公开(公告)号：US11014781B2

公开(公告)日：2021-05-25

申请号：US15901028

申请日：2018-02-21

Applicant: Otis Elevator Company

Inventor： Peter Herkel ,  Dirk H. Tegtmeier

IPC: B66B5/00 ,  B66B1/34 ,  B66B3/00 ,  B66B1/28 ,  B66B1/40 ,  B66B5/02 ,  B66B9/00 ,  B66B13/24

Abstract: An elevator safety system comprises: at least one position sensor, which is configured for determining a position value representing the position of the elevator car within the hoistway; at least one door sensor, which is configured for detecting whether the at least one door is closed; a limit setting unit, which is configured for determining an operation status of the elevator car and for setting at least one position limit according to the determined operation status; and a comparison unit, which is configured for comparing the determined position value with the set position limit and for determining an error condition, if the position value is not in compliance with the at least one position limit and the at least one door sensor indicates that at least one door is not closed.

公开(公告)号：US10787341B2

公开(公告)日：2020-09-29

申请号：US15740674

申请日：2015-07-01

Applicant: Otis Elevator Company ,  Peter Herkel

Inventor： Peter Herkel ,  Michael Mann ,  Helmut Lothar Schroeder-Brumloop ,  Pascal Rebillard ,  Igor Kuzmin

IPC: B66B5/00 ,  B66B1/34 ,  B66B9/00

Abstract: Elevator control system, comprising an elevator control device for operating an elevator car which is adapted to be operated within an elevator shaft, and an inspection control station configured to communicate with the elevator control device for operating at least one function of an elevator system in an inspection or maintenance operation mode, and configured for attachment at a storing location, wherein the storing location is at the elevator car or within the elevator shaft or in proximity of the elevator shaft. The inspection control station is adapted to be detachable from the storing location and configured to operate as remote inspection control station when detached from the storing location through wireless communication with the elevator control device, and is configured to be movable and operable in the inspection or maintenance operation mode from inside and outside of the elevator car and within the elevator shaft.

公开(公告)号：US20200031620A1

公开(公告)日：2020-01-30

申请号：US16518173

申请日：2019-07-22

Applicant: Otis Elevator Company

Inventor： Peter Herkel ,  Dirk H. Tegtmeier

IPC: B66B5/00 ,  B66B1/34 ,  B66B5/02 ,  B66B1/28 ,  B66B13/22

Abstract: An elevator safety system (1) configured for monitoring an elevator system (2) comprises at least one safety node (12) and an evaluator (19). The at least one safety node (12) is configured for monitoring at least one component of the elevator system (2) and/or of the elevator safety system (1) and providing signals representing the current status of the at least one monitored component. The evaluator (19) configured for receiving the signals from the at least one safety node (12); and for determining a safety status of the elevator system (2) and/or of the elevator safety system (1) from a combination of the received signals.

公开(公告)号：US20190047818A1

公开(公告)日：2019-02-14

申请号：US15758776

申请日：2015-09-10

Applicant: Otis Elevator Company

Inventor： Peter Herkel ,  Dirk Tegtmeier

IPC: B66B5/00 ,  G01R31/02 ,  B66B13/22 ,  G05B19/042 ,  G01R19/165

Abstract: A ground fault detection apparatus (32) for detecting a ground fault of a safety chain (10b; 10c; 10d), in particular a safety chain (10b; 10c; 10d) of a people conveyor, comprises: a supply line current monitoring unit (26), which is configured for measuring a current flowing into the safety chain (10b; 10c; 10d) and providing a first signal indicative of the amount of current flowing into the safety chain (10b; 10c; 10d); a return line current monitoring unit (28), which is configured for measuring a current flowing out of the safety chain (10b; 10c; 10d) and providing a second signal indicative of the amount of current flowing out of the safety chain (10b; 10c; 10d); and a comparison unit (30), which is configured for comparing the first and second signals and issuing an alarm signal in case the difference between the first and second signals exceeds a predetermined limit.

公开(公告)号：US20180162691A1

公开(公告)日：2018-06-14

申请号：US15831654

申请日：2017-12-05

Applicant: Otis Elevator Company

Inventor： Peter Herkel ,  Dirk H. Tegtmeier

IPC: B66B5/00 ,  B66B5/02 ,  B66B13/22 ,  B66B13/14

CPC classification number: B66B5/0031 ,  B66B5/02 ,  B66B13/143 ,  B66B13/22

Abstract: An elevator safety system comprises a plurality of door safety units (12), wherein each door safety unit (12) is configured to monitor at least one door (10, 11) of an elevator system (2); an elevator control unit (13), which is configured to control the elevator system (2), in particular to control movement of an elevator car (6) of the elevator system (2); a communication bus (14), which is configured for transmitting information between the plurality of door safety units (12) and the elevator control unit (13); and a signal line (16) serially connecting the elevator control unit (13) and the plurality of door safety units (12). Each of the plurality of door safety units (12) is configured to interrupt the signal line (16) when it detects a malfunction.

公开(公告)号：US20170355560A1

公开(公告)日：2017-12-14

申请号：US15528999

申请日：2015-11-23

Applicant: Otis Elevator Company

Inventor： Peter Herkel ,  Frank Kirchhoff

IPC: B66B5/00 ,  B66D5/30 ,  B66B1/34

CPC classification number: B66B5/0037 ,  B66B1/34 ,  B66B5/0031 ,  B66D5/30

Abstract: An elevator brake monitoring system includes a car (12); a machine (18) configured to actuate movement of the car; and a brake (32) configured to decelerate the car; wherein the system is configured to operate the machine to move the car at a pre-determined speed, engage the brake, measure a braking parameter and compare the measured braking parameter to a reference braking parameter.

公开(公告)号：US20170029241A1

公开(公告)日：2017-02-02

申请号：US15104810

申请日：2013-12-19

Applicant: Otis Elevator Company

Inventor： Juergen Gewinner ,  Peter Herkel

IPC: B66B1/30 ,  B66B1/34 ,  G01R19/165 ,  B66B5/00

CPC classification number: B66B1/30 ,  B66B1/28 ,  B66B1/3446 ,  B66B5/0031 ,  B66B5/0087 ,  B66B9/00 ,  G01R19/165

Abstract: A system and method for providing a protective extra low voltage power supply in an elevator system (2) is disclosed. The power supply system (10) may include a switch mode power supply (12) configured to provide an output voltage, a first voltage monitor (18) and a second voltage monitor (20). Each of the first voltage monitor (18) and the second voltage monitor (20) may be configured to receive the output voltage and determine an over-voltage condition at the switch mode power supply (12).

Abstract translation: 公开了一种用于在电梯系统（2）中提供保护性超低电压电源的系统和方法。 电源系统（10）可以包括被配置为提供输出电压的开关模式电源（12），第一电压监视器（18）和第二电压监视器（20）。 第一电压监视器（18）和第二电压监视器（20）中的每一个可以被配置为接收输出电压并且确定开关模式电源（12）处的过电压状态。

公开(公告)号：US20240208775A1

公开(公告)日：2024-06-27

申请号：US18448251

申请日：2023-08-11

Applicant: Otis Elevator Company

Inventor： Peter Herkel

IPC: B66B5/00 ,  B66B1/32 ,  B66B1/34 ,  B66B1/44 ,  B66B5/02 ,  B66B5/04 ,  B66B13/22

CPC classification number: B66B5/0031 ,  B66B1/32 ,  B66B1/3407 ,  B66B1/3461 ,  B66B1/44 ,  B66B5/02 ,  B66B5/024 ,  B66B5/048 ,  B66B13/22

Abstract: A method of verifying configuration parameter changes in an elevator safety system includes detecting (100) a change in one or more of the configuration parameters stored in the memory; putting (102) the elevator system into an out-of-service mode; carrying out (104) a functional test of the elevator safety system to verify an appropriate safety action; and then putting (108) the elevator system back into an in-service mode.

公开(公告)号：US11993481B2

公开(公告)日：2024-05-28

申请号：US16338882

申请日：2017-09-22

Applicant: Otis Elevator Company

Inventor： Peter Herkel ,  Dirk Tegtmeier

IPC: B66B1/34 ,  B66B5/00 ,  G01B3/10 ,  G01P3/00 ,  G01P15/00

CPC classification number: B66B1/3492 ,  B66B5/0018 ,  G01B3/10 ,  G01P3/00 ,  G01P15/00

Abstract: An elevator system (2) comprises a hoistway (4) extending between a plurality of landings (8); the hoistway (4) comprising landing portions (A) and intermediate portions (B), wherein each landing portion (A) extends around a corresponding landing (8) and each intermediate portion (B) is located between two adjacent landing portions (A); an elevator car (6), which is configured for traveling along the hoistway (4); a first position determining system (15), which is configured for determining the current position of the elevator car (6) while it is located within one of the landing portions (A); and a second position determining system (17), which is configured for determining the current position of the elevator car (6) while it is located within one of the intermediate portions (B).

公开(公告)号：US20220332542A1

公开(公告)日：2022-10-20

申请号：US17534991

申请日：2021-11-24

Applicant: Otis Elevator Company

Inventor： Peter Herkel

IPC: B66B5/02 ,  B66B1/30 ,  B66B1/32

Abstract: A safety control device (1) for a people conveyor (101). The safety control device (1) includes a first safety control channel (2) configured to output a first safety control signal in response to one or more input signals (10, 12, 14), a second safety control channel (4) configured to output a second safety control signal in response to one or more input signals (10, 12, 14), and an override control channel (6) configured to: monitor the health of the first and second safety control channels (2, 4), determine whether a fault has occurred in either of the first or second safety control channels (2, 4), and override the first or second safety control signal in response to a determination that a fault has occurred in the corresponding safety control channel (2, 4).