Fast hot heater
The utility model provides a fast hot heater, including power switching circuit and heating unit, the heating unit includes display element, keying circuit, controller, heating control unit and heating member, and the controller passes through heating control unit control heating member and display...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model provides a fast hot heater, including power switching circuit and heating unit, the heating unit includes display element, keying circuit, controller, heating control unit and heating member, and the controller passes through heating control unit control heating member and display element according to keying circuit's detection information, the heating control unit includes resistance R1, resistance R2, opto -coupler U1 and two -way brilliant valve pipe Q1, the diode anode of opto -coupler U1 input connects power switching circuit, the diode cathode that opto -coupler U1 goesout the incoming end passes through resistance R1 connection director, the collecting electrode of opto -coupler U1 output passes through the T2 utmost point that resistance R2 connects two -way brilliant valve pipe Q1, two -way brilliant valve pipe Q1's gate pole is connected to the projecting pole of opto -coupler U1 output, commercial power and heating member are connected respectively to two-way brilliant valve pipe |
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