| 摘要 |
FIELD: domestic electric heating devices supplied for mains and moving during their use, for example fans, irons, folders and so on, possibly with automatic cut-off after motion end. ^ SUBSTANCE: device includes heating unit 1 connected in series with connection electric cord 2, with power supply breaker 3 and with plug 4 for connection with mains. Power supply breaker 3 is connected with pickup 5 detecting change of electric cord position. Pickup 5 and electric cord are mutually combined in the same sheath 6. Breaker 3 includes connected in series one to other circuit 7 for analyzing resistance and detecting resistance change of pickup; OR-gate 8, timer 9, power switch 10. ^ EFFECT: enhanced safety of electric heating device. ^ 3 cl, 2 dwg |
