1162 results about "Elevator system" patented technology

The invention relates to the field of air conditioning unit control, in particular to an industrial park elevator system optimization control system and a method thereof.The hardware part comprises a sensor unit, an executing mechanism, a field control unit, communication equipment and a server unit; the software part comprises a real-time operating system, a sensor data acquisition and fusion preprocessing module, a digital twinborn simulation platform, a model prediction control module and a cloud deep reinforcement learning module; the method comprises the steps of S1, data acquisition and primary processing, S2, data transmission and caching, S3, digital twin modeling and system simulation, S4, optimization control strategy generation and issuing, S5, online scheduling and deep reinforcement learning optimization, S6, safety monitoring and exception handling, and S7, closed-loop feedback and continuous optimization. Efficient integration of elevator modules is achieved through digital twinning and model prediction control cooperation; intelligent data processing is realized through deep reinforcement learning and adaptive data fusion; and safe and energy-saving operation is realized through fault tolerance and safety monitoring.

The invention relates to the technical field of intelligent elevator control, in particular to an intelligent elevator control method and system based on the Internet of Things, and the method comprises the following steps: S1, monitoring human body three-dimensional coordinate data of an elevator waiting area of each floor in real time, and collecting multi-modal sensing data in an elevator car; s2, generating a dynamic people flow distribution thermodynamic diagram of each floor, and constructing a time-space weight matrix; s3, generating an elevator dynamic scheduling strategy; s4, the abnormal state type of the lift car is judged by combining the gas component spectrum and the vibration spectrum; s5, a grading alarm instruction is sent to the central controller through the LoRaWAN protocol; and S6, automatically correcting the opening and closing speed curve of the portal crane. According to the method, efficient operation and safety guarantee of the elevator system in a complex people flow environment are achieved by fusing multi-source sensing, dynamic scheduling and an abnormal response mechanism.

The invention relates to the technical field of elevator energy consumption analysis, and discloses an elevator energy consumption analysis method and system.The elevator energy consumption analysis method comprises the steps that elevator operation data are obtained, anchor point events are detected based on the elevator operation data, time alignment processing is conducted on the elevator operation data, and a synchronous data sequence with a unified time axis is generated; based on the synchronous data sequence, elevator running states are recognized, regeneration running stages are marked, and time segments corresponding to the elevator running states are output; carrying out integral calculation on the active power of the line in a time segment, realizing bottom consumption stripping in combination with a standby power reference, and outputting segment energy consumption through positive and negative power decomposition; and in the regeneration operation stage, feedback energy and braking energy are calculated according to the elevator operation data, feedback efficiency is calculated, and an energy consumption analysis result is output. According to the method, a reliable basis is provided for energy efficiency evaluation, abnormal early warning and operation optimization of the elevator system.

The invention discloses a safe torque cut-off and electronic star sealing device and an elevator system, relates to the technical field of elevators, and is used for realizing STO and electronic star sealing functions. Aiming at the problem that a common contactor-free scheme at present cannot ensure the function safety, the invention provides the safe torque cut-off and electronic star sealing device, and the STO and electronic star sealing functions of an elevator are ensured through a safe torque cut-off module and an electronic star sealing module. Meanwhile, failure detection is carried out on the two newly-added modules through the control module, and a mutual detection mechanism between the control module and the safe torque cut-off module is established. When any one of the three newly added modules fails, the failure can be detected and the STO or electronic star sealing function is triggered. On the basis, all modules used for replacing a traditional contactor to achieve STO and electronic star sealing functions in the device establish failure detection mechanisms, so that the device can meet the requirement of the elevator for the function safety level.

The invention discloses a high-speed elevator operation data rapid transmission method based on the Internet of Things technology. Comprising the steps of collecting basic operation parameters of an elevator, performing feature extraction on original data through edge computing nodes, dynamically dividing data grades based on a real-time speed value of the elevator, dynamically adjusting a compression ratio according to a network quality index, training a Markov decision model based on historical transmission data, and calculating an optimal transmission path combination in real time. And dynamically adjusting the bandwidth allocation proportion among the nodes. The high-speed elevator operation data hierarchical transmission method based on edge calculation, 5G slicing and the block chain technology is suitable for an intelligent elevator system with the speed larger than or equal to 5 m / s, and particularly meets the emergency working condition data transmission requirement in a super high-rise building.

A platform for an elevator system in a building that is under construction, the building having an elevator shaft that becomes taller as the building height increases over the course of the building phase of the building, includes a pneumatically activated seal for sealing a gap between platform and the walls of the elevator shaft. The seal is configured as a circumferential seal attached to the platform. A compressed air source in the form of a compressor is arranged on the platform to operate the pneumatically activated seal.

According to an aspect, there is provided an elevator system comprising an elevator car (100) configured to move in an elevator shaft (200) comprising at least a bottom landing and an elevator pit (216), and an elevator controller (102) configured to move the elevator car (100) into a predetermined service access level in the elevator shaft (200) in response to a received service access call. The elevator car (100) comprises an at least partially openable service access floor (202) to provide access to the elevator pit (216) through the openable service access floor (202). The service access floor (202) in its opened state is configured to provide a refuge space (218) at least partially inside the elevator car (100) for a person in the elevator pit (216) when the elevator car (100) is at the predetermined service access level (212).

The invention discloses an elevator localization interaction method and device, and belongs to elevator system design. The intelligent level and the user privacy protection capability of the elevator interaction system are improved. According to the method, voice signals of a user are collected in real time and are transferred to generate a structured text with a timestamp, confidence and a preliminary keyword; then, intention recognition is conducted on the structured text based on semantic analysis, and whether sensitive information of the elevator is involved or not is judged; for queries involving elevator sensitive information, the system retrieves relevant elevator information through a local knowledge base and generates a localized response, which is played through elevator sound equipment. In the process, the system is automatically disconnected from the Internet, and it is ensured that sensitive information of the elevator is not transmitted through the Internet. And for non-sensitive query, the system is allowed to access the Internet, and real-time data is acquired and returned to the user. The user privacy can be effectively protected, meanwhile, intelligent elevator interaction experience is provided, and the risk of data leakage is avoided.

A method and device for determining a safety risk of an elevator system, and a non-transitory computer-readable storage medium storing a computer program for implementing the method. A method for determining a safety risk of an elevator system includes determining the safety risk by generating a feature vector based at least on operational state data of the elevator system, and subsequently determining a probability of a transport object being trapped in a car of the elevator system using a neural network model. The feature vector and the probability are an input variable and an output variable of the neural network model, respectively, and the feature vector includes components corresponding to combinations selected from a plurality of state values of a first category of features. Further, the state values of the first category of features are determined based on the operational state data.

The invention provides an energy management method and device for an elevator energy supply system. The method is executed by a cloud server and a local controller which work cooperatively. A cloud server obtains historical and real-time operation data of an energy supply system, predicts the available output power of a photovoltaic unit and the comprehensive power demand of an elevator load in a first time period in the future, generates an energy scheduling strategy of the first time period through optimization calculation, and issues the energy scheduling strategy to a local controller; the local controller collects the local real-time operation state of the energy supply system, selects the current execution strategy and controls the energy flow path of each unit so as to supply power to the elevator load or recover the regenerated energy of the elevator load. According to the method, the energy-saving economy can be improved, the two free energy sources including photovoltaic power generation and elevator regeneration energy are preferentially utilized to the maximum extent through cloud collaborative scheduling, the energy storage charging and discharging strategy is optimized to make full use of the commercial power peak-valley price difference, and the overall operation electric charge of an elevator system is remarkably reduced.

The invention relates to the technical field of data processing, and discloses a high-rise building elevator partition intelligent distribution method and system and a storage medium. The method comprises the steps that floor people flow data and elevator calling frequency are collected, and a floor weight incidence matrix is constructed in combination with functional attributes; optimizing the partition boundary through a partition boundary game algorithm; load distribution is monitored, the unbalanced state is recognized, and an elevator-partition distribution matrix is constructed; the unbalanced partition pairs are screened to execute boundary floor transfer operation; and scheme verification is carried out based on the reconstruction cost and the energy-saving income constraint, and an elevator partition intelligent distribution scheme is generated. The technical problems that in the prior art, a static partition strategy cannot adapt to dynamic people flow changes, partition loads are unbalanced, and multi-target comprehensive optimization is lacked are solved. And the energy consumption control level and the load balancing performance of the elevator system are improved.

A mounting bracket for mounting to a hoistway door opening of an elevator system includes a transverse support extending in a first direction and two lateral supports connected to and extending away from the transverse support. The transverse support has a floor fixing portion adapted to be fixed to a horizontal surface of the floor landing at the door opening. Each of the lateral supports has a rail fastening portion that extends parallel to the first direction and includes at least one mounting opening for fastening a guide rail for guiding an elevator car.

To prevent breakage of related equipment by detecting catching of an APS cord tape of an absolute position positioning system for detecting an absolute position in an early stage when vibration is applied to a hoistway by an earthquake.SOLUTION: An elevator system includes an object to be detected in which an upper end and a lower end of a long body are fixed along a moving direction of a car in a hoistway of an elevator and absolute position information is continuously set corresponding to a position in the moving direction, a detection device installed in the car and configured to read the absolute position information from the object to be detected, a strain detector configured to detect a strain amount in an extending direction of the object to be detected, an earthquake sensor configured to sense an earthquake in the hoistway and output an earthquake sensing signal, and a control device configured to determine presence or absence of a stuck abnormality of the object to be detected based on the strain amount when an occurrence of an earthquake is determined based on the earthquake sensing signal.SELECTED DRAWING: Figure 4

The present invention discloses a mechanical energy storage elevator system based on flywheel energy storage, which includes a load-bearing component and a power component for driving the load-bearing component upward or downward; the load-bearing component includes a car and a counterweight; the power component includes a traction rope, a guide wheel, a driving wheel, a gearbox, a motor and a flywheel; the traction rope is wound around the driving wheel and the guide wheel, and the two ends are respectively connected to the car and the counterweight; the motor is connected to the driving wheel through the gearbox, and the power is transmitted to the driving wheel through the gearbox; the flywheel is connected to the driving wheel through the gearbox, and the mechanical energy of the driving wheel is received and stored by the gearbox. By utilizing flywheel energy storage, the present invention can recycle the gravitational potential energy of the elevator when it is empty and when it is fully loaded. It not only solves the fire protection and safety problems caused by the elevator's electrical energy storage, but also avoids the impact of elevator energy feedback and harmonics on the power grid, improves energy utilization efficiency, reduces elevator energy consumption, and thus reduces building energy consumption.

To prevent degradation of service to users by analyzing reading errors of an absolute positioning system that detects absolute positions.SOLUTION: An elevator system includes an APS tape on which absolute position information is continuously set corresponding to the position of the car in the direction of movement within the elevator shaft, an APS sensor installed on the car and equipped with two cameras that read absolute position information corresponding to the car's position, and an information processing device that processes the absolute position information read by the APS sensor. The two cameras are positioned so that the reading positions of the absolute position information are separated by an offset distance in the direction of movement. The information processing device includes a recording processing unit that records error information including the error position when a reading error occurs in each of the two cameras, and a compilation processing unit that compiles compilation data that associates the error position with the number of errors based on the recorded error information.SELECTED DRAWING: Figure 8

A device for controlling an elevator system, the elevator system having an elevator shaft delimited by a shaft wall including a wall opening connecting an inner face of the shaft wall to an outer face of the shaft wall, is positioned in the wall opening. The device has a housing receiving a controller for controlling the elevator system, wherein the housing includes a housing opening allowing access to the controller and the housing is rotatably mounted in the wall opening for rotation between a first position and a second position in an operational state of the device. The housing opening is accessible from the outer face of the shaft wall in the first position and from the inner face of the shaft wall in the second position.

An elevator system (1) to be positioned in a hoistway (2). The elevator system includes an elevator car (3), at least one guide rail (4) for guiding the elevator car when moving up and down in the hoistway, and a security device (5) that is designed and arranged in such way that a safety volume (6) above or below the elevator car inside the hoistway can be set in at least one secured state for safe maintenance operation of a mechanic inside the safety volume. The security device comprises at least one first blocking device (7) attached to the at least one guide rail or configured for being mounted to a wall of the hoistway and at least one second blocking device (8) configured to be mounted on or in the elevator car to cooperate with the first blocking device.

The invention discloses an elevator control method and system, and belongs to elevator system design. And voice interaction with a user and personalized elevator control are realized by utilizing an artificial intelligence technology. The system comprises a voice acquisition and processing module which converts a user instruction into a structured text through voice recognition and ensures personalized service in combination with voiceprint recognition; the language understanding module performs intention recognition and context analysis on the instruction to generate intention and entity information; the personalized control module dynamically adjusts elevator operation parameters according to historical behaviors of a user; the safety verification module ensures that elevator operation meets the safety standard; the feedback and optimization module continuously optimizes an elevator control strategy according to user feedback, and the response speed and accuracy are improved. According to the invention, through intelligent and personalized control and optimization mechanisms, the user experience and safety of the home elevator are improved.

A linkage operating device for an elevator system and an elevator system. The linkage operating device includes an operating portion, configured to be operatively engaged with a base at least in a first position or a second position, the operating portion is in the first position during normal operation of the elevator system, and when the operating portion is operated to disengage from the first position, the detection portion generates a first signal to a stop state; and when the operating portion is operated to be in the second position, the detection portion generates a second signal, and when the detection portion detects that a protective device located at a top of the elevator car is in a working position and defines a car roof protection area, the detection portion generates a third signal to enter a maintenance state.

The invention relates to a method for active dynamic braking of an elevator system (100). The method includes detecting (310) a dynamic braking condition, acquiring (320) speed data representative of a speed of the elevator car (102), and activating (340) an active dynamic braking operation for dynamically braking movement of the elevator car if the acquired speed data indicates (330) that the speed of the elevator car reaches a predetermined monitored speed level. The active dynamic braking operation includes operating a motor inverter of an elevator drive unit of an elevator system by switching a high-voltage side switch and a low-voltage side switch of the motor inverter in a controlled manner such that a rotating field is generated in a stator winding of a traction motor, therefore, the rotation of the traction motor is dynamically braked, and the movement of the elevator car is braked. The invention also relates to an elevator drive unit, an elevator system, a computer program and a computer readable storage medium.

An elevator car (6) for moving in a hoistway (4) between a plurality of landings (8a-8d) includes a floor hatch (22) formed at a bottom of the elevator car (6) and allowing a person to access a space (24) in a portion of the hoistway (4) below the elevator car (6) from inside the elevator car (6). The elevator car (6) further includes at least one movable fixing element (34) that is movable between an elevator car fixing position in which it fixes the position of the elevator car (6) in a hoistway (4) at a predefined position above a bottom of the hoistway (4), and a released position, in which it does not fix the position of the elevator car (6) in the hoistway (4).

The present invention discloses an elevator energy consumption optimization control method, which relates to the technical field of elevator energy consumption optimization, and includes the following steps: During the operation of the elevator, the elevator operation data of the planned stop floors during this operation is obtained in real time, and the obtained elevator operation data is preprocessed to provide a basis for analyzing the usage pattern and operation efficiency of the elevator. Through the intelligent division of near, medium, and long-distance stops, the elevator system realizes refined speed and acceleration adjustment for different operation distances, effectively balances energy consumption and transportation efficiency, reduces the peak power demand and power waste. The near-distance stop reduces the instantaneous current impact and alleviates mechanical wear; the long-distance stop optimizes the acceleration, prevents excessive consumption under high load, and avoids the increase in equipment temperature. Overall, the intelligent control reduces equipment aging and heat dissipation requirements, significantly extends the elevator life, and reduces the long-term maintenance cost.

Systems and methods for hoist elevator system operation are provided. Hoist elevator operation systems and methods operate using a wireless network that may include a plurality of wireless technologies. Hoist elevator operation systems include a floor call station installed on a level or floor of a construction site, as well as a car controller paired to an operator panel and installed in a hoist elevator car. A remote server and a base station may also be provided.

An elevator system (2) includes a hoistway (4) extending between a plurality of landings (8) and an elevator car (6) that is movable in the hoistway (4) between the plurality of landings (8); landing doors (10) provided at the landings (8); and at least one storage cavity (30) provided at at least one of the landings (8) for accommodating a mobile working platform (50), that is configured to be set up in the elevator car (6). The at least one storage cavity (30) is formed in a wall (24) of the hoistway (4) and / or in a landing door frame (26) provided at the respective landing (8).

An elevator system includes: a column that extends vertically along an elevator hoistway and houses guide rails; and a guide shoe for engaging the guide rails, which is temporarily mounted to the column via a fastening device during installation of the elevator system via a traction device to engage the guide rails.

The invention discloses an elevator system which comprises a lifting channel, a lift car, a counterweight, a driving device, a traction rope and a control device, the traction ratio of the traction rope on the lift car side of the elevator system is M, the traction ratio of the traction rope on the counterweight side of the elevator system is N, and M is smaller than N. According to the invention, the application of environment-friendly and energy-saving materials in the elevator can be greatly improved, and the counterweight filler can be basically made of regenerated environment-friendly materials. The national green and low-carbon requirements are met, and the elevator cost is effectively reduced; the problem that protruding beams exist in the top space or the bottom pit of a building is effectively solved, and the civil engineering coping capacity of the elevator is further improved.

A connected energy storage element powers an electrical subsystem of an elevator system. The connected energy storage element includes an energy storage element and a communication element, wherein the connected energy storage element is connected to an external electrical energy feed and to an electrical subsystem of the elevator system. The communication element receives information and / or instructions for controlling whether the electrical subsystem is to be powered by the external electrical energy feed or by the energy storage element or both, and / or for controlling the charging of the energy storage element by the external electrical energy feed. The connected energy storage element is arranged such that an elevator drive of the elevator system is not powerable by the energy storage element.

A method and a monitoring device determine a wear state of components such as a cable-like suspension means, a traction sheave of a drive machine and deflection rollers of a suspension means arrangement of an elevator system. The method comprises at least the following steps: monitoring an actual time curve of a first parameter which correlates with the wear state of at least one first monitored component of the components; comparing the actual time curve of the monitored first parameter with a predetermined expected time curve of the first parameter; and determining the wear state of the monitored component based on a result of the comparison.

Disclosed is an elevator system, having: a car mover for moving an elevator car along a drive track in a hoistway, the car mover having: motor controlled wheels, wherein the car mover is configured to control the motor controlled wheels to move along the drive track; and a parking brake, operationally connected to the car mover and / or elevator car and operationally separate from the motor controlled wheels, wherein the car mover is configured to control the parking brake to move between a deployed state and a retracted state, wherein in the deployed state, the parking brake engages the drive track at a location that is spaced apart from the motor controlled wheels to park the car mover and / or elevator car along the hoistway, and in the retracted state, the parking brake is spaced apart from the drive track.