PROBLEM TO BE SOLVED: To easily decrease the possibilities of heat deterioration of heating wire, window glass, and so on at low costs.SOLUTION: The heater having a camera-heater heating wire for heating a window glass of a vehicle starts electric conduction of the heating wire when a condition for electric conduction permission has been satisfied. After an electric conduction continuation time has passed from the point of electric conduction start during the establishment of the condition for the electric conduction permission, the heater stops electric conduction of the heating wire. When the condition for heat conduction permission is not satisfied, the heater stops heat conduction of the heating wire even before the passage of a heat conduction continuation time. When the conduction for heat conduction is satisfied after this condition is not satisfied, the heater continues the stopped state of heat conduction of the heating wire until a predetermined heat conduction standby time passes from the point in time that the condition for heat conduction is established. At the point in time that the heat conduction standby time passes, the heater starts heat conduction of the heating wire.SELECTED DRAWING: Figure 5
【課題】簡便且つ低コストで、電熱線及びウィンドウガラス等の熱劣化が生じる可能性を低下させる。【解決手段】車両のウィンドウガラスを加熱するカメラヒータ電熱線を備える本加熱装置は、通電許可条件が成立しているときに電熱線への通電を開始し、通電許可条件が成立している間に通電開始時点から通電継続時間が経過した場合、電熱線への通電を停止し、通電許可条件が不成立になったときには通電継続時間の経過前であっても電熱線への通電を停止する。通電許可条件が不成立となった後、通電許可条件が成立した場合、通電許可条件の成立時点から所定の通電待機時間が経過する時点まで電熱線への通電を停止した状態を継続し、通電待機時間の経過時点にて電熱線への通電を開始するように構成されている。【選択図】図5
WINDOW GLASS HEATER
ウィンドウガラス加熱装置
2017-09-07
Patent
Electronic Resource
Japanese
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