JP2003054850A - Network control system of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a network control system of an elevator enabling to use various content information of an Internet provider connected to an Internet network, and to network directly to an elevator monitoring center even when abnormality (for example, a passenger is locked in an elevator) of the elevator occurs in case the Internet provider is down. SOLUTION: The network control system of an elevator, for providing the various content information to an inside of the elevator by connecting with the network, is provided with the Internet provider for providing the various content information, a remote monitoring center for monitoring a state of the elevator remotely, a state detecting means for detecting the state of the elevator, and a connection control means for switching a connection destination of the network to either of the Internet provider or the remote monitoring center in accordance with a detection result of the state detecting means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator network control system using an Internet network (information distribution network network).

[0002]

2. Description of the Related Art FIG. 5 is an overall configuration diagram of a conventional elevator network control system disclosed in Japanese Patent Laid-Open No. 11-228046. In this conventional example, an example using an occupied remote monitoring network is shown. In FIG. 5, the inside condition of the car in the car 3 collected by the camera 1 and the microphone 2 is transmitted to the information collecting unit 11 in the remote monitoring device 4. Remote monitoring device 4
Outputs the situation inside the car from the information collection unit 11 to the determination unit 12. The determination unit 12 determines whether or not an abnormal situation has occurred based on the situation inside the car. When the determination unit 12 determines that an abnormal situation has occurred, it outputs an abnormality occurrence signal to the communication unit 13.

The communication unit 13 outputs abnormality detection information to the remote monitoring device 4 to the monitoring center 6 and the elevator control office 7 via the communication line 5. The monitoring center 6 and the elevator management office 7 that have received the abnormality occurrence signal manually or automatically return the abnormality correspondence information according to the abnormality content. This abnormality response information can include multimedia information such as voice and video by a person in charge of the monitoring center 6 and the elevator control office 7, in addition to control information such as stop on the nearest floor and opening / closing of doors.

Next, in the remote monitoring device 4, the communication unit 13 receives the abnormality correspondence information returned from the monitoring center 6 or the elevator control office 7, and the communication unit 13 separates the abnormality correspondence information. Output to the transmission unit 14. The information separating / transmitting unit 14 transmits control information such as stop on the nearest floor and opening / closing of a door to the control device 8 of the elevator, and multimedia information such as voice and video is displayed on the display 9 and the intercom 1.
It is sent to 0 and presented in the car 3.

[0005]

As described above, the conventional elevator network control system has a network configuration using a dedicated line occupying a communication line.
Since the communication time is also charged, the burden of line usage charges was excessive. Furthermore, since the monitoring center is directly connected to the dedicated line, there is a problem that it is not possible to use various contents provided by Internet providers connected to the Internet which has been developed and expanded in recent years.

Further, for example, when remote monitoring is performed through an Internet connection via a server computer provided by an Internet provider at all times, various content information can be used and only packet data can be charged. If an elevator abnormality (for example, confinement) occurs when the server computer of is down, it is not possible to connect to the remote monitoring center and the elevator abnormality cannot be detected, which causes a problem in remote monitoring reliability. is there.

Therefore, it is conceivable that the remote monitoring center side connects to the Internet and distributes to each elevator, but it becomes necessary to install a server computer with high processing capacity in the remote monitoring center and content management at the remote monitoring center. There is also a problem that it becomes necessary to perform.

The present invention has been made in order to solve the above problems, and can utilize various contents information of an internet provider connected to the internet network, and when the internet provider is down, it is possible. Elevator malfunction (eg confinement)
It is an object of the present invention to realize a network control system for an elevator that directly connects to the elevator monitoring center via a network even when the above occurs.

[0009]

An elevator network control system according to the present invention is an elevator network control system for providing various content information in an elevator by connecting to a network, and an internet for providing the various content information. A provider, a remote monitoring center for remotely monitoring the elevator status, and status detection means for detecting the elevator status,
According to the detection result of the state detecting means, a connection control means for switching the network network connection destination to either the Internet provider or the remote monitoring center is provided.

Further, the elevator car is provided with information guide means for providing guide information, and the connection control means switches the connection line number according to the presence / absence of the abnormality according to the detection result of the state detection means, thereby detecting the abnormality. If not, connect the information guide to the Internet provider,
When there is an abnormality, the information guiding means and the state detecting means are connected to the remote monitoring center, and when the Internet provider is connected to the information guiding means, various content information is output to the information guiding means. The remote monitoring center, when connected to the information guiding means and the state detecting means, detects the detection information of the state detecting means and outputs corresponding information to the information guiding means.

Further, the elevator car is provided with information guide means for providing guide information, and the network network comprises a first network network connecting the information guide means and the status detecting means to the Internet provider, and the information. The connection means comprises a guide means and a second network for connecting the status detecting means to the remote monitoring center, and the connection control means determines whether there is any abnormality according to the detection result of the status detecting means. Connected to the first network, connected to the second network when there is an abnormality, and the Internet provider outputs various content information to the information guide when connected to the information guide. When the remote monitoring center is connected to the information guiding means and the status detecting means, the status detecting means Correspondence information by detecting detection information and outputs it to the information guidance unit.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. 1 and 2 are configuration diagrams of an elevator network control system according to the first embodiment. In FIG. 1, reference numeral 100 denotes a network control circuit A, which corresponds to the conventional remote monitoring device 4. A network switching signal 101 is output from the elevator control device 8 to the network control circuit A100. The monitoring display signal group 102 is also transmitted between the camera 1, the display device 9, the intercom 10 provided in the car 3 and the network control circuit A100. Reference numeral 200 is a conceptual display of a public line network, and 300 is a public line network 20.
0 is an internet provider, 400 is an elevator remote monitoring center also connected to the public network 200.

In the above configuration, the public line network 2
00, between the elevator and the Internet provider 300, or the elevator and the remote monitoring center 40.
Various information communication is exchanged with 0. For example, the image of the surveillance camera 1 is distributed via the public network 200 to the elevator remote monitoring center 400 via the internet browser 300, and from the internet browser 300 to the display device 9 via the public network 200. To be done. In addition, in the event of a failure such as confinement in the elevator car 3, the intercom 10 is operated by the remote monitoring center 40.
0, which allows direct communication between passengers trapped in the elevator car 3 and maintenance personnel of the remote monitoring center 400.

In particular, the present invention relates to the network control circuit A1.
00, the network between the elevator and the Internet provider 300 or the remote monitoring center 400 will be described below with reference to FIG. In FIG. 2, 103 is a signal multiplexing circuit that multiplexes or separates each monitor display signal, and 104
Is a modem for modulating / demodulating a communication signal to the band of the public line network 200, and 105 is a connection station number switching circuit for giving a line connection instruction to the modem 104.

Here, the operation of the connection station number switching circuit 105 will be described. The connection station number switching circuit 105 can change the target of the connection destination depending on the state of the elevator.
One or more station numbers are stored in the memory area. By receiving the network switching signal 101 from the elevator controller 8, the operating state of the elevator is communicated.

For example, if the normal state of the elevator is transmitted with a signal level of 0 and an abnormal state such as confinement is transmitted with a signal level of 1, if the state signal level of 0 is received from the elevator control device 8, the connection station number is changed. Switching circuit 1
05 calls the connection line number to the Internet provider 300, and the signals of the monitor display signal group 102 are transmitted via the Internet provider 300. When the status signal level 1 is received from the elevator control device 8, the connection station number switching circuit 105 causes the remote monitoring center 400 to operate.
A direct connection line number is sent to the monitor display signal group 102
Signals (especially intercom signals) are transmitted directly to the elevator remote monitoring center.

As described above, in the elevator network control system according to the first embodiment, the connection station number switching circuit 105 switches the connection station number depending on whether or not the detection result of the camera 1 / intercom 10 is abnormal. As a result, when there is no abnormality, the information guiding means is connected to the Internet provider 300, and when there is abnormality, it is connected to the remote monitoring center 400. Information of various contents of the
Even when an elevator abnormality occurs while the power is down, the elevator monitoring center 400 can be directly connected to the network.

Embodiment 2. 3 and 4 are configuration diagrams of an elevator network control system according to the second embodiment. In FIG. 3, reference numeral 500 denotes a network control circuit B, which corresponds to the conventional remote monitoring device 4 and the network control circuit A100 shown in the first embodiment. In this configuration, the network control circuit B
500 is a network switching signal 1 from the elevator
Dedicated Internet network 60 such as LAN according to 01
It is determined whether to connect to 0 or to the public network 200.

Next, this switching control will be described with reference to FIG. In FIG. 4, 106 is a communication path switching circuit that switches a network communication path by the network switching signal 101, and 107 is a network adapter that is directly connected to a network 600 such as a LAN.
Similar to the first embodiment, the communication path switching circuit 106
Can change the connection destination depending on the elevator status,
Both the connection means 104 to the public line such as a modem and the connection means to the network adapter 107 are stored in the memory area.

The network control circuit 500 receives the network switching signal 101 from the elevator control device 8 to convey the operating state of the elevator. For example, the normal elevator state signals a signal level 0, and an abnormal state such as trapping occurs. It is assumed that the information is transmitted in the level 1 state. When the status signal level 0 is received from the elevator controller 8, the communication path switching circuit 106 connects the network adapter 107 and the signal line of the monitor display signal group 102, and performs signal transmission via the Internet network 600.
That is, the signals of the monitor display signal group 102 are transmitted via the Internet network 600.

Further, when the status signal level 1 is received from the elevator control device 8, the communication path switching circuit 106.
Selects the modem 104 as the communication path, and the public line network 200
Elevator remote monitoring center 400 by connecting with
Call the direct connection line number to the monitor display signal group 10
The two signals (in particular, the intercom signal) are directly transmitted to the elevator remote monitoring center 400.

As described above, the elevator network control system according to the second embodiment has the same effects as those of the first embodiment, and the network control circuit B has the Internet network when there is no abnormality. 600
By connecting to the telephone line network 200 when there is an abnormality, even if a failure occurs in the Internet network 600 itself, directly to the elevator monitoring center 400 via the public line network 200. Can be networked.

[0023]

The elevator network control system according to the present invention switches the connection destination to either the Internet provider or the remote monitoring center according to the state of the elevator, so that the connection corresponding to the situation in the elevator car is realized. can do.

Further, the connection control means switches the connection line number according to the presence or absence of an abnormality according to the detection result of the state detecting means, so that when there is no abnormality, the information guiding means is connected to the Internet provider, and when there is an abnormality. Since it is connected to the remote monitoring center, during normal operation with no abnormality, information guidance of various contents can be guided to the inside of the elevator by the Internet provider, and if the Internet provider is down, abnormality of the elevator can be detected. If it does occur, it can be directly networked to the elevator monitoring center.

Further, the connection control means connects to the first network when there is no abnormality, and the second connection when there is abnormality.
By connecting to the above network network, even if a failure occurs in the first network network itself, it is possible to directly connect to the elevator monitoring center.

[Brief description of drawings]

FIG. 1 is a block diagram of an elevator network control system according to a first embodiment of the present invention.

FIG. 2 is a detailed diagram of a network control circuit A in the elevator network control system according to the first embodiment of the present invention.

FIG. 3 is a block diagram of an elevator network control system according to a second embodiment of the present invention.

FIG. 4 is a detailed diagram of a network control circuit B in an elevator network control system according to a second embodiment of the present invention.

FIG. 5 is a block diagram of a conventional elevator network control system.

[Explanation of symbols]

1 camera, 2 microphones, 3 car baskets, 4
Remote monitoring device, 5 communication lines, 6 monitoring center, 7 elevator control office, 8 elevator control device, 9 display device, 10 intercom, 11 information collecting unit, 12
Determination unit, 13 communication unit, 14 information separation transmission unit, 100
Network control circuit A, 101 network switching signal, 102 monitoring display signal group, 103 signal multiplexing circuit, 104 modem, 105 connection station number switching circuit, 1
06 communication path switching circuit, 107 network adapter, 200 public line network, 300 Internet provider, 400 remote monitoring center, 500 network control circuit B, 600 Internet network.

Claims (3)

[Claims] 1. An elevator network control system for providing various content information in an elevator by connecting to a network, and an internet provider for providing the various content information, and a remote monitoring center for monitoring the status of the elevator from a remote location. And state control means for detecting the state of the elevator, and connection control means for switching the network connection destination to either the internet provider or the remote monitoring center according to the detection result of the state detection means. A network control system for elevators. 2. The elevator network control system according to claim 1, further comprising: information guiding means for providing guidance information in the elevator car, wherein the connection control means has an abnormality according to a detection result of the state detecting means. If there is no abnormality, the information guide means is connected to the Internet provider, and if there is an abnormality, the information guide means and the state detection means are connected to the remote monitoring center by switching the connection line number in accordance with the above. The Internet provider outputs various content information to the information guiding unit when connected to the information guiding unit, and the remote monitoring center detects the state when connected to the information guiding unit and the state detecting unit. The detection information of the means is detected and corresponding information is output to the information guiding means. Beta of the network control system. 3. The elevator network control system according to claim 1, further comprising: information guiding means for providing guidance information in an elevator car, wherein the network network includes the information guiding means and the state detecting means on the Internet. It comprises a first network connecting to the provider and a second network connecting the information guiding means and the status detecting means to the remote monitoring center, and the connection control means is the detection result of the status detecting means. According to the presence / absence of an abnormality caused by the above, when there is no abnormality, the connection is made to the first network, when there is an abnormality, the connection is made to the second network, and the Internet provider is connected to the information guide means. Then, various content information is output to the information guide means, and the remote monitoring center Elevator network control system, characterized in that when connected to the guide means and the state detecting means corresponding information by detecting the detection information of the state detecting means for outputting to the information guidance unit.