AN ARRANGEMENT AND A METHOD FOR PURGING AN ELECTRICAL CONTACT

    公开(公告)号:EP3185268B1

    公开(公告)日:2018-10-10

    申请号:EP15201617.6

    申请日:2015-12-21

    申请人: Kone Corporation

    IPC分类号: H01H1/60 B66B5/00 B66B13/22

    摘要: The present invention relates to an arrangement for purging at least one electrical contact in an elevator safety circuit, comprising at least one electrical contact (110) comprising a first contact point (112) and a second contact point (114) coupled to a control unit (120) in the first contact point (112) and to a load (130) in the second contact point (114), a capacitor (140) coupled between the second contact (114) of the electrical contact (110) and a third voltage, V3, and wherein the control unit (120) is configured to selectively introduce a first voltage, V1, and a second voltage, V2, to the electrical contact (110). The invention also relates to a method for implementing the purging.

    SYSTEM AND METHOD FOR CONTROLLING MULTIPLE ELEVATOR CABS IN AN ELEVATOR SHAFT

    公开(公告)号:EP3356269A1

    公开(公告)日:2018-08-08

    申请号:EP16852515.2

    申请日:2016-09-28

    申请人: Smart Lifts, LLC

    发明人: JACOBS, Justin

    IPC分类号: B66B1/28

    摘要: A system and method for controlling multiple elevator cabs in an elevator shaft of a structure, where at least one elevator shaft having a plurality of zones, each zone representing at least one floor of the structure; at least one zone having at least one sensor; at least two elevator cabs moveable within the shaft, each cab moveable independently of other cabs; and a controller that determines movement of each cab into a zone. A first cab preceding any other cab, designated a leading cab; each cab following the leading cab, designated as a trailing cab; each cab moveable in the same direction of travel to service zones until each cab reaches its designated end zone; wherein the controller only instructs a trailing cab to move into a zone with a sensor, after the sensor in the zone detects a cab that was located in such zone has exited that zone thereby preventing collisions.

    ELEVATOR COMPRISING A ROPE MONITORING ARRANGEMENT TO DETECT DISPLACEMENT OF BELT-SHAPED ROPES

    公开(公告)号:EP3095743B1

    公开(公告)日:2018-07-25

    申请号:EP15168287.9

    申请日:2015-05-20

    申请人: KONE Corporation

    发明人: Helenius, Juha

    IPC分类号: B66B5/00

    摘要: The invention relates to an elevator comprising a first elevator unit (1) vertically movable in a hoistway (H), and a second elevator unit (2) vertically movable in a hoistway (H), at least one of said elevator units (1, 2) being an elevator car; one or more belt-shaped hoisting ropes (3a, 3b, 3c) interconnecting the first elevator unit (1) and the second elevator unit (2); a drive wheel (5) for moving said one or more belt-shaped hoisting ropes (3a, 3b, 3c); wherein each of said one or more belt-shaped hoisting ropes (3a, 3b, 3c) passes around the drive wheel (5) and comprises consecutively a first rope section (a) extending between the drive wheel (5) and the first elevator unit (1), and a second rope section (b) extending between the drive wheel (5) and the second elevator unit (2). The elevator further comprises non-driven cambered diverting wheels (4, 6), each said first rope section (a) being arranged to pass around a first cambered diverting wheel (4), in particular resting against a cambered circumferential surface area (A, B, C) thereof, and each said second rope section (b) being arranged to pass around a second cambered diverting wheel (6), in particular resting against a cambered circumferential surface area (A, B, C) thereof; and a rope monitoring arrangement (20a, 20b, 30a, 30b) configured to monitor displacement of each of said first rope sections (a) in the axial direction of the wheels (4, 5, 6) away from a predefined zone (Za, Zb, Zc), and displacement of each of the second rope sections (b) in the axial direction of the wheels (4, 5, 6) away from a predefined zone (Za, Zb, Zc); the elevator being configured to stop the rotation of the drive wheel (5) when one or more of the first and second rope sections (a, b) is displaced in the axial direction of the wheels (4, 5, 6) away from a predefined zone (Za, Zb, Zc).

    A METHOD FOR CONTROLLING AN ELEVATOR AND AN ELEVATOR

    公开(公告)号:EP3342744A1

    公开(公告)日:2018-07-04

    申请号:EP16207343.1

    申请日:2016-12-29

    申请人: KONE Corporation

    IPC分类号: B66B13/22

    CPC分类号: B66B5/0031 B66B13/22

    摘要: The elevator comprises a car (10) with at least two car doors (12A, 12B), each car door being provided with a door contact (A1, A2), a shaft (20) being provided with corresponding landing doors (22A, 22B), each landing door being provided with a door contact (B1, B2), each landing door opening in synchronism with the corresponding car door, the door contacts forming part of a safety circuit (SC) of the elevator, a car door contact input (IP2) being connected to a middle point in the safety circuit between a series connection of the car door contacts and a series connection of the landing door contacts. A status information of the car door contact input is monitored in order to determine whether the door contacts are operational or not when the car doors are opened and/or closed with a predetermined time delay at a landing (L1, L2).