KR20200134415A - Remote elevator management system using emergency call device for PSTN base - Google Patents

Abstract

The present invention relates to a system for remotely managing an elevator based on a PSTN, which monitors and controls operation information on an elevator in real time without Internet connection using an emergency call device module for integrally processing data and a phone signal based on a PSTN. The system of the present invention comprises: an elevator; a central server connected to the elevator based on a PSTN, receiving status data from the elevator, and transmitting control data to the elevator; and a terminal having a mobile application for remotely monitoring the elevator. The elevator includes: a PSTN-based integrated collection processing device for integrating, collecting and processing internal and external contact IO and data communication information on the elevator; a speaker phone type elevator internal call device; and an elevator emergency call device for integrally processing PSTN based data and phone signal to analyze and process phone signal data. According to the present invention, communication fees and incidental expenses can be remotely managed at low costs, and the quality of safety, such as preventive maintenance and rapid dispatch for a failure of the elevator can be improved.

Description

Remote elevator management system using emergency call device for PSTN base}

The present invention relates to a public switched telephone network (PSTN)-based elevator remote management system using a data and telephone signal integrated processing emergency call device, and in particular, using an emergency call device module that integrates data and telephone signals based on the PSTN network. It relates to a PSTN-based elevator remote management system that monitors and controls elevator operation information in real time without an Internet connection.

In general, an interphone facility is provided inside an elevator so that passengers can call and call the elevator manager in case a situation where normal operation of the elevator is impossible due to equipment obsolescence or breakdown occurs. In the event of an emergency call using the intercom facility, if the operator of the elevator is absent, it is not possible to respond immediately, and there are problems such as increased anxiety of passengers in the elevator, and concerns of safety accidents.

In addition, in addition to the interphone connection with the security room or the management room in the elevator recently, an emergency call system configured to make a voice call by connecting a wired/wireless telephone and a telephone line has been introduced. The above-described emergency call system requires a separate terminal for connecting to a general telephone in addition to a terminal for connecting an interphone, which increases cost. In particular, a separate terminal must be provided for each elevator unit, resulting in a large increase in cost.

Therefore, the interphone function and the general telephone connection function are provided in one terminal, so when an emergency situation occurs inside the elevator, it is possible to make a call with the interphone of the guard room or the management room, and when certain conditions are met, it is connected to an external wired/wireless telephone to make a call. An elevator emergency call system has been developed to enable rapid response in case of an emergency.

An example of such a technique is disclosed in Patent Documents 1 to 3 below.

For example, in Patent Document 1 below, when the sensitivity of the received voice of a wired line is less than a set range, a handset unit that converts to a broadband wireless communication method to transmit and receive a voice call, and a location where the handset unit is installed during the first call of the handset unit A voice module unit that transmits an automatic voice, a broadband communication modem that transmits and receives a voice call when the handset is using a broadband wireless communication method, and the location information, speed information, and status information of the elevator to the management server and at least one set organization. An emergency call system for elevators including a WIFI modem that automatically notifies and a management server that detects an emergency situation based on the location information, speed information, and status information of the elevator and notifies at least one set organization and manager in real time. have.

In addition, Patent Document 2 below shows the elevator control panel program through authentication of access to the elevator control panel and the server of the remote management center using unique information such as elevator manufacturing number, management number, and mobile phone phone number using a mobile phone application program. A remote elevator management system using a portable terminal to safely manage elevators through efficient service management and security authentication through mobile phone app programs for downloading, system specification changes, data transmission, failure diagnosis, material ordering, and failure diagnosis. have.

On the other hand, the following Patent Document 3, as shown in Figure 1, the elevator interphone 11 installed inside the elevator, the management room interphone 12, the main server 13 and the interphone connected to the elevator interphone to perform an interphone call. Arranged between the elevator interphone and the management room interphone and connected to the elevator interphone and the management room interphone, respectively, monitors the connection status of the elevator interphone and the management room interphone, and when the elevator interphone and the management room interphone are not connected, at least one pre-stored phone number It is disclosed for a multi-connected elevator emergency call system comprising a main control unit 20 to connect a call to the elevator interphone by dialing the outside (15, 16, 17).

Korean Registered Patent Publication No. 10-1639710 (registered on July 8, 2016) Republic of Korea Patent Publication No. 10-1433363 (registered on August 18, 2014) Republic of Korea Patent Publication No. 2016-0080548 (published on July 8, 2016)

However, the remote management system of the technology disclosed in the patent literature as described above is a system that collects elevator operation information from a remote monitoring server through an Internet network and remotely manages the elevator through a PC or smartphone of a remote maintenance company. It is an efficient advanced system such as maintenance and quick breakdown, and despite legal benefits at the time of installation, the initial construction cost of the CRT monitoring group combination model or the emergency call system combination model is expensive, and communication fees and incidentals for the establishment of the Internet communication environment required for operation There was a problem that the installation rate was low due to the cost of the network device.

Therefore, the domestic elevator remote management system installation rate is about 7.6% (source from Korea Elevator Safety Management Corporation), and most of the emergency call devices already installed are low-cost, low-cost interphone types rather than telephone methods, and call quality due to noise is serious, and 5 places There was also a problem that the time and cost of installing a 2W×(4C) telephone line increased due to the emergency call multi-call regulation.

An object of the present invention has been made to solve the above-described problems, as a technology for remote management of elevators based on a telephone line (PSTN) using an integrated data and telephone signal processing module, and is a low-cost installation cost and communication fee by utilizing an existing telephone line. And it is to provide a PSTN-based elevator remote management system that can reduce costs such as auxiliary devices.

Another object of the present invention is to provide a PSTN-based elevator remote management system capable of installing an emergency call device that integrates data and telephone signals regardless of the type of elevator.

Another object of the present invention is to provide a PSTN-based elevator remote management system capable of improving safety quality such as elevator preventive maintenance and quick failure dispatch by developing low-cost remote management technology by integrating data and telephone signals.

In order to achieve the above object, the PSTN-based elevator remote management system according to the present invention is connected to an elevator and the elevator based on PSTN, a central server for receiving status data from the elevator and transmitting control data to the elevator, and the elevator. It includes a terminal equipped with a mobile app that monitors remotely, wherein the elevator is a PSTN-based integrated collection and processing device that integrates and processes internal and external contact IO and data communication information of the elevator, a speaker phone-type elevator internal call device, It includes an elevator emergency call device that integrates PSTN-based data and phone signals to analyze and process phone signal data, and the elevator emergency call device is equipped with a remote management module, and is a multitasking technology ported to FreeRTOS. It collects real-time) data, analyzes and processes operation information, and executes an emergency call capable of transmitting and receiving data with a remote monitoring server (Ethernet/WCDMA) and a telephone connection server (PSTN).

In addition, in the PSTN-based elevator remote management system according to the present invention, the central server includes a PSTN-based data collection processing device, a PSTN signal server, and a remote monitoring server, and the PSTN-based data collection processing device is the elevator through a repeater. The elevator operation information transmitted from the emergency call device is collected and processed in a PSTN method and transmitted to the remote monitoring server, and the PSTN signal server is based on Semantic Web, and in the PSTN-based data collection processing device. A virtual elevator ID is generated from the processed PSTN data, and the transmission and reception of UDP/IP (Health Check), TCP/IP (Real-Time Monitoring), and P2P (Hole punching to user) packets transmitted from the elevator are managed. To do.

In addition, in the PSTN-based elevator remote management system according to the present invention, it is characterized in that it further comprises an elevator CRT monitoring panel server capable of visually checking the status of the elevator, alarm monitoring, and control operation.

As described above, according to the PSTN-based elevator remote management system according to the present invention, by providing an elevator emergency call device that integrates PSTN-based data and telephone signals to analyze and process telephone signal data, elevator facility safety In accordance with the Management Act, it is possible to comply with the legal mandatory installation of emergency call devices (telephone lines), and in accordance with the Elevator Facility Safety Management Act, the effect that the remote management system conforms to the legal beneficiary regulations prescribed by advanced maintenance management techniques is obtained. .

In addition, according to the PSTN-based elevator remote management system according to the present invention, elevator operation information and emergency calls are managed remotely, and since the telephone network PSTN is applied, communication charges and incidental costs are managed remotely at low cost, and elevator preventive maintenance, quick The effect of improving safety quality such as trouble shooting is obtained.

1 is a block diagram of a conventional multi-connected elevator emergency call system,
2 is a block diagram of a system for remote management of a PSTN-based elevator according to the present invention;
3 is a block diagram of a communication configuration of the integrated collection and processing apparatus shown in FIG. 2;
4 is a photograph of an elevator operation information contact IO information collection board,
FIG. 5 is a block diagram showing the construction of the elevator internal communication device shown in FIG. 2;
6 is a block diagram showing the construction of the elevator emergency call device shown in FIG. 2;
7 is a photograph of the board of the elevator emergency call device,
FIG. 8 is a block diagram showing the configuration of the PSTN-based data collection processing apparatus shown in FIG. 2;
9 is a block diagram showing the configuration of the PSTN signal server shown in FIG. 2;
10 is a diagram showing the architecture and functions of the platform of the terminal shown in FIG. 2;

The above and other objects and new features of the present invention will become more apparent from the description of the present specification and the accompanying drawings.

The term "PSTN (public switched telephone network)" as used herein is a public switched telephone network operated by a public communication service provider, and may also mean a dial-up server.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings.

2 is a block diagram of a system for remote management of an elevator based on PSTN according to the present invention.

The PSTN-based elevator remote management system according to the present invention uses an emergency call device module that integrates PSTN (telephone line)-based data/telephone signals, and monitors and controls elevator operation information in real time without an Internet connection. As shown in FIG. 2, the elevator 100 and the repeater 400 are connected to the elevator 100 on a PSTN basis, and the elevator 100 receives status data and the elevator 100 It includes a central server 200 for transmitting control data and a terminal 300 having a mobile app for remotely monitoring the elevator 100.

Disaster status information such as failure and fire of the elevator 100 can be contacted to a repair company based on PSTN through the repeater 400 or repaired through the IP network through the central server 200, as shown in FIG. It is configured so that the company can perform remote monitoring.

As shown in FIG. 2, the elevator 100 is a PSTN-based integrated collection processing device 110 that collects and processes data communication information and internal and external contact IO and data communication information, and a speaker phone-type elevator internal call device 120. ), an elevator emergency call device 130, a data processing module 140, a telephone signal module 150, and a 2C signal processing module 160 that integrates PSTN-based data and telephone signals to analyze and process telephone signal data Includes.

The integrated collection and processing device 110 collects driving information and disaster information in order to store, search, and reproduce driving information of the elevator 100.

That is, the integrated collection processing device 110 recognizes the non-power contact IO signal, as shown in Figs. 3 and 4, and uses RS485, RS422, and CAN using the same line for transmission and reception through half duplex. It collects and processes each information so that it recognizes and converts TCP communication signals, and the communication network is a TCP/IP Ethernet consisting of IP (Internet Protocol), which is an Internet protocol of packet communication, and TCP (Transmission Control Protocol), which is a transmission control protocol. It is implemented by communication.

3 is a block diagram of a communication configuration of the integrated collection and processing apparatus shown in FIG. 2, and FIG. 4 is a photograph of an elevator operation information contact IO information collection board.

The elevator internal call device 120 is a low-cost telephone system, using a speaker phone method to which AEC (Acoustic Echo Cancellation) is applied, and a cancellation gain through a dual tone multi frequency (DTMF) that mixes low-frequency and high-frequency tones. As shown in FIG. 5, a speaker and a microphone, a speaker phone IC, a voice player, an MCU, a DTMF transceiver, and the like are built-in so that internal setting values such as volume and microphone volume can be adjusted.

5 is a block diagram showing the construction of the elevator internal communication device shown in FIG. 2.

The elevator emergency call device 130 is equipped with a remote management module, for example, as a multitasking technology ported to FreeRTOS, collects real-time data and analyzes operation information, and analyzes and processes remote monitoring server (Ethernet/ WCDMA) and data transmission and reception, and emergency calls that can be transmitted and received with a telephone connection server (PSTN) are executed. The elevator emergency call device 130 includes a voice player, an MCU, a DTMF transceiver, a PSTN module, and the like, as shown in FIGS. 6 and 7.

6 is a block diagram showing the construction of the elevator emergency call device shown in FIG. 2, and FIG. 7 is a board photograph of the elevator emergency call device.

The elevator emergency call device 130 may be connected to a telephone access switching network (PSTN) by interworking with the data processing module 140, the telephone signal module 150, and the 2C signal processing module 160.

As shown in FIG. 2, the central server 200 includes a PSTN-based data collection and processing device 210, a PSTN signal server 220, and a remote monitoring server 230. The central server 200 is preferably constructed to serve as a kind of web server, web service server, mobile web server, or application server.

The PSTN-based data collection and processing device 210 collects and processes elevator operation information transmitted from the elevator emergency call device 130 through the repeater 400 in a PSTN method, and transmits it to the remote monitoring server 230. As shown in Fig. 8, the data collection processing device 210 incorporates an LED, an MCU, an Ethernet chip, a DTMF transceiver, and a PSTN frequency shift keying (FSK) communication modem.

FIG. 8 is a block diagram of a device for collecting and processing data based on the PSTN shown in FIG. 2.

The PSTN signal server 220 generates a virtual elevator ID from PSTN data processed by the PSTN-based data collection and processing device 210 and transmits the data to the remote monitoring server 230. To this end, the PSTN signaling server 220 interworks with a dial-up server (PSTN) and is made based on a Semantic Web, and is transmitted from the elevator 100. Time monitoring), P2P (Hole punching to user) packet transmission and reception. As shown in FIG. 9, the PSTN signal server 220 includes a database for recording, modifying, storing, and retrieving data transmitted from the elevator 100.

9 is a block diagram showing the configuration of the PSTN signal server shown in FIG. 2.

The remote monitoring server 230 transmits remote monitoring information to a maintenance company through an IP network according to the data on the elevator 100 transmitted from the PSTN signal server 220 or 3G, 4G, 5G to the terminal 300 Remote monitoring information is transmitted through communication means such as.

The terminal 300 is a remote management smart phone applied to an elevator remote management system for monitoring and controlling real-time data information of the system for the elevator 100, as shown in FIG. 10. 10 is a diagram illustrating the architecture and functions of the platform of the terminal shown in FIG. 2.

The terminal 300 provides a standard interface through a remote management mobile app and a web.

In the terminal 300, after login, grade and security management, as shown in FIG. 9, for each elevator 100, failure reception, remote control function, floor registration status, operation status check, communication status check, etc. Functions may be provided, and may be implemented to be interlocked with the PSTN signal server 220 through a push alarm service interface.

In addition, the terminal 300 includes a smart phone, a portable terminal, a mobile terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) terminal, and a telematics device. ) Terminals, navigation terminals, personal computers, notebook computers, slate PCs, tablet PCs, ultrabooks, wearable devices, e.g., watches Type terminal (Smartwatch), glass type terminal (Smart Glass), HMD (Head Mounted Display), etc.), Wibro terminal, IPTV (Internet Protocol Television) terminal, smart TV, digital broadcasting terminal, AVN (Audio Video Navigation) ) It can be applied to various terminals such as terminals, audio/video (A/V) systems, and flexible terminals.

The terminal 300 may include a communication unit, a storage unit, a display unit, an audio output unit, a photographing unit, and a control unit.

In addition, the elevator remote management system according to the present invention may further include an elevator CRT monitoring server that can visually check the status monitoring, alarm monitoring, and control operation of the elevator 100.

As described above, according to the embodiment of the elevator remote management system using the PSTN-based emergency call device according to the present invention, a remote monitoring server (Ethernet/WCDMA) and data using an elevator emergency call device equipped with an emergency call device module It executes an emergency call capable of transmitting/receiving transmission/reception and transmission/reception with a telephone connection server (PSTN), so it is possible to monitor and control the operation information of the elevator in real time without an Internet connection.

Although the invention made by the present inventor has been described in detail according to the above embodiment, the invention is not limited to the above embodiment, and can be changed in various ways without departing from the gist of the invention.

By using the PSTN-based elevator remote management system according to the present invention, communication charges and incidental costs are managed remotely at low cost, and safety quality such as elevator preventive maintenance and quick failure dispatch can be improved.

100: elevator
200: central server
300: terminal

Claims (3)

lift,
A central server connected to the elevator based on PSTN, receiving status data from the elevator and transmitting control data to the elevator, and
It includes a terminal equipped with a mobile app for remotely monitoring the elevator,
The elevator is
PSTN-based integrated collection processing device for integrating, collecting and processing internal and external contact IO and data communication information of the elevator,
An elevator internal call device in the form of a speaker phone,
It includes an elevator emergency call device that integrates PSTN-based data and telephone signals to analyze and process telephone signal data,
The elevator emergency call device is equipped with a remote management module, and as a multitasking technology ported to FreeRTOS, it collects real-time data to analyze and process operation information, and transmit and receive data with a remote monitoring server (Ethernet/WCDMA). , PSTN-based elevator remote management system, characterized in that it executes an emergency call capable of sending and receiving a telephone connection server In claim 1,
The central server includes a PSTN-based data collection and processing device, a PSTN signal server, and a remote monitoring server,
The PSTN-based data collection processing device collects and processes elevator operation information transmitted from the elevator emergency call device through a repeater in a PSTN method, and transmits it to the remote monitoring server,
The PSTN signal server is based on a Semantic Web, generates a virtual elevator ID from PSTN data processed by the PSTN-based data collection and processing device, and UDP/IP (Health Check) transmitted from the elevator, A PSTN-based elevator remote management system, characterized in that it manages transmission and reception of TCP/IP (Real-Time monitoring) and P2P (Hole punching to user) packets. In claim 1,
A PSTN-based elevator remote management system, further comprising an elevator CRT monitoring server capable of visually checking the status of the elevator, alarm monitoring, and control operation.

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