KR100449001B1 - System for controlling elevator having remote monitoring function in a communication network - Google Patents

Abstract

The present invention establishes a built-in web server that is a System On A Chip (SoC) embedded in the controller of an elevator, and remote monitoring through a communication network to enable remote monitoring and control of the elevator at low cost through an internet communication network. Provide elevator control system with functions.

To this end, the present invention is an elevator control system having an elevator controller for performing the management and control of the operating state of the elevator, embedded in the elevator controller embedded in the elevator controller the operating state data from the elevator controller remotely via a network communication network And a remote monitoring network terminal configured to remotely monitor and control the driving state of the elevator by receiving the driving state data of the elevator controller from the embedded web server through a network communication network.

Description

System for controlling elevator having remote monitoring function in a communication network}

The present invention relates to an elevator control system having a remote monitoring function through a communication network, and more particularly, a remote monitoring through a communication network to remotely perform monitoring and status control for maintenance or inspection of an elevator through an internet communication network. An elevator control system with a function is provided.

As is well known, elevators are developed and applied to transport floors of high-rise buildings such as apartments or business buildings and to transport people and luggage.

That is, Figure 1 is a view showing the basic configuration of a general elevator, the elevator according to the drawing is a controller (2) for overall control and management of the operating state of the elevator, and a plurality of related parts such as motor and gear combined It is installed inside the hoisting machine 4 and the operating room 6 which is driven to transport the operating room 6 in which people or luggages exist in the up / down direction, and thus information on the operating direction of the elevator and the number of floors. It is comprised including the indicator 8 which displays.

The elevator configured as described above is mandatory to operate in the cab 6, so that it is absolutely necessary to manage the safe driving state and promptly check and repair the faults. Remote monitoring system has been developed and used to remotely manage the operation status and failure status of the installed elevator remotely from a separate central control station located.

That is, Figure 2 is a view showing the configuration of a conventional elevator remote monitoring system, the remote monitoring system according to the same drawing, while performing the overall operating state management and control of the elevators respectively installed in a plurality of high-rise buildings, the operation of the elevator A plurality of elevator controllers 2a to 2n for transmitting the history information to the outside, and each high-rise building having a plurality of elevator groups, exchange information with the elevator controllers 2a to 2n by short-range communication to A data communication network connected to a plurality of monitoring computer terminals 10a to 10n and monitoring computer terminals 10a to 10n for performing monitoring and operation history management, and connecting operation state data of each elevator by a telephone line. Multiple modems (12a-12n) transmitted to the center via a central control station Installed and stored the operation state data of each elevator received from the monitoring computer terminal (10a to 10n) through the modem 14, the modem 14 to receive the operation state data of the elevator via a data communication network by the sulhwa ship And a management computer terminal 18 operated by an administrator for monitoring the operation status of the elevator managed by the central control server 16 and receiving fault information. do.

However, in the conventional elevator remote monitoring system, a communication line using RS-485 communication or a dedicated leased line communication must be separately installed to exchange information between the elevator controller and each monitoring computer terminal. The need for full-time workers in charge of maintenance and management of an elevator using a computer terminal for monitoring in a complex or building, there is a problem that excessive construction and maintenance costs.

In addition, in the conventional elevator remote monitoring system because the operation state data of the elevator can be transmitted through the data network by the telephone line, there is a problem that there are various restrictions on the remote management of the elevator and the transmission of data.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to construct an embedded web server in which a system on a chip (SoC) is embedded in an elevator controller through an internet communication network. It is to provide an elevator control system with a remote monitoring function through a communication network to enable the remote monitoring and control of the elevator at low cost.

1 is a view showing the basic configuration of a general elevator,

2 is a view showing the configuration of a conventional elevator remote monitoring system,

3 is a view showing the configuration of the elevator control system with a remote monitoring function through a communication network according to the present invention,

4 is a view showing a detailed configuration of the embedded web server shown in FIG.

5A to 5E are flowcharts showing information processing flows between an embedded web server and a client-side network terminal according to a preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

20a to 20n: elevator controller, 22a to 22n: embedded web server,

24: central control server, 26: management computer terminal,

30: communication module, 32: memory module,

38: microprocessor, 40: Ethernet communication module.

According to the present invention for achieving the above object, in an elevator control system having an elevator controller for performing management and control of the operating state of the elevator, the elevator operating state from the elevator controller embedded in the elevator controller embedded Built-in web server for transmitting data to a remote place through a network communication network, and a remote monitoring network terminal for receiving the operating state data of the elevator controller from the embedded web server through a network communication network to remotely monitor and control the operating state of the elevator. It provides an elevator control system having a remote monitoring function through a communication network.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

That is, Figure 3 is a view showing the configuration of the elevator control system with a remote monitoring function through a communication network according to the present invention.

As shown in Fig. 3, the elevator control system according to the present invention comprises a plurality of elevator controllers 20a to 20n each having embedded web servers 22a to 22n system-on-chip installed in an embedded type, and an internet communication network. , A central control server 24, and a management computer terminal 26.

In the same figure, the plurality of elevator controllers 20a to 20n are for carrying out overall operation management and control of each elevator, and the plurality of embedded web servers 22a to 22n are used for each elevator controller 20a to 20n. Embedded on-chip system embedded on the inside, using the built-in Linux (system) as a program for operating the operating state data of the elevator generated from the elevator controller (20a to 20n) via the Internet communication network, In accordance with the upgrade command from the central control server 24 through the Internet communication network to upgrade the software program for driving the function to be monitored and controlled.

Here, each of the embedded web servers 22a to 22n receives various driving state data from each elevator controller 20a to 20n and provides them to the central control server 24 in the form of an HTML file through an internet communication network. In addition, the abnormality notification information corresponding to the abnormality occurrence of the elevator controllers 20a to 20n is transmitted to the central control server 24 in the form of e-mail data.

Further, each of the embedded web servers 22a to 22n is given a unique Internet Protocol address, and can serve to monitor and control the operation status of the elevator controllers 20a to 20n. It has web information of HTML file.

In the figure, the central control server 24 communicates with the embedded web servers 22a to 22n via an internet communication network, and then from the elevator controllers 20a to 20n from each of the embedded web servers 22a to 22n. Receives the operation status data of each elevator generated, monitors and controls the operation status, and receives the e-mail file notifying the abnormal status of the elevator from the built-in web servers 22a to 22n through the Internet communication network. The terminal 26 is notified of the abnormality occurrence state.

In addition, the management computer terminal 26 provides an HTTP client function and an execution function of a Java program to receive HTML files from the respective embedded web servers 22a to 22n through the central control server 24. With the built-in web browser program, the central control server 24 to monitor the normal operation status and abnormality of the elevator located in the remote location.

4 shows a detailed configuration of the embedded web server shown in FIG. 3, wherein each of the embedded web servers 22a to 22n includes a communication module 30, a memory module 32, and a microprocessor ( 38) and an Ethernet communication module 40.

In the same figure, the communication module 30 performs data communication with each of the elevator controllers 20a to 20n in an RS232 / 485 manner to perform data transmission and reception.

The memory module 32 is a driving software program for driving the corresponding embedded web servers 22a to 22n. The ROM 34 stores a real-time operating system (RTOS) or an embedded Linux program. (ROM) and a RAM 36 (RAM) for storing driving state data received from the elevator controllers 20a to 20n or temporarily storing operation data according to Internet communication.

The ROM 34 includes a program for a web server driven by a Hyper Text Transfer Protocol (HTTP) based on a communication protocol of TCP / IP, and a Simple Mail Transfer Protocol (SMTP). Program for mail server running, program for virtual terminal driven by Telnet, and file transfer server program driven by File Transfer Protocol (FTP) are stored to enable Internet service and real-time operation The control program using the system (RTOS) or embedded Linux is stored.

In addition, the microprocessor 38 runs the software program for internet communication stored in the ROM 34 to drive the operation state data of the elevators received from the elevator controllers 20a to 20n through the communication module 30. Based on the internal state of the elevator, the operating floor, the driving direction, the number of passengers, the driving speed, and the like), and generates HTTP protocol data and transmits it to the central control server 24 through the Internet communication network. Detecting the abnormal occurrence state of the elevator controller (20a to 20n) and performs a control process for transmitting the e-mail data including information such as the failure code to the central control server (24).

The Ethernet communication module 40 is connected to the Internet communication network through an Ethernet local area network consisting of a transmission medium of 10BASE-T, and transmits data according to the control process of the microprocessor 38. .

Next, the operation of the present invention made as described above will be described in detail with reference to the flowcharts of FIGS. 5A to 5E.

First, with reference to the flowchart of FIG. 5A, the authentication procedure at the time of connection from the central control server 24 and the management computer terminal 26 to the embedded web servers 22a to 22n via the Internet communication network will be described in detail.

That is, the microprocessor 38 of the specific embedded web server 22a, among the plurality of embedded web servers 22a to 22n respectively installed in the plurality of elevator controllers 20a to 20n located at a remote place, is configured for management as an HTTP client. The computer terminal 26 determines whether the connection is made through the Internet communication network (step S10). If it is determined that the communication connection is being made through the central control server 24 in the management computer terminal 26. In accordance with the input operation of the client, a procedure for checking the user number (ID) and the password (PW) is performed (step S11).

In this state, the microprocessor 38 of the embedded web server 22a determines whether the user authentication has been performed based on the result of checking the user number and password, and if it is determined that the user authentication has not been performed (step S12). NO) to transmit the web information for notifying the user authentication failure to the central control server 24 (step S13).

However, if it is determined that the authentication of the user is successful according to the determination result of step S12, the main HTML page information is transmitted as web information for monitoring and controlling the elevator controller 20a (step S14), and the Internet communication network The web service of monitoring and control through the process proceeds (step S15).

Next, with reference to the flowchart of FIG. 5B, the operation | movement which informs of abnormality occurrence remotely at the time of elevator abnormality is demonstrated in detail.

First, the microprocessor 38 of the specific embedded web server 22a communicates with the elevator controller 20a through the communication module 30 to determine whether the communication result is normal (step S20).

As a result of the determination, if it is determined that the communication result with the elevator controller 20a is not normal, the microprocessor 38 of the embedded web server 22a determines that an abnormality has occurred in the communication state with the elevator controller 20a. (Step S21), by operating the mail server program stored in the ROM 34 of the memory module 32, an e-mail message for notifying of an abnormal state is generated and transmitted to the central control server 24 through the Internet communication network. (Step S22).

Accordingly, the central control server 24 receives the abnormality notification mail data from the embedded web server 22a received through the Internet communication network, and notifies the computer terminal 26 for management, and the administrator controls the elevator controller. It is possible to detect that an abnormality occurs in the communication state for the monitoring of 20a.

On the other hand, when it is determined that the communication state with the elevator controller 20a is normal in the microprocessor 38 of the embedded web server 22a according to the determination result of step S20, the operating state of the elevator from the elevator controller 20a. Data is received (step S23), and the driving state data is transmitted to the central control server 24 as monitoring panel data (step S24).

In this state, the embedded web server 22a analyzes the driving state data received from the elevator controller 20a, and provides the information according to the analysis result as an HTTP service (step S25).

On the other hand, the microprocessor 38 of the embedded web server 22a determines whether an abnormality has occurred in the running state of the elevator as a result of the analysis of the driving state data (step S26).

If the microprocessor 38 of the embedded web server 22a determines that an abnormality has occurred in the elevator through the elevator controller 20a, the microprocessor 38 proceeds to step S22 to notify the abnormality occurrence state. A mail message is created and transmitted to the central control server 24 through the Internet communication network.

Next, an operation for changing the operation structure of the elevator controller will be described in detail with reference to the flowchart of FIG. 5C.

First, the specific embedded web server 22a is connected to the central control server 24 via an internet communication network, and the elevator is controlled by the central control server 24 via a management computer terminal 26 operated by an administrator. It is judged whether or not the request for changing the operation structure such as the operation control operation of the controller 20a or the operation time adjustment is performed (step S30).

As a result of the determination, if it is determined that the management computer terminal 26 is making a request for changing the operation structure of the elevator controller 20a through the central control server 24, the management computer terminal 26. The process of checking the user number and password given for the step is performed (step S31), and when the user authentication is made by the user number and password, the web for the structural changes made from the management computer terminal 26 Information data is received (step S32).

In this state, the microprocessor 38 of the embedded web server 22a transmits the structure change information received from the central control server 24 through the Internet communication network through the communication module 30 to the elevator controller 20a. (Step S33).

On the other hand, the microprocessor 38 of the embedded web server 22a determines whether or not to authenticate the contents of the structural change by the information of the structural change received from the elevator controller 20a (step S34).

As a result of the determination, when it is determined that the authentication information for the structural change is received by the elevator controller 20a, the microprocessor 38 of the embedded web server 22a receives the corresponding structural change. Completion information for notifying completion of the transmission is transmitted to the central control server 24 (step S35).

Next, the operation of the supervisor mode will be described in detail with reference to the flowchart of FIG. 5D.

First, in the microprocessor 38 of the specific embedded web server 22a, the management computer terminal 26 is connected to the Internet through the central control server 24 in a state in which the central control server 24 is connected to the Internet via a network. It is determined whether to set the supervisor mode on the web (step S40).

As a result of the determination, if it is determined that the supervisor mode is set in the management computer terminal 26, the microprocessor 38 of the embedded web server 22a is configured to perform the remote monitoring that is created from the management computer terminal 26. HTML content representing the item is received (step S41).

In addition, the microprocessor 38 of the embedded web server 22a allows the addition / modification / deletion of an e-mail address given to the person to whom the e-mail is to be sent according to the input operation of the management computer terminal 26. (Step S42), an operation for adjusting the grade of the user who uses the embedded web server 22a is performed (step S43).

Next, an operation for upgrading the software program used in the elevator controllers 20a to 20n and the embedded web servers 22a to 22n will be described in detail with reference to the flowchart of FIG. 4E.

First, in a specific embedded web server 22a among a plurality of embedded web servers 22a to 22n, it is determined whether or not a program upgrade command is received from the central management server 24 by an administrator operation of the management computer terminal 26. (Step S50).

As a result of the determination, if it is determined that the upgrade command of the program is received from the central management server 24, a procedure of confirming the user number and password assigned to the administrator of the management computer terminal 26 is performed (step). S51).

In this state, the microprocessor 38 of the embedded web server 22a determines whether user authentication has been performed by determining whether user authentication has been performed (YES in step S52), and the management computer terminal 26 In step S53, it is determined whether the upgrade command from &quot;) is an upgrade command for the program of the elevator controller 20a.

As a result of the determination, when the microprocessor 38 of the embedded web server 22a determines that the upgrade command of the management computer terminal 26 is an upgrade command for the program of the elevator controller 20a, the memory module By preparing the file transfer server program stored in the ROM 34 of 32, transfer preparation by the file transfer protocol (FTP) is performed (step S54).

In this state, the microprocessor 38 of the embedded web server 22a judges whether or not the central control server 24 is connected by the file transfer protocol (FTP) (step S55).

As a result of the determination, when the central control server 24 determines that the connection by the file transfer protocol (FTP) is made, the software program used in the elevator controller 20a is transferred from the central control server 24 to the file transfer protocol ( FTP) is transmitted (step S56), and the received software program is transmitted to the elevator controller 20a via the communication module 30 (step S57).

Accordingly, the elevator controller 20a can execute the upgrade by the software program received from the embedded web server 22a (step S58).

On the other hand, according to the determination result of the step S53, in the microprocessor 38 of the embedded web server 22a, it is determined that the upgrade command of the management computer terminal 26 is not a command for upgrading the elevator controller 20a. If so, it is determined whether the upgrade command is a command for upgrading the web server 22a (step S59).

As a result of the determination, when the microprocessor 38 of the embedded web server 22a determines that the upgrade command of the management computer terminal 26 is a command for upgrading the program of the web server 22a, the memory The file transfer server program stored in the ROM 34 of the module 32 is executed to prepare for transfer by the file transfer protocol (FTP) (step S60).

In this state, the embedded web server 22a judges whether the central control server 24 has made an Internet connection using the file transfer protocol (FTP) (step S61).

As a result of the determination, when the central control server 24 determines that the connection by the file transfer protocol (FTP) is made, the microprocessor 38 of the embedded web server 22a through the Ethernet communication module 40 The software program transmitted from the central control server 24 is received (step S62), and the upgrade of various server programs stored in the ROM 34 of the memory module 32 is performed by the received software program (step S62). S63).

On the other hand, if the central control server 24 determines that the connection by the file transfer protocol (FTP) was not performed according to the determination result of the step S55 and step S61, the timeout is determined by the determination of the step S64 It is determined whether the connection is made or not, and whether or not the connection by the file transfer protocol (FTP) is made continuously.

It is a matter of course that the present invention having the above-described embodiments can be variously modified and implemented without departing from the technical spirit of the present invention without departing from the embodiments.

As described above, according to the present invention, it is possible to build a built-in web server applying the embedded embedded processor technology to the controller of the elevator, it is possible to build a web server at a low cost as well as no need for a separate elevator manager burden It is possible to reduce the number and the effect of building an embedded web server regardless of the type and location of the controller without limiting the installation environment.

Claims (6)

In an elevator control system having an elevator controller for performing management and control of the operation state of the elevator, Embedded in the elevator controller to transmit the driving state data of the elevator from the elevator controller to a remote place through a network communication network, and according to the web information of the structural change contents related to the operation of the elevator transmitted through the network communication network. A built-in web server for changing the operation structure of the operation of the elevator controller; And The abnormality occurred in the operation of the elevator by remotely monitoring the operation state of the elevator based on the operation state data of the elevator transmitted from the embedded web server through the network communication network. If determined, including a remote monitoring network terminal for remote control to change the operation structure of the operation of the elevator controller via the embedded web server, The embedded web server, A communication module connected to the elevator controller to perform data transmission / reception with the elevator controller; A memory module for storing a software program including a control program having a built-in Linux operating system, a program for a web server based on the Internet protocol, and a file transfer server program driven by FTP; The software program of the memory module is driven to perform the control to transmit the driving state data of the elevator to the remote monitoring network terminal in the form of HTTP data, and the software program from the remote monitoring network terminal by driving a file transfer server program. A microprocessor configured to perform a control for upgrading a software program of the embedded web server and the elevator controller; And And an Ethernet communication module connected to the network communication network via Ethernet to transmit HTTP data on the operation state of the elevator to the remote monitoring network terminal through the network communication network. delete The method of claim 1, When the microprocessor detects an abnormality in the communication abnormality and operation state of the elevator controller, the microprocessor transmits the notification of the abnormality occurrence as e-mail data to the remote monitoring network terminal. Equipped elevator control system. delete delete The method of claim 1, The embedded web server has a remote monitoring function through the communication network, characterized in that the addition, modification, deletion of the HTML content and mailing list is made at the request of the remote monitoring network terminal, and adjust the user's rating. Elevator control system.