Heating element control circuit

A power control circuit includes first and second electrical power terminals connected across a source of electrical power. A heating element is connected to the first terminal. A heating element controller is connected in series with the heating element, between the heating element and the second t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jenkins, Anthony, Phillips, Bryan Thomas, Woehler, Justin
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A power control circuit includes first and second electrical power terminals connected across a source of electrical power. A heating element is connected to the first terminal. A heating element controller is connected in series with the heating element, between the heating element and the second terminal. The controller is configured to control a temperature level of the element, and includes a control input configured to receive a range of temperature settings, and an OFF command for the element. The controller includes an ON/OFF switch to disconnect the element from the second terminal, and a temperature level control switch to intermittently connect/disconnect the element to the second terminal. A jumper wire series-connects the ON/OFF switch to the temperature level control switch. The ON/OFF switch, the jumper wire, the temperature level control switch, and the element are electrically connected in series.