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, 'me karolo e le' ngoe ea resistor R1 e hokahane 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, Qetello e le 'ngoe ea mohanyetsi 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 le 'ngoe ea resistor R4, emitter ea PNP transistor VD1, drain ea MOSFET Q1, le DC. phepelo ea motlakase, 'me pheletsong e' ngoe ea mohanyetsi R1 e hokahane le phini ea 1 ea mochini o kopantsoeng oa nako e 'meli oa NE556, phini ea 2 ea mochini o kopantsoeng oa 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 pin 3 ea "dual time base integrated chip NE556", pinana ea 4 ea "dual time base integrated chip NE556" e hokahane le palo e ntle ea electrolytic capacitor C2 le pheletsong e 'ngoe ea resistor R2 ka nako e ts'oanang, pola e mpe ea electrolytic capacitor C2 e hokahane 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 ea motlakase 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 sebaka sa phepelo ea matla, le tlhahiso ea motlakase oa comparator o 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 qetellong ea mohanyetsi R6, pheletso ea capacitor C4, le heke ea MOSFET ka nako e ts'oanang, pheletsong e 'ngoe ea mohanyetsi R6, pheletsong e' ngoe ea capacitor C4, le pheletso e 'ngoe ea phepelo ea mahareng ea K1 kaofela li hokahantsoe le naha ea 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 comparator ea voltage ke resistor R4 le diode D1 ho fana ka motlakase oa litšupiso, ka nako ena, motlakase oa comparator o phahameng oa boemo bo phahameng, boemo bo phahameng ho etsa hore Triode VD1 e tsamaee, e phallang hona joale ho tloha ho mokelli oa triode VD1. litefello tsa capacitor C4 ka diode D2, 'me ka nako e ts'oanang, MOSFET Q1 e tsamaisa, ka nako ena, coil ea relay e bohareng ea K1 e kenngoa,' me k'hamera e bohareng ea K1 e tloaelehileng e koetsoeng K 1-1 e hangoa, 'me ka mor'a hore e bohareng. relay K1 eo ka tloaelo e koetsoeng k'homphieutheng ea K 1-1 e khaotsoe, phepelo ea motlakase ea DC ho maoto a 1 le 2 ea sesebelisoa se kopaneng sa nako e 'meli sa NE556 se fana ka motlakase oa phepelo o bolokoa ho fihlela motlakase o ho pin 1 le pin 2 ea tse peli- chip NE556 ea nako e kopantsoeng ea nako e lefisoa ho 2/3 ea motlakase oa phepelo, mochini o kopantsoeng oa nako e 'meli oa NE556 o hlophisoa bocha,' me pin 5 ea chip e kopantsoeng ea nako e habeli NE556 e khutlisetsoa boemong 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 ho qhala le intermediate relay K1 coil lokolloa, intermediate relay K1 ka tloaelo koaletsoana K 11 koaloa, ka nako ena. Nako ka har'a relay e koetsoeng ea K1 eo ka tloaelo e koetsoeng K 1-1 e tla ba nako e 'meli e kopantsoeng chip NE556 1 leoto le maoto a 2 a ho lokolloa ha motlakase, lekhetlong le tlang ho ea ka nako e' meli ea motheo e kopantsoeng ea NE556 pin 6 ho fana ka tlaase. trigger signal 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 li-circuits tse latelang li se ke tsa sebetsa, e le hore li khaotse ho tjhaja capacitor C4, 'me ka mor'a ho emisa ho tjhaja capacitor C4 e hlokometsoeng ke MOSFET Q1 conductive, kopo ena e ka tsoela pele ho boloka.MOSFETQ1 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 resistor R1 e hokahane le pin 14 ea "dual time base integrated chip NE556, resistor R2, pin 14 of the dual time base integrated chip NE556 le pin 14 ea nako e 'meli. base integrated chip NE556, le resistor R2 e hokahane le pin 14 ea dual time base integrated chip NE556. pin 14 ea "dual-time base integrated chip NE556", pheletsong 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, mocheso oa motlakase oa motlakase o phahameng, boemo bo phahameng ba transistor VD1 conduction, phallo ea hona joale ho tloha ho mokelli oa transistor VD1 ka diode D2 ho ea capacitor C4 e tjhajang, ka nako ena, ho huloa ha khola ea relay K1, ho huloa ha khola ea K1 e mahareng. 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 a 2 a dual timebase integrated chip NE556 e bolokoa ho fihlela ha motlakase o le ho pin 1 le pin 2 ea dual-time base integrated chip NE556 e lefisoa ho 2/3 ea motlakase oa phepelo, mochini o kopantsoeng oa nako e 'meli oa NE556 o hlophisoa bocha,' me pini ea 5 ea sesebelisoa se kopantsoeng sa nako e habeli NE556 e khutlisetsoa 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 k'hamera e bohareng ea K1 e tloaelehileng e koetsoeng ea 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.
Nako ea poso: Apr-19-2024
