CN106657290B - Elevator Internet of things system based on broadband data communication technology and control method - Google Patents
Elevator Internet of things system based on broadband data communication technology and control method Download PDFInfo
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- CN106657290B CN106657290B CN201611103960.6A CN201611103960A CN106657290B CN 106657290 B CN106657290 B CN 106657290B CN 201611103960 A CN201611103960 A CN 201611103960A CN 106657290 B CN106657290 B CN 106657290B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The invention discloses an elevator Internet of things system and a control method based on a broadband data communication technology, wherein the elevator Internet of things system comprises an STU wireless data acquisition and transmission terminal, an elevator control cabinet and an elevator control cabinet, wherein the STU wireless data acquisition and transmission terminal is used for acquiring elevator running state information output by the elevator control cabinet and transmitting the elevator information; the TMCS background communication service system is used for carrying out real-time modification, management and synchronization on related states and parameters and storing and managing information of the synchronous STU wireless data acquisition and transmission terminal; the elevator shaft PLC data transmission device is used for carrying out data transmission by taking a direct-current power line as a transmission carrier; the building wireless data communication terminal connects each building into a local wireless local area network, and the elevator data among the buildings are transmitted to a unified external transmission communication port through the wireless local area network.
Description
Technical Field
The invention relates to the field of elevator Internet of things, in particular to an elevator Internet of things system based on a broadband data communication technology and a control method.
Background
Along with the popularization of wired networks and wireless networks, the country supports and develops the industrial chain of the internet of things, elevator manufacturers gradually realize that many data and information of elevators can also be remotely managed and monitored in an internet of things mode, so that the management and maintenance cost is reduced, and networking and remodelling of elevator management are realized. The traditional elevator internet of things scheme adopts a low-speed data transmission scheme, and along with the continuous emergence of modern terminal equipment, the modern elevator is not a simple function of serving people to go upstairs and downstairs conveniently and rapidly, and the modern elevator is converted into a networking and informationized special device integrating building safety, media service, advertisement media and the like. The traditional solution of the internet of things cannot meet the transmission requirements of a large amount of data and information diversification of modern elevators at all, and moreover, the old building has no wired broadband or the new building is inconvenient to lay the wired broadband, so that the architecture of the internet of things among the elevators of all the buildings is difficult to establish; the data transmission reliability of the existing elevator is not high and not stable enough, and the special equipment of the elevator has quite high requirements on the operation reliability.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The invention aims to provide an elevator Internet of things system based on a broadband data communication technology and a control method thereof, so as to solve the following technical problems: the existing solution of the internet of things cannot meet the transmission requirements of a large amount of data and information diversification of modern elevators; the old building has no wired broadband or the new building is inconvenient to lay the wired broadband, and the architecture of the Internet of things among the elevators of each building is difficult to establish; the data transmission reliability of the existing elevator is not high and is not stable enough.
The technical scheme of the invention is as follows:
elevator thing networking system based on broadband data communication technique, wherein, include
The STU wireless data acquisition and transmission terminal acquires elevator running state information output by the elevator control cabinet and packages and transmits the elevator running state information;
the TMCS background communication service system is used for carrying out real-time modification, management and synchronization on the relevant states and parameters of the STU wireless data acquisition and transmission terminal and storing and managing the information of the synchronous STU wireless data acquisition and transmission terminal;
the elevator shaft PLC data transmission device is used for carrying out data transmission on a transmission carrier;
the building wireless data communication terminal is used for connecting each building into a local wireless local area network, and transmitting elevator data among the buildings to a unified external transmission communication port through the wireless local area network;
and the STU wireless data acquisition and transmission terminal, the TMCS background communication service system, the elevator shaft PLC data transmission device and the building wireless data communication terminal are in communication connection.
The elevator Internet of things system based on the broadband data communication technology further comprises a calling system, a multimedia information release management system and a multimedia information release terminal.
The elevator internet of things system based on the broadband data communication technology, wherein the STU wireless data acquisition and transmission terminal comprises a bus interface which is in physical butt joint with an elevator control cabinet, an ERMD module which is used for processing acquired data, a HAWK application module and a local area network WEB management module, the ERMD module analyzes, encrypts and packages elevator data, the HAWK application module packages the elevator data packet processed by the ERMD module into a reliable data packet of RDCP protocol, a network and TMCS background communication service system are utilized to establish a safe data transmission channel, the data packet is transmitted to the TMCS background communication service system through the RDCP reliable transmission protocol, and a user directly carries out parameter configuration modification, state monitoring, firmware upgrading, user management, ERMD module parameter configuration and ERMD module state monitoring on the STU wireless data acquisition and transmission terminal through the local area network WEB management module.
The elevator Internet of things system based on the broadband data communication technology comprises a TMCS communication module, a VOIP module, a streaming media module, a positioning module and a management module, wherein the TMCS communication module establishes and maintains a communication link with the STU wireless data acquisition and transmission terminal, dynamically manages registration, login, data transmission and heartbeat detection, parameter modification and equipment firmware upgrading of the STU wireless data acquisition and transmission terminal, and comprises a Mysql database which provides a data storage space.
The elevator internet of things system based on the broadband data communication technology is characterized in that the VOIP module is used for voice communication between an elevator car and an emergency call center, a communication link is established between the HAWK application module and the TMCS communication module when a call is initiated in the elevator car, and a call command is sent to the VOIP module, and the VOIP module automatically establishes communication links at two ends and maintains a passage; the streaming media module is used for establishing a digital streaming media video streaming transmission channel between a digital camera in the elevator car and the monitoring center, the TMCS communication module sends an instruction to a designated STU wireless data acquisition and transmission terminal, the STU wireless data acquisition and transmission terminal acquires a video stream from the digital camera and pushes the video stream to the streaming media module after receiving the instruction, and the streaming media module forwards the video stream to the client; the positioning module is used for determining the current specific position of the STU terminal equipment and determining the position information by returning the longitude and latitude form.
The elevator internet of things system based on the broadband data communication technology, wherein the elevator hoistway PLC data transmission device comprises an A-end PLC access device and a B-end PLC access device connected with the A-end PLC access device, the A-end PLC access device and the B-end PLC access device are both provided with a bus interface connected with an elevator control cabinet and a lift car, a configuration management module and a cable transmission carrier function module for transmitting analog signals or digital signals in a carrier mode, the bus interface, the configuration management module and the cable transmission carrier function module are in communication connection, a working link is arranged between the A-end PLC access device and the B-end PLC access device, elevator operation data are transmitted between the A-end PLC access device and the B-end PLC access device through the working link, a protection link for replacing the working link to conduct data transmission when the working link fails or breaks down is also arranged between the A-end PLC access device and the B-end PLC access device, and the protection link are direct current power lines.
The elevator internet of things system based on the broadband data communication technology, wherein the elevator hoistway PLC data transmission device further comprises a protection switching detection module, the protection switching detection module sends heartbeat signals to the working link at intervals to confirm whether the working link normally operates, and the protection switching detection module is switched to the protection link to perform data transmission when the working link fails or breaks down.
The elevator Internet of things system based on the broadband data communication technology is characterized in that the multimedia information release management system is used for remotely managing and releasing multimedia information and comprises a system management subsystem, a user advertisement release and management subsystem and a terminal management and data transmission subsystem; the multimedia information release terminals are arranged in each elevator car and are used for displaying and playing the appointed program information released by the multimedia information release management system; the calling system is integrated on the multimedia information issuing terminal.
A control method of an elevator Internet of things system based on a broadband data communication technology comprises the following steps:
step A00: registering an ID of the STU wireless data acquisition and transmission terminal, acquiring initial configuration of a TMCS database after the TMCS communication module reads the configuration, sending an application server connection request to the TMCS communication module by an application server, enabling the TMCS communication module to give a connection response, establishing connection by the STU wireless data acquisition and transmission terminal, sending a login request to the TMCS communication module, writing equipment related information into the TMCS database by the TMCS communication module, and carrying out login configuration synchronization by the TMCS communication module;
step B00: the STU wireless data acquisition and transmission terminal sends an online heartbeat request to the TMCS communication module, and the TMCS communication module sends a heartbeat response;
step C00: the TMCS communication module sends a remote modification STU configuration request, the TMCS communication module synchronously configures to a TMCS database, and the STU wireless data acquisition transmission terminal sends a modification configuration response to the TMCS communication module;
step D00: the STU wireless data acquisition and transmission terminal transmits data information to the TMCS communication module, the TMCS communication module transmits the data to the application server, and the TMCS communication module sends a data transmission response;
step E00: when a passenger initiates a call in the car, a call command is sent to a VOIP module through a communication link established between the HAWK application module and the TMCS communication module, and the VOIP module sends a call response and automatically establishes communication links at two ends; when a monitoring center needs to check a monitoring video of a specified elevator, sending an instruction to a specified STU wireless data acquisition and transmission terminal through a TMCS communication module, and after the STU wireless data acquisition and transmission terminal receives the instruction, acquiring a video stream from a digital camera and pushing the video stream to a streaming media module of a TMCS background communication service system, wherein the streaming media module forwards the video stream to a client;
step F00: the STU wireless data acquisition and transmission terminal sends a downlink request to the TMCS communication module, and the TMCS communication module sends a downlink response.
The invention has the beneficial effects that: according to the elevator Internet of things system and the control method based on the broadband data communication technology, the elevator equipment is networked, the running state of the elevator is monitored remotely in real time, the problems of the elevator can be found as soon as possible, and faults are overhauled in time; the PLC data transmission device utilizes the direct current power line to carry out data transmission, so that the data transmission efficiency and the data bandwidth are greatly improved, the transmission distance is long, the speed is high, the control cables of the traditional elevator are omitted, the number of the trailing cables is reduced, the energy consumption is reduced, and the raw materials and the construction cost are saved; the PLC data transmission device is provided with two paths of data transmission links, and is switched to the standby data transmission link to continue data transmission under the condition that the normal working data transmission link fails or fails, so that the safety and reliability of the data transmission link are ensured, and the continuity and stability of data are improved.
Drawings
Fig. 1 is a schematic structural diagram of a STU wireless data acquisition and transmission terminal according to the present invention.
Fig. 2 is a schematic structural diagram of a TMCS background communication service system in the present invention.
Fig. 3 is a schematic structural view of a PLC data transmission device for an elevator hoistway according to the present invention.
Fig. 4 is a schematic structural diagram of a multimedia information distribution management system according to the present invention.
Fig. 5 is a schematic diagram of the structure of a call system and a multimedia information distribution terminal.
Fig. 6 is a flow chart of a control method in the present invention.
Fig. 7 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5 and 7, the present invention provides an elevator internet of things system based on broadband data communication technology, which comprises
The STU wireless data acquisition and transmission terminal 1 acquires elevator running state information output by an elevator control cabinet, encapsulates the elevator running state information and transmits the encapsulated elevator running state information;
the TMCS background communication service system 2 is used for carrying out real-time modification, management and synchronization on the relevant states and parameters of the STU wireless data acquisition and transmission terminal and storing and managing the information of the synchronous STU wireless data acquisition and transmission terminal 1;
the elevator shaft PLC data transmission device 3 is used for carrying out data transmission for a transmission carrier;
the invention relates to a building wireless data communication terminal (not labeled in the figure), which connects each building into a local wireless local area network, and transmits elevator data among the buildings to a unified external transmission communication port through the wireless local area network.
The invention also comprises a call system 4, a multimedia information release management system 5 and a multimedia information release terminal 6.
Referring to fig. 1, further, the STU wireless data acquisition and transmission terminal 1 includes a bus interface 100 that is physically abutted to the elevator control cabinet through interfaces such as CAN bus, RS422, RJ45 ethernet, etc., an ERMD module 101 for processing acquired data, a HAWK application module 102, and a local area network WEB management module 103, where the ERMD module 101 parses, encrypts, and packages elevator data, and the HAWK application module 102 encapsulates reliable data packets of RDCP protocol for elevator data packets processed by the ERMD module 101, and establishes a secure data transmission channel with the TMCS background communication service system 2 by using 2 g/3 g/4 g network and transmits the data packets to the TMCS background communication service system 2 through RDCP reliable transmission protocol, and a user directly performs parameter configuration modification, status monitoring, firmware upgrading, user management, parameter configuration of the ERMD module 101, and status monitoring of the ERMD module 101 for the STU wireless data acquisition and thus, the user CAN remotely check parameters, status and corresponding modifications of the STU wireless data transmission terminal 1.
Referring to fig. 2, the TMCS background communication service system 2 includes a TMCS communication module 200, a VOIP module 201, a streaming media module 202, a positioning module 203, and a management module 204, where the TMCS communication module 200 establishes and maintains a communication link with the STU wireless data acquisition and transmission terminal 1, dynamically manages registration, login, data transmission, heartbeat detection of the STU wireless data acquisition and transmission terminal 1, parameter modification, and device firmware upgrade, and the management module 204 includes a Mysql database, where the Mysql database provides a data storage space.
The VOIP module 201 is used for voice communication between the elevator car and the emergency call center, when passengers in the elevator car are trapped in emergency conditions such as the elevator car, the elevator car initiates a call to send a call command to the VOIP module 201 by establishing a communication link between the HAWK application module 102 and the TMCS communication module 200, and the VOIP module 201 automatically establishes communication links at two ends and maintains a passage, so that the safety of elevator operation is ensured, and passengers can be timely rescued when the emergency conditions occur; the streaming media module 202 is used for establishing a digital streaming media video streaming channel between a digital camera in an elevator car and a monitoring center, the TMCS communication module 200 sends an instruction to the appointed STU wireless data acquisition and transmission terminal 1, the STU wireless data acquisition and transmission terminal 1 acquires a video stream from the digital camera and pushes the video stream to the streaming media module after receiving the instruction, and the streaming media module forwards the video stream to a client; the positioning module 203 is configured to determine a current specific location of the STU terminal device, and determine location information by returning a form of longitude and latitude.
The following is the workflow of the STU wireless data acquisition and transmission terminal 1 and the TMCS background communication service system 2:
the STU wireless data acquisition and transmission terminal 1 is powered on and started, the HAWK application module 102 is started, the HAWK application module 102 logs in the TMCS background communication service system 2 after logging in successfully, a STU heartbeat packet is sent after the STU heartbeat packet is judged to be normal, data acquisition and transmission are continued, a base station positioning service thread is established and then connected with the positioning module 203 of the TMCS background communication service system 2, local longitude and latitude configuration data of STU equipment are modified after GPS longitude and latitude are acquired and synchronously configured to the TMCS communication module 200, the ERMD module 101 analyzes, encrypts and packages elevator data after collecting the data, the HAWK application module 102 packages the elevator data packet processed by the ERMD module 101, a secure data transmission channel is established between the 2G/3G/4G network and the TMCS background communication service system 2 through an RDCP reliable transmission protocol, the VOIP module 201 sends a call command, the streaming media module 202 sends a video stream command, and the HAWK application module monitors corresponding actions after receiving the command.
Referring to fig. 3, the elevator hoistway PLC (Power Line Carrier, i.e., power line communication technology) data transmission device 3 includes an a-end PLC access device 30 and a B-end PLC access device 31 connected to the a-end PLC access device 30, where the a-end PLC access device 30 and the B-end PLC access device 31 are both provided with a bus interface 301 connected to an elevator control cabinet and a car, a configuration management module 302, and a cable transmission carrier function module 303 for transmitting analog signals or digital signals in a carrier manner, the bus interface 301, the configuration management module 302, and the cable transmission carrier function module 303 are in communication connection, a working link 32 is provided between the a-end PLC access device 30 and the B-end PLC access device 31, elevator operation data is transmitted between the a-end PLC access device 30 and the B-end PLC access device 31 through the working link 32, and a protection link 33 for replacing the working link 32 when the working link 32 fails or fails is further provided between the a-end PLC access device 30 and the B-end PLC access device 31. Due to the arrangement of the protection link 33, the working link 32 is immediately switched to the protection link 33 to continue data transmission when not working normally, so that the data transmission process of the elevator is ensured not to be interrupted due to emergency, the reliability and the continuity of data transmission in the operation of the elevator are ensured, and the safety of the elevator is improved. In order to greatly improve the data transmission rate, the working link 32 and the protection link 33 are direct current power lines, so that the direct current power lines are used as transmission carriers for data transmission, the transmission distance can reach 350m, the broadband rate on the power lines can reach 200Mbps, the transmission requirements on large data such as audio and video data, advertisement data and the like can be completely met, the traditional elevator control cable is saved, and the use and installation cost is reduced.
In order to monitor the operation condition of the working link 32 in real time, in this embodiment, the elevator hoistway PLC data transmission device 3 further includes a protection switching detection module 34, where the protection switching detection module 34 sends heartbeat signals to the working link 32 at intervals to confirm whether the working link 32 is operating normally, and if the working link 32 is operating normally, a response signal is returned, and if the working link 32 does not return a response signal, it indicates that the working link 32 fails or fails, and then switches to the protection link 33 to perform data transmission. Further, if the interval time between the protection switching detection module 34 sending the heartbeat signal to the working link 32 is too long, the reaction time is too long to play a role of monitoring, and through repeated experiments by the technician, the protection switching detection module 34 sends the heartbeat signal to the working link 32 every 0.5s most conveniently.
Referring to fig. 4, the multimedia information distribution management system 5 is for remotely managing and distributing multimedia information, and the multimedia information distribution management system 5 includes a system management subsystem 500, a user advertisement distribution and management subsystem 501, and a terminal management and data transmission subsystem 502.
Referring to fig. 5, the multimedia information distribution terminal 6 is disposed in each elevator car, and is configured to display and play the specified program information distributed by the multimedia information distribution management system, where the multimedia information distribution terminal 6 obtains or downloads advertisement resources by using a high-speed channel laid by a PLC device in an elevator hoistway, and the multimedia information distribution terminal 6 uses an Android system platform, supports functions of playing pictures, videos, characters, and the like, and supports a storage and playing function of a local extrapolation SD card. The calling system 4 is a touch key-type calling system, triggers an event through a touch screen, transmits the calling event to an elevator control cabinet through an RS232/RS485 interface, replaces a traditional physical key-type calling mode, is integrated on the multimedia information release terminal 6, and is high in intelligent degree, and simpler, more convenient and faster to operate.
Referring to fig. 6, the invention further provides a control method of the elevator internet of things system based on the broadband data communication technology, which comprises the following steps:
step A00: registering the ID of the STU wireless data acquisition and transmission terminal 1, obtaining TMCS database initial configuration after the TMCS communication module 200 reads the configuration, sending an application server connection request to the TMCS communication module 200 by an application server, giving a connection response by the TMCS communication module 200, establishing connection by the STU wireless data acquisition and transmission terminal 1, sending a login request to the TMCS communication module 200, writing equipment related information into the TMCS database by the TMCS communication module 200, and performing login configuration synchronization by the TMCS communication module 200;
step B00: the STU wireless data acquisition and transmission terminal 1 sends an online heartbeat request to the TMCS communication module 200, and the TMCS communication module 200 sends a heartbeat response to ensure smooth communication transmission;
step C00: the TMCS communication module 200 sends a remote modification STU configuration request, the TMCS communication module 200 synchronously configures to a TMCS database, and the STU wireless data acquisition transmission terminal 1 sends a modification configuration response to the TMCS communication module 200;
step D00: the STU wireless data acquisition and transmission terminal 1 transmits data information to the TMCS communication module 200, the TMCS communication module 200 transmits the data to the application server, and the TMCS communication module 200 sends a data transmission response;
step E00: when a passenger initiates a call in the car, a call command is sent to the VOIP module 201 through a communication link established between the HAWK application module 102 and the TMCS communication module 200, and the VOIP module 201 sends a call response and automatically establishes communication links at two ends; when a monitoring center needs to check a monitoring video of a specified elevator, sending an instruction to a specified STU wireless data acquisition and transmission terminal 1 through a TMCS communication module 200, and after receiving the instruction, the STU wireless data acquisition and transmission terminal 1 acquires a video stream from a digital camera and pushes the video stream to a streaming media module 202 of a TMCS background communication service system 2, wherein the streaming media module 202 forwards the video stream to a client;
step F00: the STU wireless data acquisition and transmission terminal 1 sends a downlink request to the TMCS communication module 200, and the TMCS communication module 200 sends a downlink response.
According to the elevator Internet of things system and the control method based on the broadband data communication technology, the elevator equipment is networked, the running state of the elevator is monitored remotely in real time, the problems of the elevator can be found as soon as possible, and faults are overhauled in time; the PLC data transmission device utilizes the direct current power line to carry out data transmission, so that the data transmission efficiency and the data bandwidth are greatly improved, the transmission distance is long, the speed is high, the control cables of the traditional elevator are omitted, the number of the trailing cables is reduced, the energy consumption is reduced, and the raw materials and the construction cost are saved; the PLC data transmission device is provided with two paths of data transmission links, and is switched to the standby data transmission link to continue data transmission under the condition that the normal working data transmission link fails or fails, so that the safety and reliability of the data transmission link are ensured, and the continuity and stability of data are improved.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (8)
1. Elevator thing networking system based on broadband data communication technique, characterized by comprising
The STU wireless data acquisition and transmission terminal acquires elevator running state information output by the elevator control cabinet and packages and transmits the elevator running state information;
the TMCS background communication service system is used for carrying out real-time modification, management and synchronization on the relevant states and parameters of the STU wireless data acquisition and transmission terminal and storing and managing the information of the synchronous STU wireless data acquisition and transmission terminal;
the elevator shaft PLC data transmission device is used for carrying out data transmission on a transmission carrier;
the building wireless data communication terminal is used for connecting each building into a local wireless local area network, and transmitting elevator data among the buildings to a unified external transmission communication port through the wireless local area network;
the STU wireless data acquisition and transmission terminal, the TMCS background communication service system, the elevator shaft PLC data transmission device and the building wireless data communication terminal are in communication connection;
the STU wireless data acquisition and transmission terminal comprises a bus interface which is in physical butt joint with an elevator control cabinet, an ERMD module which is used for processing acquired data, a HAWK application module and a local area network WEB management module, wherein the ERMD module analyzes, encrypts and packages elevator data, the HAWK application module packages the reliability data packet of an RDCP protocol of the elevator data packet processed by the ERMD module, a safe data transmission channel is established by utilizing a network and a TMCS background communication service system, the data packet is transmitted to the TMCS background communication service system through the RDCP reliable transmission protocol, and a user directly carries out parameter configuration modification, state monitoring, firmware upgrading, user management, ERMD module parameter configuration and ERMD module state monitoring on the STU wireless data acquisition and transmission terminal through the local area network WEB management module.
2. The elevator internet of things system based on the broadband data communication technology according to claim 1, further comprising a call system, a multimedia information distribution management system, and a multimedia information distribution terminal.
3. The elevator internet of things system based on broadband data communication technology according to claim 2, wherein the TMCS background communication service system includes a TMCS communication module, a VOIP module, a streaming media module, a positioning module, and a management module, the TMCS communication module establishes and maintains a communication link with the STU wireless data acquisition and transmission terminal, and dynamically manages registration, login, data transmission, heartbeat detection of the STU wireless data acquisition and transmission terminal, parameter modification, and equipment firmware upgrade of the STU wireless data acquisition and transmission terminal, the management module includes a Mysql database, and the Mysql database provides a data storage space.
4. The elevator internet of things system based on broadband data communication technology according to claim 3, wherein the VOIP module is used for voice communication between a car of an elevator and an emergency call center, a communication link is established between a HAWK application module and a TMCS communication module to send a call command to the VOIP module when a call is initiated in the car, and the VOIP module automatically establishes communication links at both ends and maintains a path; the streaming media module is used for establishing a digital streaming media video streaming transmission channel between a digital camera in the elevator car and the monitoring center, the TMCS communication module sends an instruction to a designated STU wireless data acquisition and transmission terminal, the STU wireless data acquisition and transmission terminal acquires a video stream from the digital camera and pushes the video stream to the streaming media module after receiving the instruction, and the streaming media module forwards the video stream to the client; the positioning module is used for determining the current specific position of the STU terminal equipment and determining the position information by returning the longitude and latitude form.
5. The elevator internet of things system based on the broadband data communication technology according to claim 1, wherein the elevator hoistway PLC data transmission device comprises an a-end PLC access device and a B-end PLC access device connected with the a-end PLC access device, the a-end PLC access device and the B-end PLC access device are both provided with a bus interface connected with an elevator control cabinet and a car, a configuration management module and a cable transmission carrier function module for transmitting analog signals or digital signals in a carrier mode, the bus interface, the configuration management module and the cable transmission carrier function module are in communication connection, a working link is arranged between the a-end PLC access device and the B-end PLC access device, elevator operation data are transmitted between the a-end PLC access device and the B-end PLC access device through the working link, a protection link for replacing the working link to perform data transmission when the working link fails or breaks down is also arranged between the a-end PLC access device and the B-end PLC access device, and the protection link are direct-current power lines.
6. The elevator internet of things system based on broadband data communication technology according to claim 5, wherein the elevator hoistway PLC data transmission device further comprises a protection switching detection module that sends heartbeat signals to the working link at intervals to confirm whether the working link is operating properly, and switches to the protection link for data transmission when the working link fails or fails.
7. The elevator internet of things system based on the broadband data communication technology according to claim 2, wherein the multimedia information distribution management system is used for remotely managing and distributing multimedia information, and comprises a system management subsystem, a user advertisement distribution and management subsystem and a terminal management and data transmission subsystem; the multimedia information release terminals are arranged in each elevator car and are used for displaying and playing the appointed program information released by the multimedia information release management system; the calling system is integrated on the multimedia information issuing terminal.
8. A control method of an elevator internet of things system based on broadband data communication technology according to claims 1 to 7, characterized by comprising the steps of:
step A00: registering an ID of the STU wireless data acquisition and transmission terminal, acquiring initial configuration of a TMCS database after the TMCS communication module reads the configuration, sending an application server connection request to the TMCS communication module by an application server, enabling the TMCS communication module to give a connection response, establishing connection by the STU wireless data acquisition and transmission terminal, sending a login request to the TMCS communication module, writing equipment related information into the TMCS database by the TMCS communication module, and carrying out login configuration synchronization by the TMCS communication module;
step B00: the STU wireless data acquisition and transmission terminal sends an online heartbeat request to the TMCS communication module, and the TMCS communication module sends a heartbeat response;
step C00: the TMCS communication module sends a remote modification STU configuration request, the TMCS communication module synchronously configures to a TMCS database, and the STU wireless data acquisition transmission terminal sends a modification configuration response to the TMCS communication module;
step D00: the STU wireless data acquisition and transmission terminal transmits data information to the TMCS communication module, the TMCS communication module transmits the data to the application server, and the TMCS communication module sends a data transmission response;
step E00: when a passenger initiates a call in the car, a call command is sent to a VOIP module through a communication link established between the HAWK application module and the TMCS communication module, and the VOIP module sends a call response and automatically establishes communication links at two ends; when a monitoring center needs to check a monitoring video of a specified elevator, sending an instruction to a specified STU wireless data acquisition and transmission terminal through a TMCS communication module, and after the STU wireless data acquisition and transmission terminal receives the instruction, acquiring a video stream from a digital camera and pushing the video stream to a streaming media module of a TMCS background communication service system, wherein the streaming media module forwards the video stream to a client;
step F00: the STU wireless data acquisition and transmission terminal sends a downlink request to the TMCS communication module, and the TMCS communication module sends a downlink response.
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| CN111193758A (en) * | 2018-11-15 | 2020-05-22 | 西安诺瓦星云科技股份有限公司 | Display management system and maintenance method thereof |
| CN109552951B (en) * | 2018-11-30 | 2021-02-26 | 广州云犀智能科技有限公司 | Elevator digital communication system based on broadband power line carrier communication technology |
| CN109548051B (en) * | 2019-01-17 | 2024-02-02 | 泰华智慧产业集团股份有限公司 | Wireless data transmission method and terminal of Internet of things |
| CN111431762B (en) * | 2020-03-17 | 2021-06-22 | 中国人民解放军国防科技大学 | Wireless network state monitoring and displaying system |
| CN112125083A (en) * | 2020-09-08 | 2020-12-25 | 猫岐智能科技（上海）有限公司 | Terminal operation and maintenance system for elevator terminal equipment interface statistics |
| CN113301182B (en) * | 2021-05-26 | 2022-06-17 | 绵阳市维博电子有限责任公司 | Networking communication system based on PLC bus |
| CN114890260A (en) * | 2022-05-19 | 2022-08-12 | 湖州市特种设备检测研究院(湖州市电梯应急救援指挥中心) | Internet-of-things-based elevator data transmission device and transmission method |
| CN116182564B (en) * | 2023-04-26 | 2024-01-23 | 科大智能物联技术股份有限公司 | Intelligent control system for ignition furnace of sintering machine |
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