MOSFET na-ejide sekit nke na-agụnye resistors R1-R6, electrolytic capacitors C1-C3, capacitor C4, PNP triode VD1, diodes D1-D2, intermediate relay K1, voltaji comparator, a dual time base integrated chip NE556, na MOSFET Q1. na pin No. 6 nke dual time base integrated mgbawa NE556 na-eje ozi dị ka ntinye mgbaàmà, na otu njedebe nke resistor R1 na-ejikọta n'otu oge na Pin 6 nke dual-time base integrated mgbawa NE556 na-eji dị ka mgbaama input, A na-ejikọta otu njedebe nke resistor R1 na pin 14 nke isi ihe eji arụ ọrụ oge abụọ NE556, otu njedebe nke resistor R2, otu njedebe nke resistor R4, emitter nke PNP transistor VD1, igbapu MOSFET Q1, na DC. ike ọkọnọ, na ndị ọzọ ọgwụgwụ nke resistor R1 jikọọ pin 1 nke sọrọ-oge base integrated mgbawa NE556, pin 2 nke dual-time base integrated mgbawa NE556, nti electrolytic capacitance nke capacitor C1, na n'etiti ọsọ agba anọ. K1 na-emechikarị kọntaktị K1-1, njedebe nke ọzọ nke etiti agba agba K1 na-emechi kọntaktị K1-1, ogwe adịghị mma nke electrolytic capacitor C1 na otu njedebe nke capacitor C3 na-ejikọta ya na ala ọkụ ọkụ, njedebe nke ọzọ nke capacitor C3. ejikọrọ na pin 3 nke dual time base integrated mgbawa NE556, na pin 4 nke dual time base integrated mgbawa NE556 ejikọrọ na mma osisi nke electrolytic capacitor C2 na njedebe nke ọzọ nke resistor R2 n'otu oge ahụ, na A na-ejikọta osisi na-adịghị mma nke electrolytic capacitor C2 na ala ọkụ ọkụ, na-ejikọta ogwe aka na-adịghị mma nke electrolytic capacitor C2 na ala ọkụ ọkụ. A na-ejikọta okporo osisi na-adịghị mma nke C2 na ala ọkụ ọkụ, pin 5 nke okpukpu abụọ nke oge agbawa agbawa NE556 jikọtara ya na njedebe nke resistor R3, njedebe nke ọzọ nke resistor R3 na-ejikọta ya na ntinye ntinye nke ọma nke voltaji comparator. , A na-ejikọta ọnụ ọgụgụ na-adịghị mma nke voltaji comparator na pole dị mma nke diode D1 na njedebe nke ọzọ nke resistor R4 n'otu oge ahụ, a na-ejikọta oghere na-adịghị mma nke diode D1 na ala ọkụ ọkụ, na mmepụta nke A na-ejikọta voltaji comparator na njedebe nke resistor R5, njedebe nke ọzọ nke resistor R5 jikọtara na PNP triplex. A na-ejikọta mmepụta nke comparator voltaji na otu njedebe nke resistor R5, njedebe nke ọzọ nke resistor R5 na-ejikọta na isi nke PNP transistor VD1, onye na-anakọta PNP transistor VD1 na-ejikọta ya na pole dị mma nke diode. D2, a na-ejikọta ogwe na-adịghị mma nke diode D2 na njedebe nke resistor R6, njedebe nke capacitor C4, na ọnụ ụzọ MOSFET n'otu oge ahụ, njedebe nke ọzọ nke resistor R6, njedebe nke ọzọ. capacitor C4, na njedebe nke ọzọ nke intermediate relay K1 niile na-ejikọta ya na ala ọkụ ọkụ na njedebe nke ọzọ nke K1 na-ejikọta ya na isi iyi nke isi iyi nkeMOSFET.
MOSFET njigide sekit, mgbe A na-enye mgbama na-akpalite dị ala, n'oge a, isi ihe eji arụ ọrụ agbawa NE556 setịpụrụ, mgbawa oge abụọ jikọtara mgbawa NE556 pin 5 mmepụta ọkwa dị elu, ọkwa dị elu n'ime ntinye akụkụ dị mma nke comparator voltaji, ihe na-adịghị mma. ntinye ntinye nke voltaji comparator site na resistor R4 na diode D1 iji nye voltaji ntụaka, n'oge a, voltaji comparator mmepụta ọkwa dị elu, ọkwa dị elu iji mee ka Triode VD1 na-eduzi, nke ugbu a na-asọ site na onye na-anakọta triode VD1. ebubo capacitor C4 site na diode D2, na n'otu oge ahụ MOSFET Q1 na-eduzi, n'oge a, eriri nke intermediate relay K1 na-etinye obi gị dum, na K1 na-emechi kọntaktị K1 na-emechikarị K1-1, na mgbe etiti etiti gasịrị. Relay K1 na-emechi kọntaktsị K 1-1 kwụsịrị, ike ọkọnọ DC na 1 na 2 ụkwụ nke abụọ-oge base integrated mgbawa NE556 na-enye voltaji ọkọnọ echekwara ruo mgbe voltaji na pin 1 na pin 2 nke dual- A na-akwụ ụgwọ mgbawa oge agbakwunyere NE556 na 2/3 nke voltaji ọkọnọ, a na-edobe mgbawa oge abụọ agbakwunyere mgbawa NE556 na-akpaghị aka, na pin 5 nke isi mgbawa agbakọ NE556 na-eweghachi ozugbo na ọkwa dị ala. sekit ndị na-esote anaghị arụ ọrụ, ebe n'oge a, a na-ahapụ capacitor C4 ka ọ nọgide na-eduzi MOSFET Q1 ruo mgbe njedebe nke ikike C4 na-ebugharị na ntọhapụ relay K1 nke etiti, K1 na-emechi kọntaktị K1 na-emechi emechi, na nke a. oge site na mechiri emechi intermediate ọsọ agba anọ K1 ejikarị emechi kọntaktị K 1-1 ga-abụ dual time base integrated mgbawa NE556 1 ụkwụ na 2 ụkwụ nke voltaji tọhapụ, n'ihi na oge ọzọ ka dual oge isi integrated mgbawa NE556 pin 6 iji nye a ala. mgbama na-akpali akpali ime ka okpukpu abụọ ejikọta mgbawa NE556 ka a ga-akwadebe.
Usoro sekit nke ngwa a dị mfe ma dị ọhụrụ, mgbe okpukpu abụọ nke agbakọ NE556 pin 1 na pin 2 na-ebufe na 2/3 nke voltaji ọkọnọ, enwere ike ịtọgharịa oge abụọ agbakwunyere mgbawa NE556 na-akpaghị aka. NE556 pin 5 na-alaghachi na ọkwa dị ala na-akpaghị aka, ka sekit ndị na-esote anaghị arụ ọrụ, ka ọ kwụsị ịchaji capacitor C4 na-akpaghị aka, na mgbe ịkwụsị chaja nke capacitor C4 nke MOSFET Q1 na-eduzi, ngwa a nwere ike ịnọgide na-aga n'ihu.MOSFETQ1 na-eduzi maka 3 sekọnd.
Ọ na-agụnye resistors R1-R6, electrolytic capacitors C1-C3, capacitor C4, PNP transistor VD1, diodes D1-D2, intermediate ọsọ agba anọ K1, voltaji comparator, dual time base integrated chip NE556 na MOSFET Q1, pin 6 nke okpukpu abụọ oge isi agbakwunyere. A na-eji mgbawa NE556 mee ihe dị ka ntinye mgbaàmà, na otu njedebe nke resistor R1 jikọtara ya na pin 14 nke okpukpu abụọ nke oge mgbawa NE556, resistor R2, pin 14 of the dual time base integrated chip NE556 na pin 14 of the dual time. base integrated mgbawa NE556, na resistor R2 jikọọ pin 14 nke dual time base integrated mgbawa NE556. pin 14 nke ihe mgbawa agbakwunyere oge abụọ NE556, otu njedebe nke resistor R2, otu njedebe resistor R4, PNP transistor
Kedu ụdị ụkpụrụ ọrụ?
Mgbe A na-enye mgbaama na-akpalite dị ala, mgbe ahụ, ntọala agbakọ NE556 nke agbakọ oge abụọ, ntọala agbakọ oge abụọ NE556 pin 5 mmepụta ọkwa dị elu, ọkwa dị elu n'ime ntinye oge dị mma nke comparator voltaji, ntinye na-adịghị mma nke voltaji comparator site resistor R4 na diode D1 iji nye voltaji ntụaka, oge a, voltaji comparator mmepụta elu larịị, elu larịị nke transistor VD1 conduction, nke ugbu a na-aga site na-anakọta nke transistor VD1 site na diode D2 ka. na capacitor C4 chaja, n'oge a, intermediate relay K1 coil suction, intermediate relay K1 coil suction. A na-akwụ ụgwọ ugbu a site na onye na-anakọta transistor VD1 na capacitor C4 site na diode D2, n'otu oge ahụ,MOSFETQ1 na-eduzi, n'oge a, a na-amịpụta eriri nke intermediate relay K1, na etiti relay K1 na-emechi kọntaktsị K 1-1 na-akwụsị, na mgbe nke etiti relay K1 na-emekarị-emechi kọntaktị K1 na-akwụsị. A na-echekwa voltaji ọkọnọ nke isi iyi ike DC na 1 na 2 ụkwụ nke abụọ timebase integrated mgbawa NE556 na-echekwara ruo mgbe voltaji na pin 1 na pin 2 nke dual-time base integrated mgbawa NE556 ka 2/3 nke. na-enye voltaji, dual-oge base integrated mgbawa NE556 na-akpaghị aka tọgharịa, na pin 5 nke sọrọ-oge isi integrated mgbawa NE556 na-akpaghị aka weghachiri eweghachi a ala larịị, na ụdi sekit adịghị arụ ọrụ, na n'oge a, na A na-ahapụ capacitor C4 iji nọgide na-eduzi MOSFET Q1 ruo mgbe njedebe nke mwepu nke capacitor C4, na eriri nke intermediate relay K1 na-ahapụ, na etiti relay K1 na-emechi kọntaktị K 1-1 na-akwụsị. Relay K1 ejikarị emechi kọntaktị K 1-1 emechi, oge a site na mechiri emechi etiti agba anọ K1 na-emechi kọntaktị K 1-1 ga-abụ dual-time base integrated mgbawa NE556 1 ụkwụ na 2 ụkwụ na voltaji ntọhapụ, n'ihi na oge ọzọ ka na dual-time base integrated mgbawa NE556 pin 6 iji nye mgbama na-akpali akpali ịtọ ala, nke mere na-eme nkwadebe maka dual-time base integrated mgbawa NE556 set.
Oge nzipu: Eprel-19-2024
