CN107244600A - A kind of commercial elevator intelligent monitoring system based on Internet of Things - Google Patents

A kind of commercial elevator intelligent monitoring system based on Internet of Things Download PDF

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Publication number
CN107244600A
CN107244600A CN201710532175.0A CN201710532175A CN107244600A CN 107244600 A CN107244600 A CN 107244600A CN 201710532175 A CN201710532175 A CN 201710532175A CN 107244600 A CN107244600 A CN 107244600A
Authority
CN
China
Prior art keywords
elevator
microprocessor
internet
monitoring system
database server
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710532175.0A
Other languages
Chinese (zh)
Inventor
袁冬明
朱建峰
陈亮
葛俊
童健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHI ELEVATOR Co Ltd
Original Assignee
SHENZHI ELEVATOR Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHI ELEVATOR Co Ltd filed Critical SHENZHI ELEVATOR Co Ltd
Priority to CN201710532175.0A priority Critical patent/CN107244600A/en
Publication of CN107244600A publication Critical patent/CN107244600A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B66B3/00Applications of devices for indicating or signalling operating conditions of elevators
    • 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
    • B66B5/0012Devices monitoring the users of the elevator system
    • 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
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/021Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • B66B5/024Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by an accident, e.g. fire
    • 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
    • B66B5/14Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads

Landscapes

  • Alarm Systems (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

The invention discloses a kind of commercial elevator intelligent monitoring system based on Internet of Things, including power module, monitor terminal, Surveillance center, database server, first microprocessor, the second microprocessor, fault diagnosis device, floor tracer, elevator faults hand push button, fire alarm, human inductor, camera and elevator door controller;The beneficial effects of the invention are as follows:Intelligent monitor system structure connection is compact, using simple, monitoring system is the commercial elevator intelligent monitoring based on Internet of Things, by Surveillance center by the data transfer in database server to monitor terminal, monitor terminal is electrically connected with display, elevator running situation can intuitively be observed, camera can be by the picture real-time Transmission in elevator, the diagnosable elevator floor tracer of fault diagnosis device, elevator faults hand push button, elevator door controller is electrically connected with pressure sensor, lock module and fault alarm, prevent tor door faults, cause personal injury, stability is strong during work.

Description

A kind of commercial elevator intelligent monitoring system based on Internet of Things
Technical field
The present invention relates to a kind of elevator intelligent monitoring system, specially a kind of commercial elevator intelligent monitoring based on Internet of Things System, belongs to monitoring system field.
Background technology
Elevator is a kind of vertical conveyor using motor as power, equipped with box-like gondola, for tier building multiply people or Carrying goods, also there is step, and step plate continuously runs on crawler belt, is commonly called as escalator or moving sidewalk, serves Provide the fixed type lifting equipment of floor, vertical lift elevator has car, operate at least two row it is vertical or tilt Angle is less than between 15 ° of rigid guideway, and car size is easy to passenger to come in and go out or handling goods with structure type, though traditionally its Type of drive is how, using elevator as vertical transportation means of transport in building general name, by speed can divide slower elevators (1 meter/ It is second following), express lift (1~2 meter per second) and express elevator (more than 2 meter per seconds), 19th century mid-term start hydraulic elevator occur, So far still applied on low-rise building, 1852, the E.G. Otis in the U.S. develops the safety cage of rope hoisting, The eighties, drive device has further improvement, and such as motor drives winding reel, using balance weight, 19 by worm-drive In the end of the century, frictional wheel drive is employed, greatly increase the hoisting depth of elevator.
In place of current elevator intelligent monitoring system comes with some shortcomings, what is had is not provided with database server, it is impossible to will The signal of reception carries out real-time Transmission, and monitoring effect is poor, and some elevator door controllers are not provided with pressure sensor, easily make It is overweight without alarming into elevator, make elevator running and comparing dangerous, when some elevators break down, it is impossible to positioning hair promptly and accurately Raw location of fault, can not more shift to an earlier date signal an alert, cause the generation of security incident, the life security of serious threat people, There is larger potential safety hazard, practicality is not strong.
The content of the invention
The purpose of the present invention is that provides a kind of commercial elevator intelligent based on Internet of Things to solve the above problems Monitoring system.
The present invention is achieved through the following technical solutions above-mentioned purpose:A kind of commercial elevator intelligent monitoring based on Internet of Things System, including power module, monitor terminal, Surveillance center, database server, first microprocessor, the second microprocessor, event Hinder diagnostor, floor tracer, elevator faults hand push button, fire alarm, human inductor, camera and elevator door control Device processed;The power module is electrically connected with monitor terminal, and the monitor terminal is electrically connected with display, and the monitoring is whole End is connected with Surveillance center by electric wire, and the Surveillance center is connected with database server, and the database by electric wire Server carries out wireless data transmission by the network switch, and the database server is used to storing, receive and sending data Signal, the database server is connected with the second microprocessor, and second microprocessor control floor event by electric wire Hinder detector, elevator faults hand push button and fire alarm, second microprocessor is used to handle lift fault signal, described Second microprocessor is connected with fault diagnosis device by electric wire, and the fault diagnosis device is connected with floor fault detect by electric wire Device, the floor tracer is used to detect whether elevator reaches flat bed, and the fault diagnosis device is connected with electricity by electric wire Terraced failure hand push button, the fault diagnosis device is connected with fire alarm by electric wire, and the fire alarm is passed including temperature Sensor, Smoke Sensor, the database server are connected with first microprocessor by electric wire, the first microprocessor with It is electrically connected between human inductor, camera, elevator door controller, the elevator door controller controls elevator switch.
Further, in order to reach that to close elevator door firm, and elevator is overweight be not turned off with elevator door when carry out therefore Barrier alarm, the elevator door controller is electrically connected with pressure sensor, locking module and fault alarm.
Further, in order to reach when the non-flat bed of floor, button failure situation occurs in elevator, carry out at quick concentration Reason, the second microprocessor control floor tracer, elevator faults hand push button and fire alarm.
Further, picture in elevator can be monitored in real time in order to reach, during elevator faults, electricity can be determined with the very first time Personal security situation in terraced, the camera is used for the picture that will be monitored in elevator and real-time Transmission is to database server.
Further, make elevator intelligent supervisory control system running normal to reach, the power module is Surveillance center, prison Power supply needed for control terminal, database server are provided.
Further, in order to reach the temperature and smokescope inside by lift car, handled in time, prevent fire Calamity spreads, and the fire alarm includes temperature sensor, Smoke Sensor.
Further, in order to reach more intuitively observation parameters of elevator run and data, the monitor terminal electrically connects It is connected to display.
Speed when further, in order to reach that database server carries out data transmission, Real-time Monitoring Data is more smart Really, the database server carries out wireless data transmission by the network switch.
The beneficial effects of the invention are as follows:Intelligent monitor system structure connection is compact, using simple, and monitoring system is to be based on The commercial elevator intelligent monitoring of Internet of Things, by Surveillance center by the data transfer in database server to monitor terminal, is supervised Control terminal is electrically connected with display, can intuitively observe elevator running situation, and camera can pass the picture in elevator in real time Defeated, the diagnosable elevator floor tracer of fault diagnosis device, elevator faults hand push button, elevator door controller are electrically connected with Pressure sensor, locking module and fault alarm, prevent tor door faults, cause personal injury, stability is strong during work.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention;
Fig. 2 is elevator door controller topological diagram of the present invention;
In figure:1st, power module, 2, monitor terminal, 3, Surveillance center, 4, database server, 5, first microprocessor, 6th, the second microprocessor, 7, fault diagnosis device, 8, floor tracer, 9, elevator faults hand push button, 10, fire alarm, 11st, human inductor, 12, camera, 13, elevator door controller.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2, a kind of commercial elevator intelligent monitoring system based on Internet of Things are referred to, including power module 1, monitoring are eventually End 2, Surveillance center 3, database server 4, first microprocessor 5, the second microprocessor 6, fault diagnosis device 7, floor failure Detector 8, elevator faults hand push button 9, fire alarm 10, human inductor 11, camera 12 and elevator door controller 13;Institute State power module 1 and be electrically connected with monitor terminal 2, and the monitor terminal 2 is electrically connected with display, the monitor terminal 2 Surveillance center 3 is connected with by electric wire, the Surveillance center 3 is connected with database server 4, and the database by electric wire Server 4 carries out wireless data transmission by the network switch, and the database server 4 can be used for storing and receiving, send Data-signal, the database server 4 is connected with the second microprocessor 6 by electric wire, and second microprocessor 6 is controlled Floor tracer 8, elevator faults hand push button 9 and fire alarm 10, second microprocessor 6 are used to handle elevator event Hinder signal, second microprocessor 6 is connected with fault diagnosis device 7 by electric wire, and the fault diagnosis device 7 is connected by electric wire There is floor tracer 8, the floor tracer 8 can detect whether elevator reaches flat bed, the fault diagnosis device 7 Elevator faults hand push button 9 is connected with by electric wire, the fault diagnosis device 7 is connected with fire alarm 10, and institute by electric wire Stating fire alarm 10 includes temperature sensor, Smoke Sensor, and the database server 4 is connected with first micro- place by electric wire Device 5 is managed, is electrically connected between the first microprocessor 5 and human inductor 11, camera 12, elevator door controller 13, The elevator door controller 13 controls elevator switch.
It is used as a kind of technical optimization scheme of the present invention:The elevator door controller 13 be electrically connected with pressure sensor, Lock module and fault alarm;Second microprocessor 6 control floor tracer 8, elevator faults hand push button 9 with Fire alarm 10;The camera 12 can be by the picture real-time Transmission monitored in elevator to database server 4;The power supply The power supply for needed for being provided Surveillance center 3, monitor terminal 2, database server 4 of module 1;The fire alarm 10 is passed including temperature Sensor, Smoke Sensor;The monitor terminal 2 is electrically connected with display;The database server 4 passes through the network switch Carry out wireless data transmission.
In the use of the present invention, first Surveillance center be used for monitor elevator real-time status include non-flat bed stop ladder, pass People, rush to summit or crouching bottom, enabling row ladder etc., first microprocessor is used to analyze and process camera, human inductor, elevator door control Sent after the data that device is passed over, analyzing and processing to database server and carry out the transmission of data, be finally pooled to monitoring eventually End;Secondly monitor terminal makes corresponding response and by data display in LED screen, the second microprocessor control fault diagnosis Device, when fault diagnosis device monitor elevator occur elevator faults hand push buttons, in lift car temperature, smokescope occur it is abnormal When, alarmed, the state inside and outside early warning and in real time monitoring elevator can be achieved, and be accurately positioned failure generation position;Finally It is firm that elevator door controller can control locking device to close elevator door, is reported when pressure sensor sensing elevator is overweight It is alert, in order to the position that preferably positioning failure occurs, auxiliary locator is installed on each elevator, it is fixed by the auxiliary Position device is that being accurately positioned for failure can be achieved so that personnel make a response rapidly, significantly increase troubleshooting speed, pole Increase the terraced safety and reliability of power-up, facilitates marketing.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (8)

1. in a kind of commercial elevator intelligent monitoring system based on Internet of Things, including power module (1), monitor terminal (2), monitoring The heart (3), database server (4), first microprocessor (5), the second microprocessor (6), fault diagnosis device (7), floor failure Detector (8), elevator faults hand push button (9), fire alarm (10), human inductor (11), camera (12) and elevator door Controller (13);It is characterized in that:The power module (1) is electrically connected with monitor terminal (2), and the monitor terminal (2) is led to Cross electric wire and be connected with Surveillance center (3), the Surveillance center (3) is connected with database server (4), the data by electric wire Storehouse server (4) is used to storing, receive and sending data-signal, and the database server (4) is connected with second by electric wire Microprocessor (6), second microprocessor (6) is used to handle lift fault signal, and second microprocessor (6) passes through electricity Line is connected with fault diagnosis device (7), and the fault diagnosis device (7) is connected with floor tracer (8), the building by electric wire Layer tracer (8) is used to detect whether elevator reaches flat bed, and the fault diagnosis device (7) is connected with elevator event by electric wire Hinder hand push button (9), the fault diagnosis device (7) is connected with fire alarm (10), the database server (4) by electric wire First microprocessor (5) is connected with by electric wire, the first microprocessor (5) and human inductor (11), camera (12), Elevator door controller is electrically connected between (13), and the elevator door controller (13) controls elevator switch.
2. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Elevator door controller (13) is electrically connected with pressure sensor, locking module and fault alarm.
3. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Second microprocessor (6) control floor tracer (8), elevator faults hand push button (9) and fire alarm (10).
4. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Camera (12) is used to monitoring picture in elevator and real-time Transmission is to database server (4).
5. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Power module (1) power supply for needed for being provided Surveillance center (3), monitor terminal (2), database server (4).
6. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Fire alarm (10) includes temperature sensor, Smoke Sensor.
7. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Monitor terminal (2) is electrically connected with display.
8. a kind of commercial elevator intelligent monitoring system based on Internet of Things according to claim 1, it is characterised in that:It is described Database server (4) carries out wireless data transmission by the network switch.
CN201710532175.0A 2017-07-03 2017-07-03 A kind of commercial elevator intelligent monitoring system based on Internet of Things Pending CN107244600A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710532175.0A CN107244600A (en) 2017-07-03 2017-07-03 A kind of commercial elevator intelligent monitoring system based on Internet of Things

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710532175.0A CN107244600A (en) 2017-07-03 2017-07-03 A kind of commercial elevator intelligent monitoring system based on Internet of Things

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CN107244600A true CN107244600A (en) 2017-10-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113110399A (en) * 2021-05-20 2021-07-13 三一重机有限公司 Method and system for diagnosing faults of working machine
CN114348808A (en) * 2022-01-14 2022-04-15 广东弗兰斯勒电梯有限公司 Elevator active safety feedback intelligent system
US11434106B2 (en) * 2018-08-20 2022-09-06 Otis Elevator Company Elevator control to avoid hazardous conditions

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212011100032U1 (en) * 2011-02-10 2012-08-02 Chongqing Hehang Technology Inc. Intelligent alarm system for an abnormally open shaft door
CN103738804A (en) * 2013-12-26 2014-04-23 镇江晶鑫电子科技有限公司 Elevator security monitoring subsystem based on high-definition camera shooting integration gateway internet of things
CN104071668A (en) * 2014-06-17 2014-10-01 广西壮族自治区特种设备监督检验院 Intelligent elevator capable of automatically calling, cancelling stoppage and warning when people is trapped
CN203976149U (en) * 2014-06-18 2014-12-03 杭州英旭智能科技有限公司 Lift management system
CN104627761A (en) * 2014-12-03 2015-05-20 镇江晶鑫电子科技有限公司 Elevator safe operation monitoring system
CN105523453A (en) * 2014-09-30 2016-04-27 江苏吉美思物联网产业股份有限公司 Elevator monitoring system
CN105540377A (en) * 2015-12-28 2016-05-04 深圳神州科创电子科技有限公司秦皇岛分公司 Internet of things remote elevator monitoring system with human face matching function
CN106395536A (en) * 2016-11-28 2017-02-15 韦尚仁 Elevator alarm system
CN106429685A (en) * 2016-11-01 2017-02-22 合肥齐赢网络技术有限公司 Intelligent monitoring system for elevator
CN205998785U (en) * 2016-08-29 2017-03-08 天津市欣跃今朝科技发展有限公司 A kind of intelligent plant elevator long-distance monitorng management system
CN206051198U (en) * 2016-09-27 2017-03-29 江苏财经职业技术学院 A kind of elevator safety monitoring early-warning system based on Internet of Things
CN206069114U (en) * 2016-06-20 2017-04-05 浙江汉腾物联科技有限公司 Lift management system based on Internet of Things

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212011100032U1 (en) * 2011-02-10 2012-08-02 Chongqing Hehang Technology Inc. Intelligent alarm system for an abnormally open shaft door
CN103738804A (en) * 2013-12-26 2014-04-23 镇江晶鑫电子科技有限公司 Elevator security monitoring subsystem based on high-definition camera shooting integration gateway internet of things
CN104071668A (en) * 2014-06-17 2014-10-01 广西壮族自治区特种设备监督检验院 Intelligent elevator capable of automatically calling, cancelling stoppage and warning when people is trapped
CN203976149U (en) * 2014-06-18 2014-12-03 杭州英旭智能科技有限公司 Lift management system
CN105523453A (en) * 2014-09-30 2016-04-27 江苏吉美思物联网产业股份有限公司 Elevator monitoring system
CN104627761A (en) * 2014-12-03 2015-05-20 镇江晶鑫电子科技有限公司 Elevator safe operation monitoring system
CN105540377A (en) * 2015-12-28 2016-05-04 深圳神州科创电子科技有限公司秦皇岛分公司 Internet of things remote elevator monitoring system with human face matching function
CN206069114U (en) * 2016-06-20 2017-04-05 浙江汉腾物联科技有限公司 Lift management system based on Internet of Things
CN205998785U (en) * 2016-08-29 2017-03-08 天津市欣跃今朝科技发展有限公司 A kind of intelligent plant elevator long-distance monitorng management system
CN206051198U (en) * 2016-09-27 2017-03-29 江苏财经职业技术学院 A kind of elevator safety monitoring early-warning system based on Internet of Things
CN106429685A (en) * 2016-11-01 2017-02-22 合肥齐赢网络技术有限公司 Intelligent monitoring system for elevator
CN106395536A (en) * 2016-11-28 2017-02-15 韦尚仁 Elevator alarm system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11434106B2 (en) * 2018-08-20 2022-09-06 Otis Elevator Company Elevator control to avoid hazardous conditions
CN113110399A (en) * 2021-05-20 2021-07-13 三一重机有限公司 Method and system for diagnosing faults of working machine
CN114348808A (en) * 2022-01-14 2022-04-15 广东弗兰斯勒电梯有限公司 Elevator active safety feedback intelligent system

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Application publication date: 20171013