Patent ID: 9226340
Filing Date: 2015-12-29
Classification: B60H,H05B

Abstract:
1. A heating device comprising: a heater having a heating portion which generates heat by energization; a housing which contains the heating portion and forms a passage for a heating medium between the housing and the heating portion; a temperature detection means inserted in the passage to detect temperature of the heating medium and disposed in contact with the heating portion of the heater to detect surface temperature of the heating portion such that temperature inside the housing is detected based on due to heat of the heating medium and the heating portion; and an energization controlling means for turning on and off the energization of the heater depending on the temperature inside the housing detected by the temperature detection means, wherein the energization controlling means turns off energization of the heater to put the heater in an energization standby state if the temperature inside the housing detected by the temperature detection means is equal to or greater than a first specified threshold, the energization controlling means continuously turns off energization of the heater to put the heater in an energization complete stop state if the temperature inside the housing detected in the energization standby state is equal to or greater than a second specified threshold, and the energization controlling means turns on energization of the heater to put the heater in an energization resuming state if the temperature inside the housing detected in the energization standby state is equal to or smaller than a third specified threshold.