Automatic control circuit that sails upstream of solar water heater

The utility model discloses an automatic control circuit that sails upstream of solar water heater, including contact K, water inlet solenoid valve DF and the transformer T of the alternating current power supply switch that is connected with alternating current power supply in proper order, still i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MENG GUIFANG, BU SHUPO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model discloses an automatic control circuit that sails upstream of solar water heater, including contact K, water inlet solenoid valve DF and the transformer T of the alternating current power supply switch that is connected with alternating current power supply in proper order, still include NPN type triode Q1, PNP type triode Q2 and stretch into two heart yearn electrodes to the water tank in, the coil DL's of alternating current power supply switch one end with transformer T's output is connected, and the other end is connected with NPN type triode Q1's collecting electrode, PNP type triode Q2's projecting pole, NPN type triode Q1's base is connected with PNP type triode Q2's collecting electrode, the projecting pole is connected with two heart yearn electrode B, PNP type triode Q2's base is connected with two heart yearn electrode A, two heart yearn electrode B with taking a percentage of transformer T is connected. Can realize the automatic sail process to the automatic control water heater, simple structure, convenient to use.