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 |
|---|---|---|---|
| ELEVATOR EMERGENCY PROTECTION CIRCUIT | 2011 |
|
RU2598485C2 |
| SYSTEM AND METHOD OF PREVENTION OF UNAUTHORISED ACCESS TO THE LIFT WELL | 2004 |
|
RU2326800C2 |
| RELAY-CONTACT LIFT PROTECTION SYSTEM (VERSIONS) | 2000 |
|
RU2196095C2 |
| SAFETY CIRCUIT IN LIFT UNIT | 2010 |
|
RU2543476C2 |
| ELEVATOR SYSTEM | 1994 |
|
RU2136573C1 |
| MULTISTORY BUILDING | 1991 |
|
RU2005860C1 |
| DEVICE FOR CONTROLLING MOVEMENT OF LIFT CABIN GROUP IN SINGLE WELL | 2007 |
|
RU2484002C2 |
| SYSTEM FOR CONTROL OVER ACCESS TO ELEVATOR | 2011 |
|
RU2564555C2 |
| LIFTING-AND-TRANSPORTATION MACHINE CONTROL SYSTEM | 1996 |
|
RU2112735C1 |
