A BASKET POSITION REGISTRATION METHOD FOR AN ELEVATOR DEVICE

Abstract

The present disclosure provides a basket position registration method for an elevator device, specifically a basket position detection system (100). The system comprises a redundant sensor array (102) that includes a first detection unit (104) and a second detection unit (106) to detect the position of a basket within an elevator shaft. A failsafe control module (108) communicates with the redundant sensor array and activates a backup detection unit if the first detection unit fails. A data continuity buffer (110) is associated with the failsafe control module to store position data from the second detection unit, ensuring uninterrupted data flow and accurate position tracking.

Specification

Description:Field of the Invention


The present disclosure relates to elevator systems. Particularly, the present disclosure relates to methods and systems for basket position registration within an elevator shaft using redundant sensors and failsafe controls to ensure continuous and accurate detection.
Background
The background description includes information that may be useful in understanding the present invention. It is not an admission that any of the information provided herein is prior art or relevant to the presently claimed invention, or that any publication specifically or implicitly referenced is prior art.
The field of basket position detection systems is well-established, particularly in the context of elevator systems, where the safe and accurate positioning of the basket is crucial for efficient operation. Numerous techniques are known for detecting the position of the basket within an elevator shaft. Many conventional systems rely on single detection units, typically employing mechanical switches, optical sensors, or magnetic sensors to determine the basket's position. Mechanical switches, for example, are often employed to indicate predefined positions within the shaft. However, mechanical switches are prone to wear and tear due to continuous mechanical contact, which may result in eventual failure or inaccuracies in detecting the correct position of the basket. Moreover, mechanical systems may experience delays or failures due to environmental factors such as dust or temperature fluctuations. These systems are, therefore, inadequate for long-term reliability.
Furthermore, optical sensors are widely utilised in basket detection systems due to the relatively higher precision of such sensors. Optical sensors employ light beams that are disrupted when the basket crosses the light path, thereby detecting the position of the basket. However, the accuracy of such sensors can be compromised due to factors such as dirt accumulation on the sensor surface or misalignment of the sensor beam. In particular, environments with high dust or debris may severely affect the proper functioning of optical sensors, leading to a failure in detecting the exact basket position. This compromises the safety and efficiency of the system, especially in critical applications where real-time detection of the basket's position is essential. Optical sensors are also susceptible to failure due to physical damage caused by external factors or improper maintenance.
Another known technique is the use of magnetic sensors that rely on the detection of changes in the magnetic field caused by the movement of the basket within the shaft. Such sensors are frequently used due to their robustness in environments that may not be suitable for optical or mechanical systems. However, magnetic sensors are not immune to drawbacks. Variations in the strength of the magnetic field or interference from other magnetic sources can result in erroneous detection, making the system unreliable. Furthermore, magnetic sensors may degrade over time or require periodic calibration to maintain accuracy, which increases the maintenance costs and operational downtime associated with such systems. Additionally, magnetic sensors are unable to provide redundancy in the event of a sensor failure, leading to a potential risk of undetected basket position errors.
Another significant issue with conventional systems is the lack of redundancy in position detection mechanisms. Most state-of-the-art systems employ only a single detection unit, which is susceptible to failure. In case of sensor failure, there is no backup detection mechanism to ensure continuous monitoring of the basket's position. Such a lack of failsafe mechanisms can result in severe operational hazards, particularly in systems where safety is paramount. For example, the failure of a detection unit in an elevator system can lead to undetected positioning errors, resulting in accidents or equipment damage. Redundant systems, which could provide a backup in case of failure, are generally absent in traditional systems, leading to increased risk during the detection process.
Additionally, many existing systems do not incorporate any mechanism to store data related to basket positioning. This limitation poses challenges during intermittent system failures or data transmission delays. In such scenarios, the lack of a buffer to store position data can result in loss of critical information regarding the basket's location within the shaft. Without such data storage, recovery after a system failure becomes difficult, and the system may need to be recalibrated, leading to unnecessary downtime and decreased operational efficiency. Furthermore, the lack of data storage creates challenges in maintaining a continuous flow of position data, especially in environments where signal interruptions or sensor malfunctions are common.
Moreover, current basket position detection systems are generally designed to detect only certain predefined positions within the elevator shaft, which limits the accuracy and versatility of the system. In high-demand applications, there is a need for more precise and continuous position detection throughout the entire length of the shaft. Existing systems typically rely on predefined stops or trigger points, which do not account for the complete range of movement of the basket. Consequently, such systems may not provide the level of accuracy required for efficient operation, particularly in scenarios where real-time position tracking of the basket is necessary. This is particularly problematic in applications where varying speeds or loads impact the performance of the basket, as the detection mechanism may not adjust accordingly, leading to inaccurate readings or delays in position updates.
In light of the above discussion, there exists an urgent need for solutions that overcome the problems associated with conventional systems and/or techniques for detecting the position of a basket within an elevator shaft.
All references, including publications, patent applications, and patents, cited herein are hereby incorporated by reference to the same extent as if each reference were individually and specifically indicated to be incorporated by reference and were set forth in its entirety herein.
Summary
Various objects, features, and advantages of the disclosed subject matter can be more fully appreciated with reference to the following detailed description of the disclosed subject matter when considered in connection with the following drawings, in which like reference numerals identify like elements.
The present disclosure relates to elevator systems. Particularly, the present disclosure relates to methods and systems for basket position registration within an elevator shaft using redundant sensors and failsafe controls to ensure continuous and accurate detection.
An objective of the present disclosure is to provide a basket position detection system to detect the position of a basket within an elevator shaft, ensure system redundancy in case of sensor failure, and facilitate continuous monitoring of position data. The system of the present disclosure aims to enable accurate detection and reliable data recording to improve operational safety and diagnostics within the elevator system.
In an aspect, the present disclosure provides a basket position detection system comprising a redundant sensor array, which includes a first detection unit and a second detection unit. Said redundant sensor array detects the position of the basket within an elevator shaft. A failsafe control module is disposed in communication with said redundant sensor array, arranged to activate a backup detection unit upon detection of a failure of said first detection unit. Further, a data continuity buffer is associated with said failsafe control module and is configured to store position data from said second detection unit.
The basket position detection system enables enhanced operational reliability by employing a first detection unit comprising an optical sensor to detect the position of the basket based on light reflection within the elevator shaft. Moreover, said second detection unit comprises a magnetic sensor arranged to detect the position of the basket based on changes in a magnetic field. The use of different sensor types provides a higher degree of accuracy and fault tolerance.
Said failsafe control module further comprises a self-diagnostic system to periodically test the functionality of the first detection unit and second detection unit, thus ensuring continuous operational safety. Additionally, the data continuity buffer comprises a time-stamped storage unit for recording position data, thereby enabling accurate tracking of the basket's movement over time. Furthermore, said failsafe control module incorporates an alert system to provide a notification in case of a failure of said first detection unit and subsequent activation of said second detection unit.
Further, said redundant sensor array comprises a third detection unit positioned at the top of the elevator shaft, providing additional redundancy for detecting the basket's position. Such a configuration ensures comprehensive position detection coverage within the elevator shaft. Moreover, said data continuity buffer is arranged to transmit stored position data to a remote monitoring unit, thereby enabling external monitoring and diagnostics.
Additionally, the failsafe control module is provided with a power management unit to allocate power efficiently between the first detection unit and the second detection unit, optimizing energy usage. The failsafe control module also includes a wireless communication interface for transmitting failure data and operational status to a central control system, thereby enabling real-time system monitoring and proactive maintenance measures.

Brief Description of the Drawings


The features and advantages of the present disclosure would be more clearly understood from the following description taken in conjunction with the accompanying drawings in which:
FIG. 1 illustrates a basket position detection system (100), in accordance with the embodiments of the pressent disclosure.
FIG. 2 illustrates sequential diagram of a basket position detection system (100), in accordance with the embodiments of the pressent disclosure.
Detailed Description
The following is a detailed description of exemplary embodiments to illustrate the principles of the invention. The embodiments are provided to illustrate aspects of the invention, but the invention is not limited to any embodiment. The scope of the invention encompasses numerous alternatives, modifications and equivalent; it is limited only by the claims.
In view of the many possible embodiments to which the principles of the present discussion may be applied, it should be recognized that the embodiments described herein with respect to the drawing figures are meant to be illustrative only and should not be taken as limiting the scope of the claims. Therefore, the techniques as described herein contemplate all such embodiments as may come within the scope of the following claims and equivalents thereof.
The detailed description is described with reference to the accompanying figures. In the figures, the left-most digit(s) of a reference number identifies the figure in which the reference number first appears. The use of the same reference numbers in different instances in the description and the figures may indicate similar or identical items.
Pursuant to the "Detailed Description" section herein, whenever an element is explicitly associated with a specific numeral for the first time, such association shall be deemed consistent and applicable throughout the entirety of the "Detailed Description" section, unless otherwise expressly stated or contradicted by the context.
The present disclosure relates to elevator systems. Particularly, the present disclosure relates to methods and systems for basket position registration within an elevator shaft using redundant sensors and failsafe controls to ensure continuous and accurate detection.
Pursuant to the "Detailed Description" section herein, whenever an element is explicitly associated with a specific numeral for the first time, such association shall be deemed consistent and applicable throughout the entirety of the "Detailed Description" section, unless otherwise expressly stated or contradicted by the context.
As used herein, the term "basket position detection system" is used to refer to a system for identifying and determining the position of a basket within an elevator shaft. Said basket position detection system includes components that enable redundancy in position detection, fail-safes for operational continuity, and data storage for monitoring purposes. The system may be applied in various elevator configurations, wherein accurate basket position detection is necessary for ensuring safe and efficient operation. Said system includes a combination of sensors, control elements, and data buffers that work in a coordinated manner to monitor and record the movement of the basket. Additionally, such a system may provide different methods of detecting the basket's position, such as through optical, magnetic, or other types of sensors, thereby providing a backup in case of sensor failure. Further, the system provides means for continuous position monitoring and data storage for diagnostic or analysis purposes, which can enhance safety measures in elevator operations.
As used herein, the term "redundant sensor array" is used to refer to an arrangement of multiple detection units within the basket position detection system. Said redundant sensor array includes a first detection unit and a second detection unit, which are arranged to detect the position of the basket within an elevator shaft. The redundancy provided by said sensor array enables the system to maintain position detection capability if one detection unit experiences failure or malfunction. The first detection unit may operate based on one principle, such as optical detection, while the second detection unit may operate on a different principle, such as magnetic detection, to enhance reliability and ensure continuous operation. The use of different types of sensors enables the system to provide more accurate and fail-safe detection of the basket's position within the elevator shaft.
As used herein, the term "first detection unit" is used to refer to a component of the redundant sensor array within the basket position detection system. Said first detection unit is arranged to detect the position of the basket within an elevator shaft based on a specific detection method, such as optical sensing, wherein light reflection within the shaft is used for position determination. Such a first detection unit is an essential part of the system's position monitoring capabilities and provides the primary means of position detection. The use of said first detection unit facilitates real-time monitoring of the basket's position as it moves within the elevator shaft. Additionally, the first detection unit can work in conjunction with other components of the redundant sensor array to maintain continuous detection.
As used herein, the term "second detection unit" is used to refer to an additional component of the redundant sensor array in the basket position detection system. Said second detection unit operates independently from the first detection unit and may use a different sensing mechanism, such as magnetic detection, to determine the position of the basket within the elevator shaft. The inclusion of the second detection unit provides redundancy, ensuring that the basket position can still be detected if the first detection unit fails. Such redundancy enhances the reliability of the basket position detection system, as the second detection unit serves as a backup detection mechanism.
As used herein, the term "failsafe control" is used to refer to a control mechanism within the basket position detection system that is disposed in communication with the redundant sensor array. Said failsafe control is arranged to monitor the operational status of both the first detection unit and the second detection unit. Upon detection of a failure or malfunction in said first detection unit, said failsafe control activates the second detection unit as a backup. Such control enables seamless transition between detection units, maintaining uninterrupted basket position monitoring. Additionally, the failsafe control may include further functionalities, such as self-diagnostics to periodically check the status of the detection units and alert mechanisms to provide notifications in case of sensor failure.
As used herein, the term "data continuity buffer" is used to refer to a data storage component within the basket position detection system. Said data continuity buffer is associated with the failsafe control and is arranged to store position data obtained from the second detection unit. The data continuity buffer ensures that position data is retained even if a failure occurs in the first detection unit, thereby enabling consistent data logging and monitoring. Such a data continuity buffer may include additional features, such as a time-stamped storage unit for accurate recording of position data over time, and the capability to transmit data to a remote monitoring unit for diagnostics. The buffer enhances the ability to track and analyze the basket's movement within the elevator shaft.
FIG. 1 illustrates a basket position detection system (100), in accordance with the embodiments of the pressent disclosure. In an embodiment, the basket position detection system 100 comprises a redundant sensor array 102, which includes a first detection unit 104 and a second detection unit 106. Said redundant sensor array 102 is arranged to detect a position of a basket within an elevator shaft. The first detection unit 104 and the second detection unit 106 may employ different detection principles to enable reliable position monitoring. For example, the first detection unit 104 may be an optical sensor arranged to detect light reflection within the elevator shaft to determine the basket's position. Alternatively, or in addition, said second detection unit 106 may be a magnetic sensor arranged to detect changes in a magnetic field within the elevator shaft. The redundant nature of the sensor array 102 enables continuous monitoring of the basket's position, as said second detection unit 106 may serve as a backup if the first detection unit 104 experiences any failure or malfunction. The arrangement of the redundant sensor array 102 within the elevator shaft may vary, and said sensor array 102 can be positioned at strategic locations to accurately detect the basket's movement through different shaft sections.
In an embodiment, said basket position detection system 100 further comprises a failsafe control 108, which is in communication with the redundant sensor array 102. Said failsafe control 108 is responsible for monitoring the operational status of said first detection unit 104 and second detection unit 106. Upon detecting a failure in said first detection unit 104, said failsafe control 108 is arranged to activate said second detection unit 106, thereby ensuring uninterrupted position monitoring of the basket within the elevator shaft. In some embodiments, said failsafe control 108 includes a self-diagnostic mechanism that periodically checks the status of said first detection unit 104 and second detection unit 106, facilitating proactive activation of said backup detection unit. Furthermore, said failsafe control 108 may incorporate alert mechanisms to notify relevant personnel or systems upon detection of any operational failure in said first detection unit 104 and activation of said second detection unit 106. Additionally, said failsafe control 108 can manage power distribution between said first detection unit 104 and said second detection unit 106 to optimize energy usage within the system 100.
In an embodiment, said basket position detection system 100 also includes a data continuity buffer 110 associated with said failsafe control 108. Said data continuity buffer 110 is arranged to store position data from said second detection unit 106. In case of a failure in said first detection unit 104, said data continuity buffer 110 enables retention and continuity of position data, which may be essential for tracking the basket's movement and for subsequent analysis. Said data continuity buffer 110 may further comprise a time-stamped storage unit, thereby recording the position data with associated time details, enabling accurate time-based tracking of the basket's position within the elevator shaft. Additionally, said data continuity buffer 110 may be configured to transmit stored position data to a remote monitoring unit for diagnostics or continuous external observation. Such an arrangement allows for centralized data review and potential remote control of elevator operations based on the monitored position of the basket.
In an embodiment, the basket position detection system 100 comprises a first detection unit 104, which includes an optical sensor. Said optical sensor is configured to detect the position of a basket based on light reflection within an elevator shaft. The optical sensor may employ light-emitting elements, such as LEDs or lasers, to emit light beams directed towards the surfaces of the elevator shaft. The reflection of said light beams from the surfaces or the basket is detected by a photodetector or a camera within the optical sensor. The time delay or angle of the reflected light is then processed to determine the basket's position within the shaft. The optical sensor may operate continuously or intermittently to monitor the position as the basket moves vertically within the elevator shaft. In some embodiments, said optical sensor may be positioned at various levels within the elevator shaft to achieve optimal detection accuracy. The optical detection process is non-contact and can provide real-time positional information about the basket's location in the shaft. Said first detection unit 104 may also include a calibration system to adjust the optical sensor's sensitivity and accuracy based on environmental factors like lighting conditions and surface reflectivity of the shaft.
In an embodiment, the basket position detection system 100 includes a second detection unit 106, which comprises a magnetic sensor. Said magnetic sensor is arranged to detect the position of the basket based on changes in a magnetic field within the elevator shaft. The magnetic sensor operates by measuring variations in a localized magnetic field, which may be influenced by a magnetic marker attached to the basket or structural elements within the shaft. As the basket moves within the shaft, the relative position of said magnetic marker changes, causing fluctuations in the magnetic field detected by said magnetic sensor. Such variations are processed to determine the real-time position of the basket. In some embodiments, the magnetic sensor may be a Hall effect sensor, a fluxgate sensor, or any other type capable of detecting magnetic field changes. The magnetic detection approach allows for positional monitoring even in situations where light reflection is insufficient or when environmental conditions affect the optical sensor's performance. Said second detection unit 106 provides an alternative detection mechanism that enhances the overall reliability of the basket position detection system 100.
In an embodiment, the basket position detection system 100 comprises a failsafe control 108 with a self-diagnostic system. Said self-diagnostic system is responsible for periodically testing the functionality of both the first detection unit 104 and the second detection unit 106 to ensure proper operation. Said self-diagnostic system may operate at predetermined intervals or be triggered by specific events within the system 100. During a diagnostic test, said failsafe control 108 may simulate sensor input or analyze sensor output signals to verify that both said first detection unit 104 and said second detection unit 106 are operating within expected parameters. Any anomalies detected in the signal processing, power consumption, or response time may be flagged as potential faults. Said self-diagnostic system allows for early identification of sensor issues, enabling preventive maintenance or timely switching to the backup detection unit. In some embodiments, said self-diagnostic system may include a reporting mechanism that logs the results of each diagnostic check for later analysis. Such a mechanism facilitates consistent performance monitoring and ensures that any malfunctions are quickly identified and rectified.
In an embodiment, the basket position detection system 100 comprises a data continuity buffer 110, which includes a time-stamped storage unit. Said time-stamped storage unit is arranged to record position data obtained from the second detection unit 106 with associated time information. Each entry of position data is marked with a corresponding timestamp, allowing for accurate tracking of the basket's movement over time within the elevator shaft. The timestamp may be based on a real-time clock within the data continuity buffer 110 or synchronized with an external clock source. Said time-stamped storage unit may be implemented using non-volatile memory to preserve data even during power interruptions. The recorded data entries may be periodically updated, overwritten, or transferred to an external storage device, depending on the specific requirements of the system 100. In some embodiments, said time-stamped storage unit may include a data indexing mechanism to facilitate easy retrieval and analysis of historical position data.
In an embodiment, the basket position detection system 100 includes a failsafe control 108 that comprises an alert system to provide notifications when said first detection unit 104 has failed and said second detection unit 106 has been activated. Said alert system may communicate such notifications through visual signals, auditory alarms, or digital messages sent to a central control system or operator. The alert system continuously monitors the operational status of said first detection unit 104 and is triggered when any anomaly or malfunction is detected, prompting the activation of said second detection unit 106 as a backup. Such an alert system may operate in real-time, allowing for immediate notification and quick response to any failure. The notification content may include the nature of the failure, the specific time of occurrence, and the activation status of the second detection unit 106.
In an embodiment, the basket position detection system 100 includes a redundant sensor array 102 with an additional third detection unit positioned at the top of the elevator shaft to provide further redundancy in detecting the position of the basket. Said third detection unit may operate on a similar or different detection principle compared to said first detection unit 104 and said second detection unit 106, such as ultrasonic, infrared, or mechanical detection. The strategic placement of said third detection unit at the top of the elevator shaft allows for accurate detection of the basket when it approaches the upper limit of its travel path. Said third detection unit enhances the system's ability to cover the full range of the basket's movement, providing an additional layer of safety and redundancy in case both the first and second detection units encounter operational issues.
In an embodiment, the basket position detection system 100 includes a data continuity buffer 110 arranged to transmit stored position data to a remote monitoring unit for external monitoring and diagnostics. Said data continuity buffer 110 may include a communication interface, such as a wired connection or wireless transmission module, for transferring said position data to the remote monitoring unit. The transmitted data may include real-time position updates, historical position logs, and diagnostic information related to the operational status of said first detection unit 104 and said second detection unit 106. The ability to transmit position data externally enables centralized monitoring, allows for remote diagnostics, and aids in analyzing the performance of the basket position detection system 100.
In an embodiment, the basket position detection system 100 includes a failsafe control 108 comprising a power management unit designed to allocate power between said first detection unit 104 and said second detection unit 106. Said power management unit controls and regulates the energy supplied to both detection units to optimize energy usage within the system 100. During normal operation, said power management unit may direct power primarily to said first detection unit 104 while keeping said second detection unit 106 in a standby or low-power mode. In the event of failure in said first detection unit 104, said power management unit automatically re-allocates power to activate said second detection unit 106, allowing it to assume the role of primary detection. The power management unit may include sensors or monitoring mechanisms to track power consumption and adjust energy distribution based on the system's operational requirements.
In an embodiment, the basket position detection system 100 comprises a failsafe control 108 with a wireless communication interface arranged to transmit failure data and operational status to a central control system. Said wireless communication interface may operate over various communication standards, such as Bluetooth, Wi-Fi, or cellular networks, allowing for flexible and reliable data transmission. The transmitted data may include real-time updates on the position of the basket, status reports on the functionality of said first detection unit 104 and said second detection unit 106, and any detected faults or anomalies. Said wireless communication interface facilitates efficient communication and remote management of the basket position detection system 100, enabling operators or automated systems to respond promptly to any failures or operational issues.
The disclosed basket position registration method for an elevator device focuses on enhancing the accuracy and reliability of position detection within elevator systems. The basket position detection system (100) incorporates a redundant sensor array (102), which includes both a first detection unit (104) and a second detection unit (106). These detection units work together to continuously monitor the position of the elevator basket as it moves through the shaft. The redundant design ensures that the system remains operational even in the event of sensor failure. If the first detection unit (104) encounters a malfunction or error, the failsafe control module (108) activates the second detection unit (106), allowing the system to seamlessly switch to the backup sensor without disrupting the position tracking process. This automated failsafe mechanism ensures minimal downtime and enhances the overall safety of the elevator system.
To further improve reliability, the system integrates a data continuity buffer (110), which is associated with the failsafe control module (108). The buffer stores position data received from the second detection unit (106), maintaining continuity in position tracking. By storing this data, the buffer ensures that any gaps in data caused by sensor failure are minimized, preserving the integrity of the position registration process. The use of this method is particularly advantageous in high-traffic or high-rise buildings where elevator efficiency and safety are paramount. The ability to reliably register the position of the basket with continuous sensor feedback provides building operators with a robust and efficient means to monitor elevator operation and reduce the risk of system failures. Additionally, the redundant sensors and failsafe controls make the system adaptable to various elevator types, further enhancing its applicability across different building environments.
FIG. 2 illustrates sequential diagram of basket position detection system (100), in accordance with the embodiments of the pressent disclosure. The sequence diagram illustrates the flow of the basket position detection system (100). Initially, the Basket requests position detection from the Redundant Sensor Array (102). The Redundant Sensor Array communicates with the First Detection Unit (104) to detect the basket's position. If the First Detection Unit fails, the system enters an alternative flow where the Redundant Sensor Array detects the position using the Second Detection Unit (106). In this scenario, the Failsafe Control (108) activates the Second Detection Unit as a backup. If the First Detection Unit operates normally, it returns the position data to the Redundant Sensor Array. When the Second Detection Unit is active, it also returns position data to the Redundant Sensor Array. The gathered position data is then sent to the Failsafe Control, which forwards it to the Data Continuity Buffer (110) for storage. Finally, the position data is confirmed to be stored, closing the sequence and ensuring continuous data monitoring of the basket's position within the elevator shaft.
In an embodiment, the basket position detection system 100 comprises a redundant sensor array 102 that includes a first detection unit 104 and a second detection unit 106 to detect the position of a basket within an elevator shaft. Said redundant sensor array 102 improves system reliability by providing continuous position monitoring even when one of said detection units fails. The inclusion of multiple detection units reduces the risk of system downtime and enhances safety within the elevator operation by ensuring uninterrupted positional data. The arrangement of the first and second detection units provides functional redundancy, meaning that if said first detection unit 104 malfunctions, said second detection unit 106 can be activated to continue position detection. The use of a failsafe control 108 to activate the backup detection unit further improves system resilience. Furthermore, a data continuity buffer 110 is incorporated to store position data from said second detection unit 106, enabling the system to maintain a consistent record of the basket's location, which is critical for safety and monitoring purposes.
In an embodiment, said first detection unit 104 comprises an optical sensor that detects the position of the basket within the elevator shaft based on light reflection. Said optical sensor enhances accuracy in position detection by utilizing a light-emitting source, such as an LED or laser, which projects light beams onto the surfaces of the elevator shaft or the basket. Reflected light is captured by a photodetector, allowing the system to calculate the basket's position based on parameters like time delay and angle of reflection. The non-contact nature of said optical sensor allows for precise real-time detection without mechanical wear, reducing maintenance requirements. Furthermore, the optical sensing capability is advantageous in clean environments with reflective surfaces, where light signals are reliably reflected back to the sensor. The use of light reflection as a detection method allows for quick and accurate data acquisition, which contributes to efficient basket movement control within the elevator shaft.
In an embodiment, said second detection unit 106 comprises a magnetic sensor that detects the position of the basket by sensing changes in a magnetic field within the elevator shaft. The magnetic sensor provides a reliable alternative to the optical sensor, especially in environments where dust, light interference, or shaft contamination may affect optical performance. Said magnetic sensor can detect positional shifts by identifying variations in a magnetic marker's field, which can be placed on the basket or an associated structure. Changes in the magnetic field, as detected by said sensor, are used to determine the basket's real-time position. The magnetic sensor may be based on principles like the Hall effect, fluxgate sensing, or magneto-resistance, which are highly responsive to magnetic fluctuations. The use of a magnetic detection approach enhances the overall robustness of position detection within the system, offering additional reliability in diverse operational conditions.
In an embodiment, the failsafe control 108 of the basket position detection system 100 includes a self-diagnostic system that periodically tests the functionality of said first detection unit 104 and said second detection unit 106. Said self-diagnostic system enables early detection of potential sensor faults or malfunctions by actively analyzing the sensor output and comparing it against expected operational parameters. The self-diagnostic system may perform checks at regular intervals or be triggered by specific system events, ensuring that any discrepancies in the sensor data are immediately identified. Such diagnostic capabilities help maintain system reliability and allow for proactive maintenance or switching to a backup detection unit without operational disruption. The self-diagnostic system's capability to autonomously monitor sensor health improves overall safety by preventing undetected sensor failures that could compromise accurate position detection of the basket.
In an embodiment, the data continuity buffer 110 includes a time-stamped storage unit for recording position data of the basket. Said time-stamped storage unit tags each entry of position data with a corresponding timestamp, allowing for the precise correlation of positional changes over time. This facilitates historical data analysis, trend identification, and fault diagnosis by providing a comprehensive record of the basket's movements within the elevator shaft. Such time-stamped data can be used for performance monitoring and verifying compliance with operational guidelines. The time-stamped storage unit may utilize non-volatile memory to prevent data loss during power failures, and may also incorporate indexing for efficient data retrieval. The ability to record position data along with time information allows for detailed tracking of basket activity, which can be critical in safety evaluations and operational assessments.
In an embodiment, the failsafe control 108 further includes an alert system that provides a notification upon failure of said first detection unit 104 and subsequent activation of said second detection unit 106. Said alert system may generate visual, audio, or digital signals to inform operators or control systems about the change in detection status. The notification may include details such as the type of failure detected, the exact time of occurrence, and the operational status of said backup detection unit. Such real-time alerting capabilities enable prompt responses to detection failures and assist in maintaining continuous monitoring of the basket's position. The alert system can be integrated with a control interface or external notification mechanism, ensuring that personnel are immediately aware of any system issues requiring attention.
In an embodiment, said redundant sensor array 102 includes a third detection unit that is positioned at the top of the elevator shaft to provide additional redundancy for detecting the position of the basket. Said third detection unit extends the coverage of the position detection system to the upper sections of the shaft, allowing for improved detection accuracy and reliability when the basket reaches the top end of its travel range. The inclusion of said third detection unit adds another layer of safety, further ensuring that the basket's position is continuously monitored across the entire vertical path of the shaft. The third detection unit may operate using a similar or different detection principle compared to said first and second detection units, providing additional robustness to the detection system.
In an embodiment, the data continuity buffer 110 is arranged to transmit stored position data to a remote monitoring unit for external monitoring and diagnostics. Such transmission capabilities allow for real-time data access by operators or automated systems located remotely from the elevator shaft. The data continuity buffer 110 may employ wired or wireless communication channels to transfer said position data, enabling centralized data collection and analysis. Remote monitoring improves overall system supervision and aids in identifying operational trends, faults, or malfunctions. Furthermore, real-time data transfer supports predictive maintenance strategies and enhances safety protocols by allowing for quick responses to any irregularities in basket movement.
In an embodiment, the failsafe control 108 includes a power management unit that allocates power between said first detection unit 104 and said second detection unit 106 to optimize energy usage. Said power management unit regulates power distribution to minimize consumption while ensuring that either the primary or backup detection unit is adequately powered for position detection. During normal operation, said first detection unit 104 may receive primary power, with said second detection unit 106 in a low-power standby mode. Upon failure of said first detection unit 104, the power management unit dynamically shifts power to activate said second detection unit 106. Such controlled power allocation increases operational efficiency and extends the functional lifespan of the system components.
In an embodiment, the failsafe control 108 comprises a wireless communication interface arranged to transmit failure data and operational status to a central control system. Said wireless communication interface provides an efficient and responsive means for relaying data related to sensor performance, failure events, and position monitoring. The interface may utilize communication standards such as Bluetooth, Wi-Fi, or cellular networks, providing flexibility in data transmission. The transmission of operational data to a centralized system allows for real-time monitoring, remote troubleshooting, and rapid system response to any malfunctions or detection failures within the basket position detection system 100.
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I/We Claims


1. A basket position detection system (100) comprising:
a redundant sensor array (102) including a first detection unit (104) and a second detection unit (106), said redundant sensor array (102) configured to detect a position of a basket within an elevator shaft;
a failsafe control module (108) disposed in communication with said redundant sensor array (102), said failsafe control module (108) arranged to activate a backup detection unit when failure of said first detection unit (104) is detected; and
a data continuity buffer (110) associated with said failsafe control module (108), said data continuity buffer (110) configured to store position data from said second detection unit (106).
2. The basket position detection system (100) of claim 1, wherein said first detection unit (104) comprises an optical sensor configured to detect the position of said basket based on light reflection within the elevator shaft.
3. The basket position detection system (100) of claim 1, wherein said second detection unit (106) comprises a magnetic sensor arranged to detect the position of said basket based on changes in a magnetic field.
4. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) comprises a self-diagnostic system configured to periodically test the functionality of said first detection unit (104) and said second detection unit (106).
5. The basket position detection system (100) of claim 1, wherein said data continuity buffer (110) further comprises a time-stamped storage unit for recording position data.
6. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) further comprises an alert system that provides a notification when said first detection unit (104) has failed and said second detection unit (106) has been activated.
7. The basket position detection system (100) of claim 1, wherein said redundant sensor array (102) comprises a third detection unit positioned at the top of the elevator shaft to provide additional redundancy for detecting the position of said basket.
8. The basket position detection system (100) of claim 1, wherein said data continuity buffer (110) is configured to transmit stored position data to a remote monitoring unit for external monitoring and diagnostics.
9. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) further comprises a power management unit designed to allocate power between the first detection unit (104) and second detection unit (106) to optimize energy usage.
10. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) comprises a wireless communication interface for transmitting failure data and operational status to a central control system.




The present disclosure provides a basket position registration method for an elevator device, specifically a basket position detection system (100). The system comprises a redundant sensor array (102) that includes a first detection unit (104) and a second detection unit (106) to detect the position of a basket within an elevator shaft. A failsafe control module (108) communicates with the redundant sensor array and activates a backup detection unit if the first detection unit fails. A data continuity buffer (110) is associated with the failsafe control module to store position data from the second detection unit, ensuring uninterrupted data flow and accurate position tracking.
, Claims:I/We Claims


1. A basket position detection system (100) comprising:
a redundant sensor array (102) including a first detection unit (104) and a second detection unit (106), said redundant sensor array (102) configured to detect a position of a basket within an elevator shaft;
a failsafe control module (108) disposed in communication with said redundant sensor array (102), said failsafe control module (108) arranged to activate a backup detection unit when failure of said first detection unit (104) is detected; and
a data continuity buffer (110) associated with said failsafe control module (108), said data continuity buffer (110) configured to store position data from said second detection unit (106).
2. The basket position detection system (100) of claim 1, wherein said first detection unit (104) comprises an optical sensor configured to detect the position of said basket based on light reflection within the elevator shaft.
3. The basket position detection system (100) of claim 1, wherein said second detection unit (106) comprises a magnetic sensor arranged to detect the position of said basket based on changes in a magnetic field.
4. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) comprises a self-diagnostic system configured to periodically test the functionality of said first detection unit (104) and said second detection unit (106).
5. The basket position detection system (100) of claim 1, wherein said data continuity buffer (110) further comprises a time-stamped storage unit for recording position data.
6. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) further comprises an alert system that provides a notification when said first detection unit (104) has failed and said second detection unit (106) has been activated.
7. The basket position detection system (100) of claim 1, wherein said redundant sensor array (102) comprises a third detection unit positioned at the top of the elevator shaft to provide additional redundancy for detecting the position of said basket.
8. The basket position detection system (100) of claim 1, wherein said data continuity buffer (110) is configured to transmit stored position data to a remote monitoring unit for external monitoring and diagnostics.
9. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) further comprises a power management unit designed to allocate power between the first detection unit (104) and second detection unit (106) to optimize energy usage.
10. The basket position detection system (100) of claim 1, wherein said failsafe control module (108) comprises a wireless communication interface for transmitting failure data and operational status to a central control system.

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