Elevator maintenance information presentation system

Abstract

The application discloses an elevator maintenance information prompting system, which comprises an elevator operation quality detection unit, an elevator maintenance information decision unit and an information receiving and transmitting unit. The elevator operation quality detection unit is used for evaluating the operation quality of the elevator and outputting an operation quality characteristic index to the elevator maintenance information decision unit. The elevator maintenance information decision unit determines whether to alarm and whether to output warning information to the information receiving and transmitting unit according to the operation quality characteristic index. The information receiving and transmitting unit outputs corresponding elevator maintenance inspection prompting information according to the warning information. The elevator maintenance information prompting system has high compatibility with the use experience of passengers, and can be embedded into the elevator system for long-term use, so that the working quality of the elevator is improved.

Description

Technical Field

[0001] This invention relates to intelligent elevator operation monitoring and maintenance technology, and particularly to an elevator maintenance information prompting system. Background Technology

[0002] While elevators bring convenience, their condition is also closely related to people's safety. Therefore, minimizing elevator malfunctions in daily life is crucial. Elevator malfunctions can be broadly categorized into control system failures and mechanical system failures. Mechanical system failures are less frequent in actual production and daily life, but if they do occur, they can range from minor issues like elevator vibration and noise, significantly impacting passenger comfort, to more serious issues like elevator shutdown or even a fall, posing a significant threat to passenger safety. As a vital component of the elevator's mechanical system and the primary point of contact for passengers to experience the elevator's transport quality, the safety of the elevator car system receives considerable attention. Therefore, monitoring the health of the elevator car system, providing timely warnings of malfunctions, and implementing predictive maintenance measures are of paramount importance.

[0003] Currently, elevator maintenance is primarily based on scheduled maintenance. While this method offers a degree of stability, its shortcomings have become increasingly apparent with the rapid increase in elevator ownership and rising labor costs in recent years. The actual operating conditions and wear levels of elevator equipment are dynamic, necessitating flexible maintenance. When elevator usage is low for a particular period, scheduled maintenance is unnecessary, saving resources and construction time and avoiding unnecessary waste. Drawing inspiration from automotive maintenance models, elevators can also be maintained based on usage patterns, including time and frequency of use. With the widespread adoption of IoT technology, a well-designed elevator monitoring system and comprehensive monitoring solutions can effectively monitor elevator operating status, identify early safety hazards, and enable predictive maintenance.

[0004] To ensure the safe and reliable operation of elevators, real-time monitoring of their status and timely early warning are crucial issues that need to be addressed. Chinese patent application CN202110512819.6 discloses a preventative maintenance monitoring system that uses a comparison module to receive data and compare deviations, triggering an alarm if the deviation is too large. However, this system requires numerous instruments (such as temperature and smoke sensors), resulting in a large system size. Furthermore, it demands significant manual intervention, leading to very high costs, uncertain standards, and insufficient monitoring sensitivity.

[0005] Chinese patent application CN202110651710.0 discloses an elevator maintenance reminder system and method based on deep learning. This system is relatively comprehensive, acquiring abnormal data through an anomaly warning unit, analyzing the data, outputting results, and sending warning information to maintenance personnel. It can also combine with a component lifespan warning unit to calculate the accurate lifespan of components, providing timely data support for maintenance. However, this system requires a large number of terminal data acquisition devices, representing a significant expense for maintenance companies and greatly increasing maintenance costs. Furthermore, the system only provides maintenance reminders for fault warnings and does not consider routine, regular maintenance, potentially leading to frequent maintenance requests within a short period, wasting manpower. Long-term use may also cause resentment among maintenance personnel, reducing the quality of maintenance.

[0006] Passenger comfort is a crucial indicator for elevator maintenance; however, most current elevator maintenance systems do not assess passenger comfort. Chinese patent application CN201910358866.2 discloses a software system for comfort evaluation, which uses experimental data to develop its own standard to assess elevator comfort at a given moment. However, this system is not integrated with existing elevator maintenance or condition monitoring systems; it is only used for real-time manual analysis and cannot be embedded within the elevator system for long-term use. Furthermore, it relies solely on passenger comfort data, resulting in a simplistic evaluation standard, and the formulation of such a standard is open to debate. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to provide an elevator maintenance information prompting system that can combine the user experience with the elevator maintenance or status monitoring system, can be embedded in the elevator system for long-term use, and can improve the working quality of the elevator.

[0008] To solve the above-mentioned technical problems, the elevator maintenance information prompting system provided by the present invention includes an elevator ride quality detection unit, an elevator maintenance information decision-making unit, and an information receiving and transmission unit.

[0009] The elevator ride quality detection unit is used to evaluate the ride quality of the elevator and output ride quality characteristic indicators to the elevator maintenance information decision unit.

[0010] The elevator maintenance information decision unit determines whether to issue an alarm based on the ride quality characteristic indicators sent by the elevator ride quality detection unit, and determines whether to output warning information to the information receiving and transmitting unit.

[0011] The information receiving and transmitting unit outputs corresponding elevator maintenance and inspection prompts based on the warning information sent by the elevator maintenance information decision unit.

[0012] Preferably, the elevator maintenance information prompting system further includes an acceleration sensor and an elevator maintenance information storage unit;

[0013] The elevator maintenance information storage unit communicates with the elevator maintenance information decision unit and is used to store elevator maintenance information and record the time of elevator maintenance.

[0014] The acceleration sensor is installed and fixed on the car to detect and output the car acceleration information to the elevator ride quality monitoring unit.

[0015] The elevator ride quality monitoring unit evaluates the elevator ride quality based on the car acceleration information and outputs ride quality characteristic indicators to the elevator maintenance information decision unit.

[0016] Preferably, the elevator ride quality monitoring unit also evaluates the operating status of the elevator car based on the car acceleration information, and outputs the direction and speed information of the elevator car starting and stopping, as well as the number of elevator runs, to the elevator maintenance information decision unit.

[0017] Preferably, the elevator maintenance information decision unit outputs a warning message to the information receiving and transmitting unit when n passenger quality characteristic indicators meet any one or any combination of two or more of the following conditions;

[0018] Condition 1: n passenger transport quality characteristic indicators P iso One or more of them have a rate of change of more than their respective time change rate set value, where n is a positive integer;

[0019] Condition 2: n passenger transport quality characteristic indicators P iso One or more of them have a rate of change of more than their respective set values ​​for the rate of change of the elevator's number of runs;

[0020] Condition 3: n passenger transport quality characteristic indicators P iso One or more of them deteriorate to the point of exceeding their respective thresholds;

[0021] Condition 4: The i-th passenger transport quality characteristic index P iso The rate of change of i with elevator running time E i The weighting coefficient is α i The i-th passenger transport quality characteristic index P iso The rate of change of i with the number of elevator trips F i The weighting coefficient is β i Condition 4 is satisfied when one of the following sub-conditions is met:

[0022] Subcondition 4.1: Asth is the time-weighted threshold for the rate of change of time.

[0023] Subcondition 4.2: Bsth is the weighted threshold for the rate of change of frequency;

[0024] Subcondition 4.3: STH is the comprehensive weighted threshold.

[0025] Preferably, the four passenger transport quality characteristic indicators are: the maximum value of the peak-to-peak value on the X / Y axis, T. xy (max), X / Y axis A95 index T xy (A95), Z-axis peak-to-peak index T z (max), Z-axis A95 indicator T z (A95);

[0026] Condition 1: Passenger transport quality characteristic index T xy (max), T xy (A95), T z (max), T z (A95) If one or more of the elevator's rate of change with elevator operating time is greater than their respective corresponding time change rate set values, T xy The setpoint for the time change rate E1 corresponding to the (max) rate of change of the elevator running time is T. xy (max) th T xy (A95) The time change rate setting value corresponding to the rate of change of elevator running time E2 is T. xy (A95) th T z The setpoint for the time change rate E3 corresponding to the (max) rate of change of the elevator running time is T. z (max) th T z (A95) The time change rate setting value corresponding to the elevator running time change rate E4 is T. z (A95) th ;

[0027] Condition 2: Passenger transport quality characteristic index T xy (max), T xy (A95), T z (max), T z (A95) One or more of these conditions have a rate of change with the number of elevator runs that is greater than their respective set rate of change; T xy (max) The rate of change of elevator runs with respect to F1 is set to f. xy (max) th T xy (A95) The rate of change of elevator running time F2 corresponds to the set value of the rate of change of the number of times f.xy (A95) th T z (max) The rate of change of elevator operation frequency F3 is set to f. z (max) th T z (A95) The time change rate setting corresponding to the rate of change of elevator operation F4 is f. z (A95) th ;

[0028] Condition 3: Passenger transport quality characteristic index T xy (max), T xy (A95), T z (max), T z (A95) One or more of them deteriorate to the point where they exceed their respective thresholds; T xy The threshold corresponding to (max) is P. xy (max), T xy The threshold corresponding to (A95) is P. xy (A95), T z The threshold corresponding to (max) is P. z (max), T z The threshold corresponding to (A95) is P. z (A95);

[0029] Condition 4: T xy The weighting coefficient for the rate of change of (max) with respect to elevator running time E1 is α1, T xy (A95) The weighting coefficient for the rate of change of elevator running time E2 is α2, T z The weighting coefficient for the rate of change of (max) with respect to elevator running time E3 is α3, T z (A95) The weighting coefficient for the rate of change of elevator running time E4 is α4; T xy The weighting coefficient for the rate of change of (max) with respect to the number of elevator runs, F1, is β1, T. xy (A95) The weighting coefficient for the rate of change of elevator running time F2 is β2, T z The weighting coefficient for the rate of change of (max) with respect to the number of elevator runs, F3, is β3, T. z (A95) The weighting coefficient of the rate of change of F4 with the number of elevator runs is β4;

[0030] Subcondition 4.1: Asth is the time-weighted threshold for the rate of change of time.

[0031] Subcondition 4.2: Bsth is the weighted threshold for the rate of change of frequency;

[0032] Subcondition 4.3: STH is the comprehensive weighted threshold.

[0033] Ideally, if there is a passenger transport quality characteristic index P iso If the duration of the time exceeding the corresponding threshold is greater than the set time, the elevator maintenance information decision unit determines that the elevator is a risk elevator and outputs the risk elevator information to the elevator maintenance information storage unit.

[0034] When the elevator maintenance information storage unit receives risk elevator information sent by the elevator maintenance information decision unit, it records the elevator as being in a risky state.

[0035] If the elevator is in a risky state, the elevator maintenance information decision unit will only output a warning message to the information receiving and transmitting unit and output a risky elevator danger warning message to the information receiving and transmitting unit when condition 1, condition 2, or condition 4 is met.

[0036] The information receiving and transmitting unit outputs a risk elevator hazard warning message.

[0037] Preferably, the elevator ride quality monitoring unit also analyzes and obtains elevator fault directional information based on the car acceleration information and sends it to the elevator maintenance information decision unit.

[0038] The elevator maintenance information decision-making unit outputs warning information to the information receiving and transmitting unit, and at the same time outputs elevator fault directional information to the information receiving and transmitting unit.

[0039] The information receiving and transmitting unit receives the elevator fault directional information and outputs it.

[0040] Preferably, if the time interval between the elevator maintenance time in the most recent elevator maintenance information stored in the elevator maintenance information storage unit and the current time is less than the set minimum elevator maintenance cycle T, the elevator maintenance information decision unit will not output a warning message to the information receiving and transmitting unit; if an alarm is determined, the elevator maintenance time in the most recent elevator maintenance information stored in the elevator maintenance information storage unit will be delayed by the set minimum elevator maintenance cycle T, and a warning message will be output to the information receiving and transmitting unit.

[0041] Preferably, the elevator maintenance information prompting system further includes a timing unit;

[0042] The timing unit is used to calculate and record the elevator's running time and event time points;

[0043] The elevator ride quality detection unit periodically / timely evaluates the elevator ride quality based on the elevator's running time and event time points, outputting n ride quality characteristic indicators P. iso The rate of change of each passenger transport quality characteristic index with elevator running time and the rate of change of each passenger transport quality characteristic index with elevator running times are fed into the elevator maintenance information decision unit.

[0044] Preferably, the information receiving and transmitting unit includes a human-machine interface;

[0045] The information receiving and transmitting unit obtains elevator maintenance information by interacting with external devices or by directly inputting elevator maintenance information through a human-machine interface.

[0046] Preferably, the external device is an elevator system, an elevator maintenance platform, or a mobile terminal.

[0047] The elevator maintenance information prompting system of the present invention monitors and warns of elevator operation based on elevator ride quality (i.e. elevator ride comfort), which has a high degree of consistency with the user experience. The system combines the user experience with the elevator maintenance or status monitoring system, can be embedded in the elevator system for long-term use, and can improve the working quality of the elevator. Attached Figure Description

[0048] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the present invention will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0049] Figure 1 This is a schematic diagram of an embodiment of the elevator maintenance information prompting system of the present invention. Detailed Implementation

[0050] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0051] The terms "first," "second," and similar words used in this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Words such as "including" or "comprising" mean that the element or object preceding the word encompasses the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0052] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0053] Example 1

[0054] like Figure 1 As shown, the elevator maintenance information prompting system includes an elevator ride quality detection unit, an elevator maintenance information decision-making unit, and an information receiving and transmission unit.

[0055] The elevator ride quality detection unit is used to evaluate the ride quality of the elevator and output ride quality characteristic indicators to the elevator maintenance information decision unit.

[0056] The elevator maintenance information decision unit determines whether to issue an alarm based on the ride quality characteristic indicators sent by the elevator ride quality detection unit, and determines whether to output warning information to the information receiving and transmitting unit.

[0057] The information receiving and transmitting unit outputs corresponding elevator maintenance and inspection prompts based on the warning information sent by the elevator maintenance information decision unit.

[0058] The elevator maintenance information prompting system in Example 1 monitors and warns of elevator operation based on elevator ride quality (i.e., elevator ride comfort). This has a high degree of consistency with the user experience. The system combines the user experience with the elevator maintenance or status monitoring system, and can be embedded in the elevator system for long-term use, thereby improving the working quality of the elevator.

[0059] Example 2

[0060] Based on Embodiment 1, the elevator maintenance information prompting system further includes an acceleration sensor and an elevator maintenance information storage unit;

[0061] The elevator maintenance information storage unit communicates with the elevator maintenance information decision unit and is used to store elevator maintenance information and record the time of elevator maintenance.

[0062] The acceleration sensor is installed and fixed on the car to detect and output the car acceleration information to the elevator ride quality monitoring unit.

[0063] The elevator ride quality monitoring unit evaluates the elevator ride quality based on the car acceleration information and outputs ride quality characteristic indicators to the elevator maintenance information decision unit.

[0064] The elevator maintenance information prompting system in Example 2 evaluates the ride quality based on the elevator car's acceleration data, and has the advantage of low system cost.

[0065] Example 3

[0066] Based on the elevator maintenance information prompting system of Embodiment 2, the elevator ride quality monitoring unit also evaluates the operating status of the elevator car based on the car acceleration information, and outputs the direction and speed information of the elevator car starting and stopping, as well as the number of elevator runs, to the elevator maintenance information decision unit.

[0067] Example 4

[0068] Based on the elevator maintenance information prompting system of Embodiment 3, the elevator maintenance information decision unit outputs warning information to the information receiving and transmitting unit when n passenger quality characteristic indicators meet any one or any combination of two or more of the following conditions.

[0069] Condition 1: n passenger transport quality characteristic indicators P iso One or more of them have a rate of change of more than their respective time change rate set value, where n is a positive integer;

[0070] Condition 2: n passenger transport quality characteristic indicators P iso One or more of them have a rate of change of more than their respective set values ​​for the rate of change of the elevator's number of runs;

[0071] Condition 3: n passenger transport quality characteristic indicators P iso One or more of them deteriorate to the point of exceeding their respective thresholds;

[0072] Condition 4: The i-th passenger transport quality characteristic index P iso The rate of change of i with elevator running time E i The weighting coefficient is α i The i-th passenger transport quality characteristic index P iso The rate of change of i with the number of elevator trips F i The weighting coefficient is β i Condition 4 is satisfied when one of the following sub-conditions is met:

[0073] Subcondition 4.1: Asth is the time-weighted threshold for the rate of change of time.

[0074] Subcondition 4.2: Bsth is the weighted threshold for the rate of change of frequency;

[0075] Subcondition 4.3: STH is the comprehensive weighted threshold.

[0076] The threshold for elevator passenger quality can be set with reference to the "TUV Elevator Passenger Quality Standard".

[0077] The elevator maintenance information prompting system in Example 4 uses an elevator ride quality detection unit to monitor the elevator's operating status and analyze potential faults based on acceleration data. It can monitor the elevator's operating status, ride quality, and potential faults, and issue timely maintenance reminders based on the elevator's routine maintenance schedule. It can also arrange targeted maintenance plans, combining routine elevator maintenance with fault diagnosis to reduce unnecessary maintenance frequency and lower elevator maintenance costs.

[0078] Example 5

[0079] Based on the elevator maintenance information prompting system of Embodiment 4, the four passenger transport quality characteristic indicators are: the maximum value of the peak-to-peak value of the X / Y axis, T. xy (max), X / Y axis A95 (according to GB / T24474-2009 "Elevator Passenger Quality Measurement" 3.3, A95: within the defined limit range, the acceleration or vibration value of 95% of the sampled data is less than or equal to the value) index T xy (A95), Z-axis peak-to-peak index T z (max), Z-axis A95 indicator T z (A95);

[0080] Condition 1: Passenger transport quality characteristic index T xy (max), T xy (A95), T z (max), T z (A95) If one or more of the elevator's rate of change with elevator operating time is greater than their respective corresponding time change rate set values, T xy The setpoint for the time change rate E1 corresponding to the (max) rate of change of the elevator running time is T. xy (max) th T xy (A95) The time change rate setting value corresponding to the rate of change of elevator running time E2 is T. xy (A95) th T zThe setpoint for the time change rate E3 corresponding to the (max) rate of change of the elevator running time is T. z (max) th T z (A95) The time change rate setting value corresponding to the elevator running time change rate E4 is T. z (A95) th ;

[0081] Condition 2: Passenger transport quality characteristic index T xy (max), T xy (A95), T z (max), T z (A95) One or more of these conditions have a rate of change with the number of elevator runs that is greater than their respective set rate of change; T xy (max) The rate of change of elevator runs with respect to F1 is set to f. xy (max) th T xy (A95) The rate of change of elevator running time F2 corresponds to the set value of the rate of change of the number of times f. xy (A95) th T z (max) The rate of change of elevator operation frequency F3 is set to f. z (max) th T z (A95) The time change rate setting corresponding to the rate of change of elevator operation F4 is f. z (A95) th ;

[0082] Condition 3: Passenger transport quality characteristic index T xy (max), T xy (A95), T z (max), T z (A95) One or more of them deteriorate to the point where they exceed their respective thresholds; T xy The threshold corresponding to (max) is P. xy (max), T xy The threshold corresponding to (A95) is P. xy (A95), T z The threshold corresponding to (max) is P. z (max), T z The threshold corresponding to (A95) is P. z (A95);

[0083] Condition 4: T xy The weighting coefficient for the rate of change of (max) with respect to elevator running time E1 is α1, Txy (A95) The weighting coefficient for the rate of change of elevator running time E2 is α2, T z The weighting coefficient for the rate of change of (max) with respect to elevator running time E3 is α3, T z (A95) The weighting coefficient for the rate of change of elevator running time E4 is α4; T xy The weighting coefficient for the rate of change of (max) with respect to the number of elevator runs, F1, is β1, T. xy (A95) The weighting coefficient for the rate of change of elevator running time F2 is β2, T z The weighting coefficient for the rate of change of (max) with respect to the number of elevator runs, F3, is β3, T. z (A95) The weighting coefficient of the rate of change of F4 with the number of elevator runs is β4;

[0084] Subcondition 4.1: Asth is the time-weighted threshold for the rate of change of time.

[0085] Subcondition 4.2: Bsth is the weighted threshold for the rate of change of frequency;

[0086] Subcondition 4.3: STH is the comprehensive weighted threshold.

[0087] Example 6

[0088] Based on the elevator maintenance information prompting system of Embodiment 4, if there is a passenger transport quality characteristic index P iso If the duration of the time exceeding the corresponding threshold is greater than the set time, the elevator maintenance information decision unit determines that the elevator is a risk elevator and outputs the risk elevator information to the elevator maintenance information storage unit.

[0089] When the elevator maintenance information storage unit receives risk elevator information sent by the elevator maintenance information decision unit, it records the elevator as being in a risky state.

[0090] If the elevator is in a risky state, the elevator maintenance information decision unit will only output a warning message to the information receiving and transmitting unit and output a risky elevator danger warning message to the information receiving and transmitting unit when condition 1, condition 2, or condition 4 is met.

[0091] The information receiving and transmitting unit outputs a risk elevator hazard warning message.

[0092] The elevator maintenance information prompting system in Example 6 can monitor the status of risky elevators (such as old elevators) that have been in poor condition for a long time.

[0093] Example 7

[0094] Based on the elevator maintenance information prompting system of Embodiment 4, the elevator ride quality monitoring unit also analyzes and obtains elevator fault directional information based on the car acceleration information and sends it to the elevator maintenance information decision unit.

[0095] The elevator maintenance information decision-making unit outputs warning information to the information receiving and transmitting unit, and at the same time outputs elevator fault directional information to the information receiving and transmitting unit.

[0096] The information receiving and transmitting unit receives the elevator fault directional information and outputs it.

[0097] The elevator maintenance information decision-making unit can first diagnose the specific fault location of the elevator based on the corresponding passenger quality characteristic indicators, calculate the numerical range of the passenger quality characteristic indicators, determine the maintenance warning level, make a decision on whether to issue maintenance warning information, and provide the relevant maintenance reminder level.

[0098] The elevator maintenance information prompting system in Example 7 has a clear direction for fault prediction. It can promptly prompt maintenance before serious mechanical failures occur in the elevator to avoid the occurrence of failures. It can predict elevator failures, perform predictive maintenance, and perform maintenance as needed, thereby improving maintenance efficiency and reducing unnecessary repetitive work in maintenance.

[0099] Example 8

[0100] Based on the elevator maintenance information prompting system of Embodiment 2, if the time interval between the elevator maintenance time in the most recent elevator maintenance information stored in the elevator maintenance information storage unit and the current time is less than the set minimum elevator maintenance cycle T, the elevator maintenance information decision unit will not output a warning message to the information receiving and transmitting unit; if an alarm is determined, the elevator maintenance time in the most recent elevator maintenance information stored in the elevator maintenance information storage unit will be delayed by the set minimum elevator maintenance cycle T, and a warning message will be output to the information receiving and transmitting unit.

[0101] In the elevator maintenance information prompting system of Example 8, if the time since the last elevator maintenance is short, the prompting information for elevator maintenance or inspection will be issued with a delay, which can reduce unnecessary maintenance.

[0102] Example 9

[0103] Based on Embodiment 2, the elevator maintenance information prompting system further includes a timing unit;

[0104] The timing unit is used to calculate and record the elevator's running time and event time points;

[0105] The elevator ride quality detection unit periodically / timely evaluates the elevator ride quality based on the elevator's running time and event time points, outputting n ride quality characteristic indicators P. iso The rate of change of each passenger transport quality characteristic index with elevator running time and the rate of change of each passenger transport quality characteristic index with elevator running times are fed into the elevator maintenance information decision unit.

[0106] Example 10

[0107] Based on the elevator maintenance information prompting system of Embodiment 1, the information receiving and transmitting unit includes a human-machine interface;

[0108] The information receiving and transmitting unit obtains elevator maintenance information by interacting with external devices or by directly inputting elevator maintenance information through a human-machine interface.

[0109] Preferably, the external device can be an elevator system, an elevator maintenance platform, or a mobile terminal.

[0110] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An elevator maintenance information prompting system, characterized in that, It includes an elevator ride quality detection unit, an elevator maintenance information decision-making unit, an information receiving and transmitting unit, an acceleration sensor, and an elevator maintenance information storage unit; The elevator maintenance information decision unit determines whether to issue an alarm based on the ride quality characteristic indicators sent by the elevator ride quality detection unit, and determines whether to output warning information to the information receiving and transmitting unit. When the elevator maintenance information decision-making unit meets any one or any combination of two or more of the following conditions, the elevator maintenance information decision-making unit outputs a warning message to the information receiving and transmitting unit. Condition 1: n passenger transport quality characteristic indicators One or more of them have a rate of change of more than their respective time change rate set value, where n is a positive integer; Condition 2: n passenger transport quality characteristic indicators One or more of them have a rate of change of more than their respective set values ​​for the rate of change of the elevator's number of runs; Condition 3: n passenger transport quality characteristic indicators One or more of them deteriorate to the point of exceeding their respective thresholds; Condition 4: The i-th passenger transport quality characteristic index Rate of change with elevator running time The weighting coefficient is The i-th passenger transport quality characteristic index Rate of change with the number of elevator runs The weighting coefficient is Condition 4 is satisfied when one of the following sub-conditions is met: Subcondition 4.1: , A time-weighted threshold for the rate of change; Subcondition 4.2: , Weighted threshold for the rate of change of frequency; Subcondition 4.3: , For comprehensive weighted threshold; The information receiving and transmitting unit outputs corresponding elevator maintenance and inspection prompts based on the warning information sent by the elevator maintenance information decision unit. The elevator maintenance information storage unit communicates with the elevator maintenance information decision unit and is used to store elevator maintenance information and record the time of elevator maintenance. The acceleration sensor is installed and fixed on the car, and is used to detect and output the car acceleration information to the elevator ride quality detection unit. The elevator ride quality detection unit evaluates the elevator ride quality based on the car acceleration information and outputs ride quality characteristic indicators to the elevator maintenance information decision unit. The elevator ride quality detection unit also evaluates the elevator car's operating status based on the car's acceleration information, and outputs the elevator car's start and stop direction and speed information, as well as the number of elevator runs, to the elevator maintenance information decision unit.

2. The elevator maintenance information prompting system according to claim 1, characterized in that, The four passenger transport quality characteristic indicators are: the maximum value of the peak-to-peak value on the X / Y axis. X / Y axis A95 index Z-axis peak-to-peak index Z-axis A95 indicator ; Condition 1: Passenger transport quality characteristic indicators , , , One or more of them have a rate of change of greater than their respective time change rate settings. Rate of change with elevator running time The corresponding time change rate setting value is , Rate of change with elevator running time The corresponding time change rate setting value is , Rate of change with elevator running time The corresponding time change rate setting value is , Rate of change with elevator running time The corresponding time change rate setting value is ; Condition 2: Passenger transport quality characteristic indicators , , , One or more of them have a rate of change of greater than their respective set values ​​for the rate of change of the elevator's number of runs; Rate of change with the number of elevator runs The corresponding rate of change is set to , Rate of change with elevator running time The corresponding rate of change is set to , Rate of change with the number of elevator runs The corresponding rate of change is set to , Rate of change with the number of elevator runs The corresponding time change rate setting value is ; Condition 3: Passenger transport quality characteristic indicators , , , One or more of them deteriorate to the point where they exceed their respective thresholds; The corresponding threshold is , The corresponding threshold is , The corresponding threshold is , The corresponding threshold is ; Condition 4: Rate of change with elevator running time The weighting coefficient is , Rate of change with elevator running time The weighting coefficient is , Rate of change with elevator running time The weighting coefficient is , Rate of change with elevator running time The weighting coefficient is ; Rate of change with the number of elevator runs The weighting coefficient is , Rate of change with elevator running time The weighting coefficient is , Rate of change with the number of elevator runs The weighting coefficient is , Rate of change with the number of elevator runs The weighting coefficient is ; Subcondition 4.1: , A time-weighted threshold for the rate of change; Subcondition 4.2: , Weighted threshold for the rate of change of frequency; Subcondition 4.3: , This is the weighted threshold.

3. The elevator maintenance information prompting system according to claim 1, characterized in that, The elevator ride quality detection unit also analyzes and obtains elevator fault directional information based on the car acceleration information and sends it to the elevator maintenance information decision unit. The elevator maintenance information decision-making unit outputs warning information to the information receiving and transmitting unit, and at the same time outputs elevator fault directional information to the information receiving and transmitting unit. The information receiving and transmitting unit receives the elevator fault directional information and outputs it.

4. The elevator maintenance information prompting system according to claim 1, characterized in that, If the time interval between the elevator maintenance time in the most recent elevator maintenance information stored in the elevator maintenance information storage unit and the current time is less than the set minimum elevator maintenance cycle T, the elevator maintenance information decision unit will not output a warning message to the information receiving and transmitting unit. If an alarm is detected, the elevator maintenance time in the elevator maintenance information of the most recent elevator maintenance stored in the elevator maintenance information storage unit is delayed by the minimum maintenance cycle T of the elevator, and an alarm message is output to the information receiving and transmitting unit.

5. The elevator maintenance information prompting system according to claim 1, characterized in that, The elevator maintenance information prompting system also includes a timing unit; The timing unit is used to calculate and record the elevator's running time and event time points; The elevator ride quality detection unit evaluates the elevator's ride quality periodically / at regular intervals based on the elevator's operating time and event time points, outputting n ride quality characteristic indicators. The rate of change of each passenger transport quality characteristic index with elevator running time and the rate of change of each passenger transport quality characteristic index with elevator running times are fed into the elevator maintenance information decision unit.

6. The elevator maintenance information prompting system according to claim 1, characterized in that, The information receiving and transmitting unit includes a human-machine interface; The information receiving and transmitting unit obtains elevator maintenance information by interacting with external devices or by directly inputting elevator maintenance information through a human-machine interface.

7. The elevator maintenance information prompting system according to claim 6, characterized in that, The external device is an elevator system, an elevator maintenance platform, or a mobile terminal.

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