng ho ikopanya le K1-1, pheletsong e 'ngoe ea phepelo ea mahareng K1 hangata e koetsoe K1-1, palo e mpe ea electrolytic capacitor C1 le pheletso e le' ngoe ea capacitor C3 e hokahane le sebaka sa phepelo ea matla, pheletsong e 'ngoe ea capacitor C3 e hokahane le phini ea 3 ea "dual time base integrated chip NE556", pinana ea 4 ea "dual time base integrated chip NE556" e hokahane le tse ntle. palo ea electrolytic capacitor C2 le pheletsong e 'ngoe ea resistor R2 ka nako e tšoanang,' me palo e mpe ea electrolytic capacitor C2 e amana le sebaka sa phepelo ea matla, 'me palo e mpe ea electrolytic capacitor C2 e hokahane le sebaka sa phepelo ea matla. Palo e mpe ea C2 e hokahane le sebaka sa phepelo ea matla, pinana ea 5 ea nako e 'meli e kopantsoeng ea chip NE556 e hokahane pheletsong e' ngoe ea resistor R3, pheletsong e 'ngoe ea resistor R3 e hokahane le karolo e ntle ea karolo ea motlakase ea comparator. , karolo e mpe ea karolo e mpe ea comparator ea motlakase e hokahane le palo e ntle ea diode D1 le pheletsong e 'ngoe ea resistor R4 ka nako e ts'oanang, palo e mpe ea diode D1 e hokahane le matla. sebaka sa phepelo, 'me tlhahiso ea comparator ea voltage e hokahane le qetellong ea resistor R5, karolo e' ngoe ea resistor R5 e hokahane le PNP triplex. Sehlahisoa sa comparator ea motlakase se hokahane le pheletsong e 'ngoe ea mohanyetsi R5, pheletsong e' ngoe ea mohanyetsi R5 e hokahane le setsi sa PNP transistor VD1, mokelli oa PNP transistor VD1 o hokahane le palo e ntle ea diode. D2, palo e mpe ea diode D2 e ​​hokahane le pheletso ea mohanyetsi R6, pheletso ea capacitor C4, le heke ea MOSFET ka nako e ts'oanang. nako, pheletsong e 'ngoe ea mohanyetsi R6, pheletsong e' ngoe ea capacitor C4, 'me pheletsong e' ngoe ea phepelo ea mahareng K1 kaofela li hokahantsoe le mobu oa phepelo ea motlakase mme pheletsong e 'ngoe ea phepelo ea mahareng K1 e hokahantsoe le mohloli oa mohloli oaMOSFET.

Potoloho ea polokelo ea MOSFET, ha A e fana ka lets'oao le tlase la trigger, ka nako ena sete ea nako e 'meli e kopantsoeng ea chip NE556, chip ea nako e habeli e kopantsoeng ea chip NE556 pin 5 e phahameng, boemo bo holimo molemong oa karolo e ntle ea comparator ea voltage, e mpe. karolo ea karolo ea motlakase oa motlakase ke resistor R4 le diode D1 ho fana ka motlakase oa litšupiso, ka nako ena, sehlahisoa sa motlakase oa motlakase se phahameng, boemo bo phahameng ho etsa Triode VD1 e khanna, e phallang hona joale ho tsoa ho mokelli oa triode VD1 capacitor C4 ka diode D2, 'me ka nako e ts'oanang, MOSFET Q1 e tsamaisa, ka nako ena, coil ea intermediate relay K1 e kenngoa,' me relay e bohareng ea K1 ka tloaelo. K 1-1 e koetsoeng e khaotsoe, 'me ka mor'a hore relay e bohareng, K1 e koetsoe ka tloaelo K 1-1. ha e khaotsoe, phepelo ea motlakase ea DC maotong a 1 le 2 ea "dual-time base integrated chip NE556" e fana ka motlakase oa phepelo o bolokoa ho fihlela motlakase o ho pin 1 le pin 2 ea dual-time base integrated chip NE556 e lefisoa ho 2/ 3 ea motlakase oa phepelo, chip e kopantsoeng ea nako e 'meli ea NE556 e hlophisoa bocha,' me pin 5 ea chip e kopantsoeng ea nako e habeli NE556 e khutlisoa ka bo eona. boemo bo tlase, 'me lipotoloho tse latelang ha li sebetse, ha ka nako ena, capacitor C4 e lokolloa ho boloka MOSFET Q1 conduction ho fihlela qetellong ea capacitance C4 discharging le intermediate relay K1 coil release, intermediate relay K1 ka tloaelo ho koaloa ho kopana. K 11 e koetsoe, ka nako ena ka phetisetso ea mahareng e koetsoeng K1 eo hangata e koetsoeng K 1-1 e tla ba chip e kopaneng ea nako e 'meli. NE556 1 leoto le maoto a 2 a ho lokolloa ha motlakase, bakeng sa nako e tlang ho ea ho dual time base integrated chip NE556 pin 6 ho fana ka lets'oao le tlase la trigger ho etsa dual time base integrated chip NE556 set to ready.

Sebopeho sa potoloho ea ts'ebeliso ena e bonolo ebile e le buka, ha chip ea nako e 'meli e kopantsoeng NE556 pin 1 le pin 2 e tjhaja ho 2/3 ea motlakase oa phepelo, chip e kopantsoeng ea nako e habeli NE556 e ka hlophisoa bocha, chip e kopaneng ea nako e habeli. NE556 pin 5 e khutlela boemong bo tlaase, e le hore lipotoloho tse latelang li se ke tsa sebetsa, e le hore li khaotse ho tjhaja capacitor C4, 'me ka mor'a moo. ho emisa ho tjhaja capacitor C4 e hlokometsoeng ke MOSFET Q1 conductive, sesebelisoa sena se ka tsoela pele ho bolokaMOSFETQ1 conductive bakeng sa metsotsoana e 3.

E kenyelletsa li-resistors R1-R6, electrolytic capacitor C1-C3, capacitor C4, PNP transistor VD1, diode D1-D2, relay e mahareng K1, comparator voltage, dual time base integrated chip NE556 le MOSFET Q1, pin 6 ea nako e habeli e kopantsoeng. chip NE556 e sebelisoa e le pontšo ea pontšo, 'me ntlha e le' ngoe ea mohanyetsi R1 e hokahane le pin 14 ea "dual time base integrated chip NE556", resistor R2, pin 14 ya dual time base integrated chip NE556 le pin 14 ya dual time base integrated chip NE556, le resistor R2 e hoketswe ho pin 14 ya dual time base integrated chip. NE556. pin 14 ea "dual-time base integrated chip NE556", pheletso e le 'ngoe ea resistor R2, pheletso e le' ngoe ea resistor R4, PNP transistor.

Molao-motheo oa ho sebetsa ke oa mofuta ofe?

Ha A e fana ka lets'oao le tlase la trigger, ebe setsi sa nako e 'meli se kopantsoeng sa chip NE556 sete, sesebelisoa sa nako e habeli se kopantsoeng sa NE556 pin 5 se hlahisoang se phahameng, boemo bo phahameng ho kenella molemong o motle oa comparator ea voltage, karolo e mpe ea karolo ea motlakase. motlakase oa comparator ke resistor R4 le diode D1 ho fana ka motlakase oa litšupiso, lekhetlong lena, motlakase oa comparator o phahameng, boemo bo phahameng ba transistor VD1 conduction, hona joale. e phalla ho tloha ho 'mokelli oa transistor VD1 ho pholletsa le diode D2 ho ea ho capacitor C4 e tjhajang, ka nako ena, ho huloa ha k'ila ea K1 ea mahareng, ho monya li-coil tsa mahareng tsa K1. Hona joale e phallang e tsoang ho 'mokelli oa transistor VD1 e lefisoa ho capacitor C4 ka diode D2,' me ka nako e ts'oanang,MOSFETQ1 e tsamaisa, ka nako ena, khoele ea K1 e bohareng e huloa, 'me puisano e bohareng ea K1 e tloaelehileng-e koetsoeng ka tloaelo K 1-1 e khaotsoe,' me ka mor'a hore k'hamera e bohareng ea K1 e koetsoe ka tloaelo K 1-1 e khaotsoe, matla. phepelo ea motlakase e fanoeng ke mohloli oa motlakase oa DC ho maoto a 1 le 2 a dual timebase integrated chip NE556 e bolokoa ho fihlela When the voltage on pin 1 le pin 2 ea "dual-time base integrated chip NE556" e lefisoa ho 2/3 ea motlakase oa phepelo, chip NE556 ea nako e 'meli e tla hlophisoa bocha,' me pin 5 ea chip e kopantsoeng ea nako e habeli NE556 e ikemela ka bo eona. e khutliselitsoe boemong bo tlase, 'me lipotoloho tse latelang ha li sebetse,' me ka nako ena, capacitor C4 e lokolloa ho boloka MOSFET Q1 conduction. ho fihlela qetellong ea ho tsoa ha capacitor C4, 'me coil ea intermediate relay K1 e lokolloa,' me relay e bohareng ea K1 e tloaelehileng e koetsoeng K 1-1 e khaotsoe. Relay K1 ka tloaelo e koetsoeng puisano K 1-1 koaloa, lekhetlong lena ka koetsoeng mahareng relay K1 ka tloaelo koetsoeng ho kopana K 1-1 e tla ba dual-time base integrated chip NE556 1 maoto le 2 maoto holim'a tokollo ea motlakase, bakeng sa nako e tlang ho The dual-time base integrated chip NE556 pin 6 ho fana ka lets'oao la ho qala ho beha tlase, e le ho etsa litokisetso tsa sete ea nako e 'meli e kopaneng ea chip NE556.