CN110577126B - Intelligent elevator safety management system - Google Patents
Intelligent elevator safety management system Download PDFInfo
- Publication number
- CN110577126B CN110577126B CN201910901292.9A CN201910901292A CN110577126B CN 110577126 B CN110577126 B CN 110577126B CN 201910901292 A CN201910901292 A CN 201910901292A CN 110577126 B CN110577126 B CN 110577126B
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- elevator
- running state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
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- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides an intelligent elevator safety management system, which comprises a data acquisition module, an elevator monitoring center and a user terminal, wherein the data acquisition module is used for acquiring data of an elevator; the data acquisition module is used for completing the real-time acquisition of the elevator running state parameter data and transmitting the elevator running state parameter data to the elevator monitoring center, and the elevator monitoring center is used for analyzing and processing the elevator running state parameter data, evaluating the elevator running state according to the analysis and processing result and sending alarm information to the preset user terminal when the elevator runs abnormally. The invention realizes the real-time monitoring and management of the operation of the elevator, and sends alarm information to the preset user terminal when the operation of the elevator is abnormal, thereby effectively helping maintenance personnel to solve the fault in time.
Description
Technical Field
The invention relates to the technical field of elevator intelligent management systems, in particular to an intelligent elevator safety management system.
Background
Elevator failure is prone to casualty accidents to humans, so it is necessary to monitor and manage the operation conditions of elevators in real time. The existing inspectors can not meet the requirements of elevator fault treatment and regular maintenance, the phenomena of failure of safety parts, missed inspection of the elevator, omission of maintenance and the like occur occasionally, in addition, the existing supervision system is still unsound, the management and maintenance level is also deficient, how to ensure the use safety of the elevator, and the loss is reduced to the maximum extent, so that the problem to be solved urgently is solved.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent elevator safety management system.
The purpose of the invention is realized by adopting the following technical scheme:
an intelligent elevator safety management system comprises a data acquisition module, an elevator monitoring center and a user terminal; the data acquisition module is used for completing the real-time acquisition of the elevator running state parameter data and transmitting the elevator running state parameter data to the elevator monitoring center, and the elevator monitoring center is used for analyzing and processing the elevator running state parameter data, evaluating the elevator running state according to the analysis and processing result and sending alarm information to the preset user terminal when the elevator runs abnormally.
In one implementation, App software for communicating with the elevator monitoring center is built in the user terminal.
In one manner that can be achieved, the elevator monitoring center includes:
the basic information management module is used for realizing elevator basic information data management and user management;
the maintenance information management module is used for a maintenance worker to check elevator data and perform elevator fault management and elevator maintenance management;
the fault monitoring module is used for receiving the elevator running state parameter data sent by the data acquisition module and monitoring the running state and the fault condition of the elevator in real time according to the elevator running state parameter data;
and the fault alarm module is used for sending alarm information to the preset user terminal when the elevator runs abnormally.
In an implementation manner, the fault monitoring module includes a storage unit and a fault analysis unit, the storage unit stores standard elevator running state parameters of each elevator in a fault state, and the fault analysis unit compares the elevator running state parameters with the corresponding standard elevator running state parameters and judges the running state of the elevator according to the comparison result.
In an implementation manner, the data acquisition module comprises sensor nodes distributed at monitoring points of each key part of the elevator, and a sink node for converging parameter data of the running state of the elevator acquired by each sensor node, and the sink node establishes communication connection with the elevator monitoring center.
In one implementation mode, the sensor nodes which are far away from the sink node by more than the communication distance transmit the acquired elevator running state parameter data in a relay mode, wherein the sensor nodes select the sensor nodes which are closest to the sink node from the sensor nodes in the communication range as relay nodes.
The invention has the beneficial effects that: the invention analyzes and processes the collected elevator running state parameter data, evaluates the elevator running state according to the analysis and processing result, sends alarm information to the preset user terminal when the elevator runs abnormally, realizes the real-time monitoring and management of the elevator running, and sends the alarm information to the preset user terminal when the elevator runs abnormally, thereby effectively helping maintenance personnel to solve the fault in time.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a block diagram of an intelligent elevator safety management system according to an exemplary embodiment of the present invention;
fig. 2 is a block diagram of the structure of an elevator monitoring center according to an exemplary embodiment of the present invention.
Reference numerals:
the system comprises a data acquisition module 1, an elevator monitoring center 2, a user terminal 3, a basic information management module 10, a maintenance information management module 20, a fault monitoring module 30 and a fault alarm module 40.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1, the present embodiment provides an intelligent elevator safety management system, which includes a data acquisition module 1, an elevator monitoring center 2, and a user terminal 3; the data acquisition module 1 is used for completing the real-time acquisition of the elevator running state parameter data and transmitting the elevator running state parameter data to the elevator monitoring center 2, and the elevator monitoring center 2 is used for analyzing and processing the elevator running state parameter data, evaluating the elevator running state according to the analysis and processing result, and sending alarm information to the preset user terminal 3 when the elevator runs abnormally.
The invention analyzes and processes the collected elevator running state parameter data, evaluates the elevator running state according to the analysis and processing result, sends alarm information to the preset user terminal 3 when the elevator runs abnormally, realizes the real-time monitoring and management of the elevator running, and sends the alarm information to the preset user terminal 3 when the elevator runs abnormally, thereby effectively helping maintenance personnel to solve the fault in time.
In one possible implementation, the user terminal 3 incorporates App software for communicating with the elevator monitoring center 2.
In one way of realisation, as shown in fig. 2, the elevator monitoring center 2 comprises:
a basic information management module 10, which is used for realizing the management of elevator basic information data and user management;
the maintenance information management module 20 is used for a maintenance worker to check elevator data and perform elevator fault management and elevator maintenance management;
the fault monitoring module 30 is used for receiving the elevator running state parameter data sent by the data acquisition module 1 and monitoring the running state and fault condition of the elevator in real time according to the elevator running state parameter data;
and the fault alarm module 40 is used for sending alarm information to the preset user terminal 3 when the elevator runs abnormally.
The framework of the elevator monitoring center 2 is arranged in the embodiment, and the government supervision department, the property company and the maintenance enterprise can log in the elevator monitoring center 2 in a network mode, so that the elevator safety supervision and management are facilitated.
In an implementation manner, the fault monitoring module 30 includes a storage unit and a fault analysis unit, the storage unit stores standard elevator operation state parameters of each elevator in a fault state, and the fault analysis unit compares the elevator operation state parameters with corresponding standard elevator operation state parameters and judges the operation state of the elevator according to the comparison result.
In one implementation, when the difference between an elevator running state parameter and a corresponding standard elevator running state parameter is less than a corresponding preset difference threshold, marking the elevator running state parameter;
the operation state of the elevator is judged according to the comparison result, and the method comprises the following steps:
the number of marked elevator running state parameters is n, and the failure probability of the elevator is calculated according to the following formula:
wherein P represents the failure probability of the elevator, QaThe degree of importance of the type of parameter to which the a-th marked elevator operating state parameter belongs to the influence of the elevator performance, CaDifference between the marked a-th elevator operating state parameter and the corresponding standard elevator operating state parameter, Ca0Is and CaCorresponding preset difference threshold value, β1、β2The weight coefficient is preset and can influence the elevator fault;
and when the failure probability of the elevator exceeds a preset probability threshold value, judging that the elevator is in a failure state.
Wherein the degree of importance of the influence of the parameter types on the elevator performance can be assessed by an expert.
The embodiment provides a new mechanism for judging whether an elevator is in a fault state, the mechanism innovatively introduces a measuring standard of fault probability, the fault probability is calculated according to the importance degree of the influence of the marked parameter type of the elevator running state parameter on the elevator performance and the proximity degree between the elevator running state parameter and the corresponding standard elevator running state parameter, the method is simple and convenient, and compared with the mode of judging whether the elevator runs abnormally through single data in the prior art, the method has higher precision.
In an implementation manner, the data acquisition module 1 includes sensor nodes distributed at monitoring points of each key part of an elevator, and a sink node for converging parameter data of an elevator running state acquired by each sensor node, and the sink node establishes a communication connection with the elevator monitoring center 2.
According to the elevator running state parameter data acquisition and transmission method, the elevator running state parameter data is acquired and transmitted through the wireless sensor network, wiring is not needed, and manpower and material resources are saved.
In one implementation mode, the sensor nodes which are far away from the sink node by more than the communication distance transmit the acquired elevator running state parameter data in a relay mode, wherein the sensor nodes select the sensor nodes which are closest to the sink node from the sensor nodes in the communication range as relay nodes.
In an implementation mode, a sensor node periodically acquires the number and time information of data packets received by a relay node each time in a latest preset period, wherein the data packets comprise a certain number of elevator running state parameter data;
setting the total times of receiving the data of the sensor node by the relay node in the latest preset period as m, and calculating the trust degree of the relay node by the sensor node according to the number of the data packets and the time information:
where H is the trust level of the relay node, ku+1The number k of data packets received by the relay node for the u +1 th time in the last preset period to the sensor nodeuThe number of data packets received by the relay node for the u-th time in the last preset period is KmaxThe preset data packet quantity difference threshold value is set, t (u +1) is the time when the relay node receives the data packet of the sensor node for the u +1 th time in the latest preset period, t (u) is the time when the relay node receives the data packet of the sensor node for the u th time in the latest preset period, t (m) is the time when the relay node receives the data packet of the sensor node for the m th time in the latest preset period, t (1) is the time when the relay node receives the data packet of the sensor node for the 1 st time in the latest preset period,
to determine the value function, when
When the utility model is in use,
when it is not in condition
α1、α2A weight coefficient which is a preset factor influencing the trust;
and if the trust degree is lower than the preset trust degree threshold value, the sensor node reselects the relay node.
In the embodiment, the relay node is subjected to trust investigation by the quantity and time information of the data packets of the sensor node received by the relay node each time in a preset period, and a calculation formula of the trust degree is correspondingly designed. The calculation formula determines the trust degree of the relay node according to two factors of stability of the number of the data packets received by the relay node and whether the frequency is normal or not. In the embodiment, when the confidence level of the relay node is lower than the preset confidence level threshold value, the sensor node reselects the relay node, so that the reliability of data packet transmission is improved, data loss is avoided, and a good data base is laid for the follow-up intelligent management of the elevator.
In one implementation, the method for the sensor node to reselect the relay node includes:
setting a sensor node which is positioned in a communication range of the sensor node and is closer to the sink node as an alternative node, sending a request to each alternative node when the sensor node reselects a relay node, calculating a self state value of the alternative node receiving the request and feeding back the self state value, and selecting the alternative node with the maximum state value as a new relay node by the sensor node; the calculation formula of the state value is as follows:
in the formula, ΨrIs the state value, y, of the alternative node rrNumber of sensor nodes H for using candidate node r as relay node5The newly calculated trust level for the relay node by the jth sensor node with the alternative node r as the relay node, ErIs the current remaining energy of the alternative node r, E0For a preset energy consumption required for forwarding data for one sensor node,
is a weight coefficient of a preset influence state value.
In this embodiment, a specific mechanism for the sensor node to reselect the relay node is set, where the sensor node is set to select the candidate node with the largest state value as a new relay node, and a calculation formula of the state value is set accordingly. The calculation formula is beneficial to the selected relay node to better undertake the task of forwarding data by evaluating the confidence of each sensor node of the alternative node as the relay node on the alternative node and determining the state value of the energy condition of the alternative node, thereby being beneficial to balancing the energy of each relay node on the whole and prolonging the acquisition period of the elevator running state parameter data.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. An intelligent elevator safety management system is characterized by comprising a data acquisition module, an elevator monitoring center and a user terminal; the data acquisition module is used for completing the real-time acquisition of the elevator running state parameter data and transmitting the elevator running state parameter data to the elevator monitoring center, and the elevator monitoring center is used for analyzing and processing the elevator running state parameter data, evaluating the elevator running state according to the analysis and processing result and sending alarm information to the preset user terminal when the elevator runs abnormally; the data acquisition module comprises sensor nodes distributed at monitoring points of each key part of the elevator and a sink node used for converging elevator running state parameter data acquired by each sensor node, and the sink node is in communication connection with the elevator monitoring center; the method comprises the steps that a sensor node which is far away from a sink node and is larger than a communication distance transmits elevator running state parameter data acquired by the sensor node in a relay mode, wherein the sensor node selects the sensor node which is closest to the sink node from the sensor nodes in a communication range as a relay node; the method comprises the steps that a sensor node periodically obtains the number and time information of data packets, received by a relay node each time in a latest preset period, of the sensor node, wherein the data packets comprise a certain number of elevator running state parameter data;
setting the total times of receiving the data of the sensor node by the relay node in the latest preset period as m, and calculating the trust degree of the relay node by the sensor node according to the number of the data packets and the time information:
where H is the trust level of the relay node, ku+1The number k of data packets received by the relay node for the u +1 th time in the last preset period to the sensor nodeuThe number of data packets received by the relay node for the u-th time in the last preset period is KmaxThe preset data packet quantity difference threshold value is set, t (u +1) is the time when the relay node receives the data packet of the sensor node for the u +1 th time in the latest preset period, t (u) is the time when the relay node receives the data packet of the sensor node for the u th time in the latest preset period, t (m) is the time when the relay node receives the data packet of the sensor node for the m th time in the latest preset period, t (1) is the time when the relay node receives the data packet of the sensor node for the 1 st time in the latest preset period,
to determine the value function, when
When the utility model is in use,
when it is not in condition
α1、α2A weight coefficient which is a preset factor influencing the trust;
and if the trust degree is lower than the preset trust degree threshold value, the sensor node reselects the relay node.
2. The intelligent elevator safety management system according to claim 1, wherein the user terminal is provided with built-in App software for communicating with the elevator monitoring center.
3. The intelligent elevator safety management system according to claim 1, wherein the elevator monitoring center comprises:
the basic information management module is used for realizing elevator basic information data management and user management;
the maintenance information management module is used for a maintenance worker to check elevator data and perform elevator fault management and elevator maintenance management;
the fault monitoring module is used for receiving the elevator running state parameter data sent by the data acquisition module and monitoring the running state and the fault condition of the elevator in real time according to the elevator running state parameter data;
and the fault alarm module is used for sending alarm information to the preset user terminal when the elevator runs abnormally.
4. The intelligent elevator safety management system according to claim 3, wherein the fault monitoring module comprises a storage unit and a fault analysis unit, the storage unit stores standard elevator running state parameters of each elevator in a fault state, the fault analysis unit compares the elevator running state parameters with the corresponding standard elevator running state parameters, and judges the running state of the elevator according to the comparison result.
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| CN201910901292.9A CN110577126B (en) | 2019-09-23 | 2019-09-23 | Intelligent elevator safety management system |
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| CN201910901292.9A CN110577126B (en) | 2019-09-23 | 2019-09-23 | Intelligent elevator safety management system |
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| CN110577126B true CN110577126B (en) | 2020-06-02 |
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| CN203222394U (en) * | 2012-12-05 | 2013-10-02 | 武汉金数字图像信号设备有限公司 | System for monitoring elevator group running |
| CN103763751B (en) * | 2014-01-24 | 2017-05-17 | 广州杰赛科技股份有限公司 | Data transmission method and system of wireless sensor network |
| CN104539731B (en) * | 2015-01-16 | 2017-12-26 | 安徽师范大学 | A kind of trusted service method of diffusion and device based on community network node optimizing |
| CN107200248B (en) * | 2017-05-22 | 2019-06-07 | 安徽奥里奥克科技股份有限公司 | A kind of elevator Internet of Things operation real-time monitoring system based on cloud platform |
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