Heating device, fixing device, and image forming apparatus

A heating device comprising:

• a plurality of resistance heating elements arranged in a longitudinal direction of a base and electrically connected in parallel to each other;
• a power control circuit configured to supply power to the plurality of resistance heating elements;
• a temperature detector configured to detect a temperature of at least one of the plurality of resistance heating elements;
• and
• control circuitry configured to interrupt the power supplied from the power control circuit to the plurality of resistance heating elements when the temperature detector detects predetermined temperature information regarding the at least one resistance heating element.

A heating device comprising:

• a base;
• a plurality of resistance heating elements arranged in a longitudinal direction of the base and electrically connected in parallel to each other;
• a first temperature detector configured to detect a temperature of a first resistance heating element of the plurality of resistance heating elements;
• a second temperature detector configured to detect a temperature of a second resistance heating element of the plurality of resistance heating elements;
• and
• a power interrupter configured to interrupt the power supplied to the plurality of resistance heating elements when the temperature of the second resistance heating element becomes a predetermined temperature or more;
• and
• the power interrupter configured to interrupt power supplied to a resistance heating element different from the second resistance heating element in response to disconnection of the second resistance heating element after a start of power supply to the resistance heating element different from the second resistance heating element.