FIELD: transport.
SUBSTANCE: invention relates to elevators and aims at increasing safety in servicing. Proposed elevator comprises cabin, stairwell doors, safety circuit, and reset circuit 34. Safety switch reset circuit 34 comprises first reset switch 31 installed inside elevator well and door contact 33. First reset switch 31 and door contact 33 are arranged in series and may be closed to first reset safety switch. Said reset switch 31 may be activated and closed for first preset time interval Δt1 and opened after said time interval Δt1.
EFFECT: higher safety in servicing.
19 cl, 7 dwg
Title | Year | Author | Number |
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ELEVATOR EMERGENCY PROTECTION CIRCUIT | 2011 |
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RU2564555C2 |
Authors
Dates
2013-04-10—Published
2008-12-15—Filed