CN113800351A - Internet of things elevator control system based on NB-IoT technology - Google Patents

Internet of things elevator control system based on NB-IoT technology Download PDF

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Publication number
CN113800351A
CN113800351A CN202110986086.XA CN202110986086A CN113800351A CN 113800351 A CN113800351 A CN 113800351A CN 202110986086 A CN202110986086 A CN 202110986086A CN 113800351 A CN113800351 A CN 113800351A
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CN
China
Prior art keywords
module
elevator
maintenance
iot
cloud server
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Pending
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CN202110986086.XA
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Chinese (zh)
Inventor
姚永其
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.)
Yuyun Weisen Suzhou Elevator Service Co ltd
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Yuyun Weisen Suzhou Elevator Service Co ltd
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Priority to CN202110986086.XA priority Critical patent/CN113800351A/en
Publication of CN113800351A publication Critical patent/CN113800351A/en
Pending legal-status Critical Current

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    • 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
    • B66B5/0025Devices monitoring the operating condition of the elevator system for maintenance or repair
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00Control systems of elevators in general
    • B66B1/02Control systems without regulation, i.e. without retroactive action
    • B66B1/06Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00Control systems of elevators in general
    • B66B1/34Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3415Control system configuration and the data transmission or communication within the control system
    • 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

Abstract

The invention discloses an Internet of things elevator control system based on NB-IoT technology, which is characterized in that: the system comprises an elevator supervision module, a safety monitoring module, a maintenance management and control module, an NB-IoT module, a cloud server and a mobile phone APP terminal; the elevator supervision module, the safety monitoring module and the maintenance management and control module transmit data to the cloud server through the NB-IoT module, data intercommunication is kept between the elevator supervision module, the safety monitoring module and the maintenance management and control module, and the cloud server processes the data and then updates the data to the mobile phone APP terminal. According to the Internet of things elevator control system based on the NB-IoT technology, the NB-IoT module is accessed into the elevator control system, so that the network communication cost in the elevator is greatly reduced, the cost is low, the popularization is convenient, the service life is greatly prolonged, and the communication convenience is higher.

Description

Internet of things elevator control system based on NB-IoT technology
Technical Field
The invention relates to the technical field of elevator control systems, in particular to an Internet of things elevator control system based on NB-IoT technology.
Background
NB-lot focuses on the low power wide coverage (LPWA) internet of things (IoT) market, an emerging technology that can be widely applied worldwide. The method has the characteristics of wide coverage, multiple connections, low speed, low cost, low power consumption, excellent architecture and the like. The NB-IoT uses the License frequency band, can adopt three deployment modes of in-band, guard band or independent carrier, and coexists with the existing network. NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. NB-IoT device battery life can be improved by at least ten years while also providing very comprehensive indoor cellular data connection coverage. In terms of supporting big data, data collected by the NB-IoT connection can be uploaded directly to the cloud, while bluetooth, Wi-Fi, etc. technologies do not have such convenience.
At present, in the elevator industry, the elevator control system is limited by energy consumption, network communication cost and the like, the functions of the control system are extremely limited, particularly in the aspects of elevator supervision, safety monitoring and maintenance management and control, in order to meet the increasing functional requirements, a user can only gradually increase the daily investment of the elevator control system, the burden of the user is increased, resources in the aspects of network communication and the like are occupied, the elevator maintenance cost is high, maintenance personnel cannot be subjected to maintenance statistics and effective supervision during maintenance, and the actual situation cannot be analyzed and rescued in time when safety problems occur.
Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.
Disclosure of Invention
The invention aims to provide an Internet of things elevator control system based on NB-IoT technology, which is low in communication cost, convenient to maintain and protect, convenient to remotely supervise and has quick emergency early warning capability.
In order to solve the technical problems, the invention provides an internet of things elevator control system based on an NB-IoT technology, which has the following specific technical scheme:
an Internet of things elevator control system based on NB-IoT technology comprises an elevator supervision module, a safety monitoring module, a maintenance management and control module, an NB-IoT module, a cloud server and a mobile phone APP terminal;
the elevator supervision module is used for providing real-time state pictures or videos in the elevator;
the safety monitoring module is used for alarming and seeking help by pressing a key of a trapped person when the elevator fails;
the maintenance management and control module is used for recording and supervising maintenance personnel to maintain the elevator;
the elevator supervision module, the safety monitoring module and the maintenance management and control module transmit data to the cloud server through the NB-IoT module, data intercommunication is kept between the elevator supervision module, the safety monitoring module and the maintenance management and control module, and the cloud server processes the data and then updates the data to the mobile phone APP terminal.
Preferably, the elevator supervision module comprises a video voice call module for enabling people in the elevator to communicate with supervision personnel conveniently and an image acquisition module for shooting and recording real-time conditions in the elevator, and the video voice call module and the image acquisition module send pictures and video data in the elevator to the NB-IoT module and upload the pictures and the video data to the cloud server.
Preferably, the security monitoring module comprises a one-key alarm trigger and an alarm module, and the one-key alarm trigger controls the alarm module to send a signal to the NB-IoT module and transmit the signal to the cloud server for analysis after triggering, and send a dangerous case report to the mobile phone APP.
Preferably, the maintenance management and control module comprises a plurality of UHF electronic chips arranged in the elevator and RFID Bluetooth maintenance equipment carried by maintenance personnel, the UHF electronic chips and the RFID Bluetooth maintenance equipment generate induction and then send induction signals to the NB-IoT module and send the induction signals to the mobile phone APP terminal after being processed by the cloud server, so that the maintenance personnel can be monitored to maintain the elevator and record maintenance information on time and at regular intervals.
Preferably, the cloud server is further connected with a distress center, and the signal of the alarm module is analyzed by the cloud server and then sent to the distress center for distress.
Preferably, the alarm module is communicated with the elevator monitoring module in a one-way mode, and the video voice call module and the image acquisition module are triggered by touching the alarm module, so that a monitoring person can realize voice and video calls with a person in the elevator through the NB-IoT module.
Preferably, the maintenance management and control module is communicated with the image acquisition module, when the UHF electronic chip and the RFID Bluetooth maintenance equipment generate induction, the image acquisition module uploads an image or a video of a maintenance worker entering the elevator for maintenance to the cloud server and synchronizes to the APP end of the mobile phone so as to conveniently monitor and assess the maintenance worker and the service thereof.
Preferably, the mobile phone APP end is further connected with a factory service platform, and the data analyzed by the cloud server are uploaded to the factory service platform by the mobile phone APP end, so that a manufacturer can conveniently improve the elevator control system according to the maintenance data.
Preferably, the mobile phone APP end further has an image and video storage function and a maintenance information recording function, and the mobile phone APP end is communicated with the operation server in a two-way manner, so that the video image and the maintenance information of the mobile phone APP end are uploaded to the cloud server.
The invention discloses an Internet of things elevator control system based on NB-IoT technology, which has the following beneficial effects:
(1) according to the Internet of things elevator control system based on the NB-IoT technology, the NB-IoT module is accessed into the elevator control system, so that the network communication cost in an elevator is greatly reduced, the cost is low, the popularization is convenient, the service life is greatly prolonged, and the communication convenience is higher;
(2) according to the Internet of things elevator control system based on the NB-IoT technology, the elevator supervision module, the safety monitoring module and the maintenance management and control module which can be used independently or in a matched mode are arranged in the control system, and the cloud server and the mobile phone APP terminal are combined, so that rescue can be responded more quickly when people are trapped in elevator faults, supervision and check of maintenance personnel are facilitated, meanwhile, the working convenience of the maintenance personnel is improved, and the working efficiency is improved;
additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an architecture diagram of an internet of things elevator control system based on NB-IoT technology;
FIG. 2 is an architectural diagram of the elevator supervisor module of FIG. 1;
FIG. 3 is an architecture diagram of the security monitoring module of FIG. 1;
fig. 4 is an architecture diagram of the maintenance management and control module in fig. 1.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Examples
Referring to fig. 1 to 4, an internet of things elevator control system based on NB-IoT technology includes an elevator supervision module, a security monitoring module, a maintenance management and control module, an NB-IoT module, a cloud server, and a mobile phone APP terminal;
the elevator supervision module is used for providing real-time state pictures or videos in the elevator;
the safety monitoring module is used for alarming and seeking help by pressing a key of a trapped person when the elevator fails;
the maintenance management and control module is used for recording and supervising maintenance personnel to maintain the elevator;
the elevator monitoring module, the safety monitoring module and the maintenance management and control module transmit data to the cloud server through the NB-IoT module, data intercommunication is kept between the elevator monitoring module, the safety monitoring module and the maintenance management and control module, the elevator control system calls the modules according to actual conditions in the working process so as to meet different requirements, and the cloud server processes the data and then updates the data to the mobile phone APP terminal.
The elevator supervision module comprises a video voice call module and an image acquisition module, the video voice call module is used for enabling people in the elevator to be conveniently communicated with supervision personnel, the image acquisition module is used for shooting and recording real-time conditions in the elevator, and the video voice call module and the image acquisition module send pictures and video data in the elevator to the NB-IoT module and upload the pictures and the video data to the cloud server.
The safety monitoring module comprises a one-key alarm trigger and an alarm module, and the one-key alarm trigger controls the alarm module to send signals to the NB-IoT module after triggering, transmit the signals to the cloud server for analysis and send dangerous case reports to the mobile phone APP terminal.
The maintenance management and control module comprises a plurality of UHF electronic chips arranged in the elevator and RFID Bluetooth maintenance equipment carried by maintenance personnel, the UHF electronic chips and the RFID Bluetooth maintenance equipment generate induction and then send induction signals to the NB-IoT module and send the induction signals to the mobile phone APP terminal after being processed by the cloud server, so that the maintenance personnel can be monitored to maintain the elevator on time and at regular intervals and record maintenance information.
The cloud server is further connected with a distress center, and the signals of the alarm module can be analyzed by the cloud server and then sent to the distress center to ask for help.
The alarm module is communicated with the elevator supervision module in a one-way mode, the video voice call module and the image acquisition module are triggered along with the touch of the alarm module, so that a supervisor can realize voice and video calls with people in the elevator through the NB-IoT module, after a one-key alarm trigger in the alarm module is pressed, the supervisor can communicate with trapped people besides help seeking information, the emotion of the trapped people is pacified, the trapped people can be guided to save oneself, and rescue efficiency is improved.
The maintenance management and control module is communicated with the image acquisition module, when a UHF electronic chip and RFID Bluetooth maintenance equipment generate induction, the image acquisition module uploads an image or a video of maintenance personnel entering an elevator to a cloud server, and synchronizes to a mobile phone APP end so as to conveniently monitor and examine the maintenance personnel and the service thereof, when the maintenance personnel overhauls or maintains the elevator, the maintenance management and control module triggers and cooperates with the image acquisition module in the elevator supervision module to shoot and retain a working process, when the elevator has a fault caused by improper maintenance, the maintenance management and control module is convenient to blame, and the maintenance personnel are warned so as to ensure the maintenance effect.
The mobile phone APP end is further connected with a factory service platform, and the data analyzed by the cloud server are uploaded to the factory service platform by the mobile phone APP end, so that a manufacturer can conveniently improve the elevator control system according to the maintenance data. In addition, the maintenance personnel can also know the running condition and the fault information of the elevator according to the data of the APP terminal of the mobile phone, and control the safety of the elevator.
Cell-phone APP end still possesses the memory function of image and video and the record function of dimension guarantor information, and cell-phone APP end and fortune server both-way intercommunication to upload the video image of cell-phone APP end and dimension guarantor information to cloud server, for the dimension guarantor provides the maintenance evidence and be convenient for make statistics of elevator damage part, also can play certain promotion effect to the promotion of elevator technique. Cell-phone APP end can also remind elevator annual check time to ensure that the elevator can in time obtain maintenance, provide further guarantee for user's safety.
In the internet of things elevator control system based on the NB-IoT technology, when an elevator works normally, all modules are in a standby state, when maintenance is needed, and maintenance personnel carry mobile RFID Bluetooth maintenance equipment to be close to a reading range from the elevator to a UHF electronic chip, an image acquisition module is activated and transmits pictures or videos during maintenance to a cloud server through an NB-IoT module, and then the pictures or videos are transmitted to a mobile phone APP terminal for storage, and the maintenance personnel record maintenance information at the mobile phone APP terminal and upload the maintenance information to the cloud server for storage; when the elevator breaks down and leads to personnel to be stranded, stranded personnel press a key alarm trigger, elevator supervision module and safety monitoring module are all activated, alarm module passes through NB-IoT and transmits warning message to cloud ware, and report to the call for help center, distribute personnel by the call for help center and rescue, update information to cell-phone APP end simultaneously, the real-time situation in the elevator can be looked over according to cell-phone APP end to the rescue personnel, the supervision personnel also can pacify stranded personnel's condition when the rescue personnel go to the rescue, guide it to save oneself.
The invention has the beneficial effects that: by accessing the NB-IoT module into the elevator control system, the network communication cost in the elevator is greatly reduced, the cost is low, the popularization is convenient, the service life is also greatly prolonged, and the communication convenience is higher; through set up elevator supervision module, safety monitoring module and the management and control module of dimension guarantor that can independent use or use of mutually supporting in control system, combine cloud ware and cell-phone APP end, there is personnel can faster response rescue when stranded in the elevator trouble, the supervision of the personnel of being more convenient for dimension guarantor is examined, also improved dimension guarantor's work convenience simultaneously moreover, improved work efficiency.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. An thing networking elevator control system based on NB-IoT technique which characterized in that: the system comprises an elevator supervision module, a safety monitoring module, a maintenance management and control module, an NB-IoT module, a cloud server and a mobile phone APP terminal;
the elevator supervision module is used for providing real-time state pictures or videos in the elevator;
the safety monitoring module is used for alarming and seeking help by pressing a key of a trapped person when the elevator fails;
the maintenance management and control module is used for recording and supervising maintenance personnel to maintain the elevator;
the elevator supervision module, the safety monitoring module and the maintenance management and control module transmit data to the cloud server through the NB-IoT module, data intercommunication is kept between the elevator supervision module, the safety monitoring module and the maintenance management and control module, and the cloud server processes the data and then updates the data to the mobile phone APP terminal.
2. The NB-IoT technology-based internet of things elevator control system of claim 1, wherein: the elevator supervision module comprises a video voice call module and an image acquisition module, the video voice call module is used for enabling people in the elevator to conveniently communicate with supervision personnel, the image acquisition module is used for shooting and recording real-time conditions in the elevator, and the video voice call module and the image acquisition module send pictures and video data in the elevator to the NB-IoT module and upload the pictures and the video data to the cloud server.
3. The NB-IoT technology-based internet of things elevator control system of claim 2, wherein: the safety monitoring module comprises a one-key alarm trigger and an alarm module, and the one-key alarm trigger controls the alarm module to send signals to the NB-IoT module after triggering, transmits the signals to the cloud server for analysis and sends a dangerous case report to the mobile phone APP terminal.
4. The NB-IoT technology-based internet of things elevator control system of claim 3, wherein: the maintenance management and control module comprises a plurality of UHF electronic chips arranged in the elevator and RFID Bluetooth maintenance equipment carried by maintenance personnel, the UHF electronic chips and the RFID Bluetooth maintenance equipment generate induction and then send induction signals to the NB-IoT module and send the induction signals to the mobile phone APP terminal after being processed by the cloud server, so that the maintenance personnel can be monitored to maintain the elevator on time and at regular intervals and record maintenance information.
5. The NB-IoT technology-based internet of things elevator control system of claim 3, wherein: the cloud server is further connected with a distress center, and the signals of the alarm module can be analyzed by the cloud server and then sent to the distress center to ask for help.
6. The NB-IoT technology-based Internet of things elevator control system of claim 4, wherein: the alarm module is communicated with the elevator monitoring module in a one-way mode, and the video voice call module and the image acquisition module are triggered along with the touch alarm module, so that a monitoring person can realize voice and video calls with a person in the elevator through the NB-IoT module.
7. The NB-IoT technology-based internet of things elevator control system of claim 6, wherein: the maintenance management and control module is communicated with the image acquisition module, when the UHF electronic chip and the RFID Bluetooth maintenance equipment generate induction, the image acquisition module uploads an image or a video of a maintenance worker entering the elevator for maintenance to the cloud server and synchronizes to the APP end of the mobile phone so as to conveniently monitor and examine the maintenance worker and the service thereof.
8. The NB-IoT technology-based internet of things elevator control system of claim 1, wherein: the mobile phone APP end is connected with the factory service platform, and uploads the data analyzed by the cloud server to the factory service platform, so that a manufacturer can improve the elevator control system according to the maintenance data.
9. The NB-IoT technology-based internet of things elevator control system of claim 1, wherein: the mobile phone APP end further has the image and video storage function and the recording function of the maintenance information, and the mobile phone APP end is communicated with the operation server in a two-way mode, so that the video image and the maintenance information of the mobile phone APP end are uploaded to the cloud server.
CN202110986086.XA 2021-08-26 2021-08-26 Internet of things elevator control system based on NB-IoT technology Pending CN113800351A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104192660A (en) * 2014-08-25 2014-12-10 宁夏电通物联网科技有限公司 Fault alarm Internet-of-Things terminal for maintenance and inspection of elevator
CN106348113A (en) * 2016-08-31 2017-01-25 四川奥尔铂电梯有限公司 Elevator safety remote real-time monitoring system based on internet of things
CN106966240A (en) * 2017-04-01 2017-07-21 嘉世达电梯有限公司 A kind of elevator remote monitoring system
CN107758454A (en) * 2017-11-24 2018-03-06 安徽奥里奥克科技股份有限公司 Helper information interaction system based on intelligent terminal
CN108046073A (en) * 2017-12-05 2018-05-18 长沙奕康信息科技有限公司 A kind of elevator network monitoring system for things
US20200198930A1 (en) * 2018-12-21 2020-06-25 Otis Elevator Company Virtual sensor for elevator monitoring
US20200346874A1 (en) * 2017-09-01 2020-11-05 Tsubakimoto Chain Co. Abnormality detecting system, abnormality detecting apparatus, abnormality detecting method, computer program, and chain
CN111994745A (en) * 2020-08-31 2020-11-27 郑州大学 Elevator equipment portrait drawing system and method
CN112645171A (en) * 2020-12-31 2021-04-13 北京航天特种设备检测研究发展有限公司 Elevator state acquisition and diagnosis edge device and system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104192660A (en) * 2014-08-25 2014-12-10 宁夏电通物联网科技有限公司 Fault alarm Internet-of-Things terminal for maintenance and inspection of elevator
CN106348113A (en) * 2016-08-31 2017-01-25 四川奥尔铂电梯有限公司 Elevator safety remote real-time monitoring system based on internet of things
CN106966240A (en) * 2017-04-01 2017-07-21 嘉世达电梯有限公司 A kind of elevator remote monitoring system
US20200346874A1 (en) * 2017-09-01 2020-11-05 Tsubakimoto Chain Co. Abnormality detecting system, abnormality detecting apparatus, abnormality detecting method, computer program, and chain
CN107758454A (en) * 2017-11-24 2018-03-06 安徽奥里奥克科技股份有限公司 Helper information interaction system based on intelligent terminal
CN108046073A (en) * 2017-12-05 2018-05-18 长沙奕康信息科技有限公司 A kind of elevator network monitoring system for things
US20200198930A1 (en) * 2018-12-21 2020-06-25 Otis Elevator Company Virtual sensor for elevator monitoring
CN111994745A (en) * 2020-08-31 2020-11-27 郑州大学 Elevator equipment portrait drawing system and method
CN112645171A (en) * 2020-12-31 2021-04-13 北京航天特种设备检测研究发展有限公司 Elevator state acquisition and diagnosis edge device and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘军等: "《物联网与物流管控一体化》", 30 April 2017, 中国财富出版社 *

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