| 摘要 |
FIELD: electricity. ^ SUBSTANCE: fixation device includes induction heating coil, configured to heat fuel element, comprising current-conducting heating element, step-up circuit, configured to increase DC voltage produced by rectification of AC energy, switching element configured to provide DC voltage increased by step-up circuit, and supply of high frequency current to induction heating coil, excitation circuit configured to actuate switching element, unit of temperature detection arranged with the possibility to detect fuel element temperature, and control unit configured to control power sent to induction heating coil, by means of control of step-up ratio of step-up circuit and frequency of switching element excitation by means of actuation circuit so that temperature detected by unit of temperature detection reaches target temperature. ^ EFFECT: reduced losses of switching element. ^ 18 cl, 14 dwg |
