CN108483172A - A kind of Intelligent elevator car safety monitoring and evaluation system - Google Patents

A kind of Intelligent elevator car safety monitoring and evaluation system Download PDF

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Publication number
CN108483172A
CN108483172A CN201810168332.9A CN201810168332A CN108483172A CN 108483172 A CN108483172 A CN 108483172A CN 201810168332 A CN201810168332 A CN 201810168332A CN 108483172 A CN108483172 A CN 108483172A
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CN
China
Prior art keywords
car
elevator
data
real
time
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Pending
Application number
CN201810168332.9A
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Chinese (zh)
Inventor
李立
付子豪
王碧杉
黄睿
高懿凝
文治
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Wuhan University WHU
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Wuhan University WHU
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Priority to CN201810168332.9A priority Critical patent/CN108483172A/en
Publication of CN108483172A publication Critical patent/CN108483172A/en
Priority to CN201910152972.5A priority patent/CN109704167A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical

Abstract

The Intelligent elevator car safety monitoring and evaluation system based on sensor and monitoring camera that the invention discloses a kind of, the system comprises:It is installed on the sensor and camera device, data transmission set, big data analysis part and interactive interface of the acquisition front end data on car.The present invention can determine whether the motion state of elevator and whether normal, can be carried out elevator safety performance assessment, can store data into background server and be accessed by interactive interface by intellectual monitoring, assessment algorithm.Classification analysis is carried out to data in Servers-all using data digging method and obtains useful information, elevator running state is analyzed in terms of timeliness and provincialism using big data analysis method.

Description

A kind of Intelligent elevator car safety monitoring and evaluation system
Technical field
The present invention relates to the monitoring running state technologies of extraordinary electromechanical equipment more particularly to a kind of Intelligent elevator car to pacify Full monitoring and evaluation system.
Background technology
For current domestic elevator industry present situation, there are still problems in terms of elevator cab movement status monitoring.I State is since elevator radix is huge, although elevator industry development level grows steadily, closely related elevator reparing and guarantor therewith Foster level is but difficult to keep up with the paces of industry advance, this is the high important original of China's elevator safety accident occurrence frequency Cause.
Problem existing in terms of elevator maintenance at present embodies a concentrated reflection of technology in elevator motion safety testing field, product In three aspects of mechanism.First, country lacks the monitoring technology means and equipment of efficiently and accurately in the monitoring link of elevator, Inspection body not yet establishes and improves remote control network;Elevator manufacturer provide monitoring means it is single, Embedded Monitoring System at This height and versatility is poor, monitoring data authority shortcoming;The monitoring service that maintenance company is provided lacks real-time, detection effect The problems such as rate is relatively low.These are all current elevator safety monitoring field urgent problems to be solved.A collection accuracy of market needs, The needs of product that real-time and versatility are integrated is come in terms of meeting elevator monitoring in real time.
Invention content
The technical problem to be solved in the present invention is for the defects in the prior art, to provide a kind of Intelligent elevator car Safety monitoring and assessment system.
The technical solution adopted by the present invention to solve the technical problems is:It a kind of monitoring of Intelligent elevator car safety and comments Estimate system, including:
Car operating state signal collecting unit, for acquiring car operating state signal, the car operating status letter Number include perceiving the three-dimensional acceleration of lift car by six axis movement sensors and three-dimensional angular velocity and passing through baroceptor Sense the car relatively a certain setting plane of reference or atmospheric pressure value of reference point in hoistway;The three-dimensional acceleration refers to the horizontal plane side X To acceleration, horizontal plane Y-direction acceleration and Z-direction acceleration vertically upward;Three-dimensional angular velocity refers to be rotated around horizontal plane X-direction Angular speed, around horizontal plane Y-direction rotation angular speed and around Z-direction vertically upward rotation angular speed;
Real-time video monitoring unit, for acquiring the real time environment image in lift car;
Data processing unit obtains car real-time running state parameter for handling lift car operating state signal, obtains It obtains lift car real time kinematics state and security evaluation is carried out according to lift car real time kinematics state;
The car real-time running state parameter includes:The real time acceleration of car, real-time angular speed, real-time speed, certain Oscillation Amplitude, the sedan-chair of displacement distance, the real time position relative to a certain fixed reference system, car in z-direction in a period of time The amplitude of fluctuation of compartment in the x and/or y direction;
The real-time running state includes:Whether whether overspeed, elevator accurately put down for elevator real time execution direction, elevator Layer, real-time flat bed number of floor levels, can not flat bed when distance apart from a certain normal flat bed floor position, whether elevator vertically upward Z-direction there is abnormal shake, whether in horizontal plane X and/or Y-direction, there are abnormality vibrations for elevator;
The security evaluation includes:The analysis method being combined using time-domain and frequency-domain, first to three-dimensional acceleration and angle speed Degree carries out time domain threshold decision;Then data are converted to corresponding frequency domain data using wavelet transformation, frequency domain data is carried out Threshold Analysis is simultaneously combined with motion state, can finally obtain elevator motion level of security assessment result in real time;
It is additionally operable to, by ambient image in Computer Vision algorithm process car, obtain lift car internal state;Institute It includes patronage and passenger behavior to state lift car internal state;
Background server big data analysis unit, the elevator cab movement state for receiving and storing data processing unit Data, cab interior status data and elevator safety assessment result, and using data digging method to all clothes of different zones The data of business device carry out classification analysis;
Communication unit, including area communication units and telecommunication unit two parts;The area communication units are used for will The data transmission of car operating state signal collecting unit to control computer room in industrial computer;The telecommunication unit is used It is communicated with the bidirectional data transfers between remote supervisory database in carrying out elevator controlling computer room by internet.
By said program, the car operating state signal collecting unit includes six axis movement sensors and air pressure sensing Device, the car operating state signal collecting unit are fixed on car top.
By said program, the data processing unit processing lift car operating state signal obtains car real time execution shape The process of state parameter is as follows:
Acceleration and angular speed signal that car movement state information collecting unit is sensed and exported carry out signal condition, Acquisition, digitlization, interpolation fitting obtain lift car real time acceleration and angular speed;According to sensing car with respect to certain in hoistway The atmospheric pressure value of one plane of reference or reference point through signal condition, acquires, calculates the relatively a certain plane of reference of lift car or reference point Height, through coordinate transform obtain car in hoistway relative to the real time position of fixed reference system, then according to above-mentioned parameter It calculates and obtains car real-time running state parameter.
By said program, the background server big data analysis unit combines a variety of data digging methods to different zones Servers-all in data classified, analyzed, to obtain useful information;
The data digging method includes:Genetic algorithm, k-means algorithms, Apriori algorithm, Knn sorting algorithms;Institute It is a kind of computation model of reference living nature natural selection and natural genetic mechanism to state genetic algorithm, is that one kind passing through simulation nature Evolutionary process search for optimal solution method, for found in mass data a certain elevator motion feature optimal approximation function, Find the optimal estimation probability of elevator faults;K-means algorithms are a kind of clustering algorithms;Apriori algorithm, which is one kind, most shadow The algorithm of loud Mining Boolean Association Rules frequent item set;Knn sorting algorithms are one of simplest machine learning methods.
The beneficial effect comprise that:
1, independence:Independently of lift car built-in system, installed as external hanging device.
2, versatility:Suitable for different types of lift car.
3, real-time:Real-time judge elevator operation simultaneously alarms to abnormal behaviour.Units concerned are made to grasp in time State of elevator occurs to arrange repair at the first time in failure.
4, meets market to Elevator Monitoring with big data processing method is combined the needs of.
5, the trend of market infrastructure Internet of Things networking is complied with.Different data processing is carried out to a variety of acquisition input signals, More comprehensively monitor elevator situation.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the Intelligent elevator car safety monitoring and evaluation system structure diagram of the embodiment of the present invention;
Fig. 2 is the Intelligent elevator car safety monitoring and evaluation working-flow figure of the embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit The fixed present invention.
As shown in Figure 1, data acquisition device 8 (front end machine) has used embedded system, it is integrated with motion sensor, gas Pressure sensor, and data are exchanged by wired connection with picture pick-up device 9, embedded system is placed in the top acquisition elevator of car 10 Exercise data, including the 3-axis acceleration of lift car 10 and angular speed and 10 local environment of car it is absolute relative barometric pressure Value, picture pick-up device 9 are placed in cab interior apical acquisition video image information, can monitor internal environment in real time.
Such as Fig. 2, data acquisition device 8 (front end machine) is by wireless transmission method by the exercise data and video data of acquisition The industrial computer 5 being wirelessly transferred in real time in the top motor control room of elevator 7, industrial computer 5 also may be used To give the required instruction of front end machine 8 to control front end machine.Industrial computer 5 and background server 2 periodically will by internet The data obtained in a period of time are uploaded to background server.
Industrial computer 5 in the top motor control room of elevator 7 be responsible for the controlled car of analysis transmit it is real-time Data, judge whether the operating status of elevator, including elevator traffic direction (uplink, downlink or stopping), elevator surpass by algorithm Number of floor levels or the distance etc. apart from the normal level position of a certain floor where speed operation or abnormal shake, car, if it find that different Reason condition can record and alarm;Elevator passenger number and its behavior are can determine whether by video information, and passenger is generated Dangerous movement carries out warning reminding.
Background server is responsible for the data for the different elevator devices that analytical industry computer 5 transmits, and mainly uses big data Analyze the elevator situation etc. of given area or special time period.All data are stored in background server, user, maintenance people Member or residential property can access background server in interactive platform by specified permission and obtain the operation data and feelings of elevator Condition.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (4)

1. a kind of Intelligent elevator car safety monitoring and evaluation system, including:
Car operating state signal collecting unit, for acquiring car operating state signal, the car operating state signal packet It includes through the three-dimensional acceleration and three-dimensional angular velocity of six axis movement sensors perception lift car and is sensed by baroceptor The car relatively a certain setting plane of reference or atmospheric pressure value of reference point in hoistway;The three-dimensional acceleration refers to horizontal plane X-direction and adds Speed, horizontal plane Y-direction acceleration and Z-direction acceleration vertically upward;Three-dimensional angular velocity refers to around the angle that horizontal plane X-direction rotates Speed, the angular speed around the rotation of horizontal plane Y-direction and the angular speed around the rotation of Z-direction vertically upward;
Real-time video monitoring unit, for acquiring the real time environment image in lift car;
Data processing unit obtains car real-time running state parameter for handling lift car operating state signal, obtains electricity Terraced car real time kinematics state simultaneously carries out security evaluation according to lift car real time kinematics state;
The car real-time running state parameter includes:The real time acceleration of car, real-time angular speed, real-time speed, a certain section Displacement distance, the real time position relative to a certain fixed reference system, car Oscillation Amplitude in z-direction, car are in X in time And/or the amplitude of fluctuation in Y-direction;
The real-time running state includes:Elevator real time execution direction, elevator whether overspeed, the whether accurate flat bed of elevator, Real-time flat bed number of floor levels, can not flat bed when distance apart from a certain normal flat bed floor position, whether elevator in Z vertically upward There is abnormal shake in direction, whether in horizontal plane X and/or Y-direction, there are abnormality vibrations for elevator;
The security evaluation includes the following steps:The analysis method being combined using time-domain and frequency-domain, first to three-dimensional acceleration and Angular speed carries out time domain threshold decision;Then data are converted to corresponding frequency domain data using wavelet transformation, to frequency domain data It carries out Threshold Analysis and is combined with motion state, can finally obtain elevator motion level of security assessment result in real time;
It is additionally operable to, by ambient image in Computer Vision algorithm process car, obtain lift car internal state;The electricity Terraced cab interior state includes patronage and passenger behavior;
Background server big data analysis unit, the elevator cab movement status number for receiving and storing data processing unit According to, cab interior status data and elevator safety assessment result, and all services using data digging method to different zones The data of device carry out classification analysis;
Communication unit, including area communication units and telecommunication unit two parts;The area communication units are used for car The data transmission of operating state signal collecting unit to control computer room in industrial computer;The telecommunication unit is for leading to Internet progress elevator controlling computer room is crossed to communicate with the bidirectional data transfers between remote supervisory database.
2. Intelligent elevator car safety monitoring and evaluation system according to claim 1, which is characterized in that the car Operating state signal collecting unit includes six axis movement sensors and baroceptor, and the car operating state signal acquisition is single Member is fixed on car top.
3. Intelligent elevator car safety monitoring and evaluation system according to claim 1, which is characterized in that the data The process that processing unit processes lift car operating state signal obtains car real-time running state parameter is as follows:
The acceleration and angular speed signal that car movement state information collecting unit is sensed and exported carries out signal condition, adopts Collection, digitlization, interpolation fitting obtain lift car real time acceleration and angular speed;It is relatively a certain in hoistway according to sensing car The atmospheric pressure value of the plane of reference or reference point through signal condition, acquires, calculates the relatively a certain plane of reference of lift car or reference point Highly, car is obtained in hoistway relative to the real time position of fixed reference system, then according to above-mentioned parameter meter through coordinate transform It calculates and obtains car real-time running state parameter.
4. Intelligent elevator car safety monitoring and evaluation system according to claim 1, which is characterized in that the backstage Server big data analysis unit divides the data in the Servers-all of different zones in conjunction with a variety of data digging methods Class, analysis, to obtain useful information;
The data digging method includes:Genetic algorithm, k-means algorithms, Apriori algorithm, Knn sorting algorithms;The something lost Propagation algorithm is a kind of computation model of reference living nature natural selection and natural genetic mechanism, is that one kind passing through simulation natural evolution The method of process searches optimal solution, for finding the optimal approximation function of a certain elevator motion feature in mass data, finding The optimal estimation probability of elevator faults;K-means algorithms are a kind of clustering algorithms;Apriori algorithm is a kind of most influential The algorithm of Mining Boolean Association Rules frequent item set;Knn sorting algorithms are one of simplest machine learning methods.
CN201810168332.9A 2018-02-28 2018-02-28 A kind of Intelligent elevator car safety monitoring and evaluation system Pending CN108483172A (en)

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CN110127484A (en) * 2019-06-14 2019-08-16 嘉兴技师学院 A kind of elevator bridge case running position monitoring early-warning system and method
CN110589645A (en) * 2019-09-23 2019-12-20 上海核歌智能科技有限公司 Intelligent sensing detection system for elevator taking behavior
CN110619486A (en) * 2019-10-12 2019-12-27 安徽电梯大叔科技有限公司 Elevator safety quality evaluation system and method of elevator data model
CN111086938A (en) * 2018-10-24 2020-05-01 奥的斯电梯公司 Health monitoring of elevator and escalator systems
CN111170108A (en) * 2020-02-13 2020-05-19 浙江新再灵科技股份有限公司 Method for detecting out-of-door elevator stopping based on multi-source sensor fault label sample data gate
CN111551358A (en) * 2020-05-28 2020-08-18 永康龙飘传感科技有限公司 Door capable of acquiring various parameters and detection door forced closing system
CN111675062A (en) * 2020-07-07 2020-09-18 广东卓梅尼技术股份有限公司 Elevator car fault determination method and system based on multi-axis sensor technology
CN112850387A (en) * 2020-12-31 2021-05-28 北京航天特种设备检测研究发展有限公司 Elevator state acquisition and diagnosis system and method
CN113242835A (en) * 2018-12-24 2021-08-10 因温特奥股份公司 Personnel transport equipment
CN113479735A (en) * 2021-05-26 2021-10-08 安徽掘亿科技有限公司 Elevator operation and maintenance supervisory systems based on cloud platform
US11312594B2 (en) 2018-11-09 2022-04-26 Otis Elevator Company Conveyance system video analytics
CN115893134A (en) * 2022-12-01 2023-04-04 成都睿瞳科技有限责任公司 Elevator floor automatic identification method and terminal based on air pressure sensor

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CN105347127B (en) * 2014-08-19 2018-06-19 三菱电机上海机电电梯有限公司 The monitoring system and monitoring method of abnormal conditions in lift car
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CN111086938A (en) * 2018-10-24 2020-05-01 奥的斯电梯公司 Health monitoring of elevator and escalator systems
US11312594B2 (en) 2018-11-09 2022-04-26 Otis Elevator Company Conveyance system video analytics
CN113242835A (en) * 2018-12-24 2021-08-10 因温特奥股份公司 Personnel transport equipment
CN110127484A (en) * 2019-06-14 2019-08-16 嘉兴技师学院 A kind of elevator bridge case running position monitoring early-warning system and method
CN110127484B (en) * 2019-06-14 2023-11-14 嘉兴技师学院 Elevator bridge box operation position monitoring and early warning system and method
CN110589645A (en) * 2019-09-23 2019-12-20 上海核歌智能科技有限公司 Intelligent sensing detection system for elevator taking behavior
CN110619486A (en) * 2019-10-12 2019-12-27 安徽电梯大叔科技有限公司 Elevator safety quality evaluation system and method of elevator data model
CN111170108A (en) * 2020-02-13 2020-05-19 浙江新再灵科技股份有限公司 Method for detecting out-of-door elevator stopping based on multi-source sensor fault label sample data gate
CN111170108B (en) * 2020-02-13 2021-11-23 浙江新再灵科技股份有限公司 Method for detecting out-of-door elevator stopping based on multi-source sensor fault label sample data gate
CN111551358A (en) * 2020-05-28 2020-08-18 永康龙飘传感科技有限公司 Door capable of acquiring various parameters and detection door forced closing system
CN111675062A (en) * 2020-07-07 2020-09-18 广东卓梅尼技术股份有限公司 Elevator car fault determination method and system based on multi-axis sensor technology
CN112850387A (en) * 2020-12-31 2021-05-28 北京航天特种设备检测研究发展有限公司 Elevator state acquisition and diagnosis system and method
CN112850387B (en) * 2020-12-31 2023-02-03 北京航天特种设备检测研究发展有限公司 Elevator state acquisition and diagnosis system and method
CN113479735A (en) * 2021-05-26 2021-10-08 安徽掘亿科技有限公司 Elevator operation and maintenance supervisory systems based on cloud platform
CN115893134A (en) * 2022-12-01 2023-04-04 成都睿瞳科技有限责任公司 Elevator floor automatic identification method and terminal based on air pressure sensor
CN115893134B (en) * 2022-12-01 2023-08-15 成都睿瞳科技有限责任公司 Automatic elevator floor identification method based on air pressure sensor

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Application publication date: 20180904