Abstract: A passenger conveyor system and an anti-collision device for step and comb plate. The passenger conveyor system includes a step chain having a plurality of steps, a comb plate and an anti-collision device, the anti-collision device includes an actuating mechanism connected to the comb plate and configured to, when a moving distance of a step adjacent to comb teeth of the comb plate to be engaged in a vertical upward direction of the passenger conveyor system exceeds a preset value, actuate the comb plate to be lifted up from an initial first position to a second position to avoid collision with the step; and a reset mechanism configured to return the comb plate from the second position to the first position after the step travels through the comb plate.

Abstract: A method and device for detecting an elevator safety chain and a computer-readable storage medium for implementing the method. A device for detecting an elevator safety chain, includes: an interface unit coupled with the elevator safety chain and configured to output an operating signal having a first level when the elevator safety chain is in an ON state and an operating signal having a second level when the elevator safety chain is in an OFF state; and a processing unit, including: memory; a microcontroller coupled with the interface unit; and a computer program stored on the memory and running on the microcontroller, the running of the computer program causes: evaluating reliability of the elevator safety chain based on time domain characteristic of the operating signal output by the interface unit.

Abstract: A method for indicating a service status of an elevator, an elevator call-out device, and a computer-readable storage medium. Elevator call-out device includes a call-out button for inputting a request to cause an elevator car to move relative to a landing station where the elevator call-out device is located; a visual sign associated with a direction of movement of the elevator car indicated by the call-out button; a control unit configured to: switch the corresponding visual sign from an off state to a normally lit state upon receiving the request to cause the elevator car to move relative to the landing station where the elevator call-out device is located; switch the visual sign corresponding to the direction of movement of the elevator car after stopping to a flashing state in response to an event that the elevator car stops at the landing station where the elevator call-out device is located.

Abstract: An elevator system (201) includes an elevator car (203), a controller (215), a position reference system (234; 213) configured to provide a position of the elevator car (203) and at least one safety device (230) configured to indicate a potential hazard within the elevator system (201). When the actual position of the elevator car (203) cannot be determined using the position reference system (234), the controller (215) is configured to calculate at least one potential position of the elevator car (203) based on an assumed motion profile (237). The controller is configured to allow the elevator car (203) to move whilst no safety device (230), which corresponds to the at least one potential position of elevator car (203) is triggered and to stop movement of the elevator car (203) when a safety device (230) which corresponds to the at least one potential position of the elevator car is triggered.

Abstract: An illustrative example embodiment of a device includes an elevator passenger interface configured to allow a passenger to place a call for elevator service by indicating at least one of an intended destination and an intended direction. The elevator passenger interface includes at least one sound detector. A processor is configured to determine a number of passengers intending to travel to the intended destination or in the intended direction based on at least an indication from the sound detector regarding voice detection and to associate the determined number of passengers with the call.

Abstract: An illustrative example embodiment of an elevator passenger interface configuration device includes a configuration input that allows an authorized individual to input an indication of a desired functionality of at least one selected elevator passenger interface that is configured to receive audible passenger input. A processor determines at least one operation executable by the elevator passenger interface to provide the desired functionality based on the indication of the desired functionality. Memory associated with the processor at least temporarily stores information regarding the operation. A configuration output is configured to communicate information regarding the operation from the memory to the elevator passenger interface.

Abstract: A method includes determining a load value of a system; and determining a current operating mode of a three-phase motor in the following manner: if the load value is below a first threshold, determining a variable frequency mode as the current operating mode, if the load value is between the first threshold and a second threshold, determining a first operating frequency mode as the current operating mode, and if the load value exceeds the second threshold, determining a second operating frequency mode as the current operating mode, the second threshold is greater than the first threshold, the windings of the three-phase motor are wired in a star wiring method and in a triangular wiring method in the first and second operating frequency modes, respectively.

Abstract: An automatic conveying device, a method for determining the presence of an external object, and an automatic start method. The automatic conveying device includes a first end and a second end opposite to each other; and a middle section between the first end and the second end; the automatic conveying device further including one or more first detection devices arranged on one or both sides of the automatic conveying device, each first detection device has a detection range that is substantially a plane area, and the detection range of each first detection device covers at least a portion of the middle section; and a processor connected to the one or more first detection devices, and configured to determine, based at least partially on signals detected by the one or more first detection devices, whether an external object is present on the automatic conveying device.

Abstract: An assembly and method includes selecting a jacket material for a jacket that encases a plurality of tension members, selecting a protective material for the jacket, and covering only pre-identified portions of the jacket with the protective material.

Abstract: An automatic conveying device and a maintenance method therefor. The automatic conveying device includes a fixed step drive wheel, and a step driven wheel located on a movable bracket; a step chain in transmission connection with the step drive wheel and the step driven wheel; a tensioning device that acts on the movable bracket to maintain the step chain in tension; a sensor device that detects a displacement of the movable bracket; and a processor configured to send a first warning signal when a single-trip displacement of the movable bracket exceeds a first threshold, and to send a second warning signal when a accumulative displacement of the movable bracket exceeds a second threshold.

Abstract: An elevator system includes an elevator car, an elevator controller, and a safety controller, connected to a plurality of safety devices arranged to monitor the elevator system. The safety controller is configured to receive a signal in response to a change of state of any of the safety devices, and to determine a condition of the elevator system in response to the change of state of one or more of the safety devices. If the safety controller renders a determination that the elevator system is in a first condition, the safety controller causes an elevator brake to be deployed, preventing movement of the elevator car. If the safety controller renders a determination that the elevator system is in a second condition, the safety controller allows movement of the elevator car for a predetermined duration or until the elevator car has travelled a predetermined distance.

Abstract: Building systems and methods of performing building maintenance operations are described. The systems include a controller configured to receive requests associated with an elevator system of a building. A database having verification procedures associated with the elevator system is provided and the controller is operable to initiate the verification procedures. A robot is configured in communication with the controller and configured to receive instructions from the controller. The instructions may include a portion of a verification procedure, wherein the robot is configured to perform one or more tasks based on the verification procedure. The robot includes at least one sensor configured to collect sensor data. At least one of the controller and the robot are configured to perform an operation in response to sensor data collected by the robot, with the operation being a determination if the elevator system operation is nominal or if further action is required.

Abstract: A fault detection method and device for elevator power equipment and an elevator system. The method includes acquiring running speed data of an actuator in the elevator power equipment, and using the corresponding running speed data when the elevator is at a first speed and within a preset duration as target data; obtaining time-domain signal data of acceleration by calculation according to the target data, obtaining frequency-domain signal data of acceleration by conversion according to the time-domain signal data; comparing peak frequencies that form waveform peaks in the frequency-domain signal data with characteristic frequencies of the elevator power equipment, and determining the elevator power equipment to be faulty when at least one first frequency is detected in the peak frequencies, wherein the first frequency matches one of the characteristic frequencies and the amplitude thereof exceeds a preset threshold.

Abstract: A method of calling an elevator car for an elevator system including: transmitting, using a first beacon, a first poll wireless signal, the first poll wireless signal having a first poll transmission speed; receiving, using the first beacon, a first response wireless signal from a passenger mobile device in response to the first poll wireless signal, the first response wireless signal having a first response transmission speed; determining a first time of flight between transmission of the first poll wireless signal from the first beacon and receipt of the first response wireless signal at the first beacon; calculating a first distance between the first beacon and the passenger mobile device based on the first time of flight, the first poll transmission speed, and the first response transmission speed; and determining a location of the passenger mobile device based on at least the first distance.

Abstract: An illustrative example embodiment of an elevator system includes a plurality of components respectively configured for at least one function during operation of the elevator system. A plurality of sensors are each associated with at least one of the components. Each sensor senses at least one characteristic of an actual performance of an associated one of the components. A processor is configured to receive respective indications from the sensors regarding the actual performance of the associated components, determine a difference between the actual performance and a desired performance of any of the components based on the respective indications, and determine an adjustment to the operation of the elevator system based upon the determined difference.

Abstract: Elevator system governors include a traction pulley having an engagement surface and a cable wound about the traction pulley that is configured to travel along the cable. An electromechanical locking mechanism is configured to selectively engage with the traction pulley to cause operation of a safety brake of an elevator system. The locking mechanism includes a hub assembly having inner and outer engagement hubs. The inner hub has an actuator connector connectable to a safety linkage and the outer hub has an engagement surface for selectively engaging with the engagement surface of the traction pulley. An actuator is configured to selectively apply force to the outer engagement hub into engagement such that the engagement surface of the outer engagement hub and the engagement surface of the traction pulley are engaged, and to cause rotation of the inner engagement hub.

Abstract: A position detecting device and an elevator system including the same. The position detecting device includes a ruler guide formed with a through groove for receiving and guiding a position ruler of the elevator system, the through groove further has a through opening toward a side surface of the ruler guide; and a limitator is provided at the through opening, the limitator is distributed or extended along a longitudinal direction of the through opening, and the position of the limitator is arranged to correspond to a site of the position ruler without position information.

Abstract: A method and assembly includes pre-tensioning an elevator suspension member to adjust low load elongation of tension members within the elevator suspension member prior to placing the elevator suspension member in operation for an elevator.

Abstract: An elevator sill clearance protection device includes a baffle plate arranged adjacent to an elevator car door sill and configured to be in a first position when an elevator car door is closed, and to be in a second position when the elevator car door is opened so as to at least partially reduce a clearance between the elevator car door sill and a landing door sill; and an actuator arranged in an elevator car and connected to the baffle plate, the actuator configured to actuate the baffle plate from the first position to the second position when the elevator car door is opened, and return the baffle plate to the first position when the elevator car door is closed.

Abstract: An elevator system includes an elevator car configured to travel in a hoistway, the elevator car including an elevator car door; a controller configured to control motion of the elevator car; at least one sensor configured to sense an operating condition of the elevator system; and a sensor interface configured to detect a shutdown state of the elevator system in response to the operating condition.