JP2000163121A - Remote plant monitoring device and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a remote plant monitoring device and a recording medium for monitoring the state of a plant even from a place other than the central control room of a plant without requiring any large-scaled construction such as cable installation. SOLUTION: This remote plant monitoring device is provided with a server 109 for monitoring a remote plant having a data input processing part 1091 for inputting plant monitor data, a data preserving part 1092 for preserving the plant monitor data inputted by the data input processing part 1091 by dividing the data into each category, a data transmitting part 1093 for transmitting the plant monitor data preserved in the data preserving part 1092 to a remote display terminal 112 for each category based on a request from the remote display terminal 112, and a remote data processing interface 1094 for transmitting and receiving data with the remote display terminal 112. Thus, connection with the remote device can be flexibly attained, and the monitor of a plant can be attained from anywhere. Therefore, the extension of this system can be easily attained in the remote plant monitoring device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a remote plant monitoring apparatus and a recording medium for monitoring a remote plant such as a power plant.

[0002]

2. Description of the Related Art Conventionally, there is a remote plant monitoring apparatus for monitoring the status of a remote plant as shown in FIG.

As shown in FIG. 1, a conventional remote plant monitoring device is a remote PIO (Parallel I / O) device 7.
01, plant control device 702, plant monitoring server 7
03, operator stations 704 and 705, and monitors 706 and 707.

A remote PIO device 701, a plant control device 702, a plant monitoring server 703, and operator stations 704 and 705 are connected via a network 708. The remote PIO device 701 is connected to plant equipment (not shown) and inputs plant data. The plant control device 702 controls plant equipment. The plant monitoring server 703 performs plant input and output. Operator station 70
Monitors 706 and 707 are connected to 4 and 705, respectively, and display plant data.

[0005] In the conventional remote plant monitoring device, plant equipment is controlled by a plant control device 702, and the plant is monitored by a plant monitoring server 703 and operator stations 704 and 705.

[0006]

However, in the prior art, the plant is monitored using a monitor or the like directly connected to a device that has taken in the plant information. A great deal of money and construction time was required for laying.

[0007] The present invention has been made to solve such a problem, and it is possible to monitor the status of the plant from a place other than the central operation room of the plant without large-scale construction such as cable laying. It is an object to provide a remote plant monitoring device and a recording medium.

[0008]

According to a first aspect of the present invention, there is provided a remote plant monitoring apparatus for remotely monitoring a plant, comprising the steps of: An input unit, a data storage unit that stores the plant monitoring data input by the data input unit in each category, and a plant monitoring data stored in the data storage unit based on a request from a remote device. Data transmission means for transmitting data to the remote device, and communication means for transmitting and receiving data to and from the remote device.

According to the first aspect of the present invention, the data input means (data input processing unit) inputs plant monitoring data (performance calculation data, automation data) from a plant monitoring device (plant monitoring server), and switches the plant. Control device (plant control device), input / output device (PIO device)
Input plant monitoring data from. The plant monitoring data input by the data input unit is stored in the data storage unit (data storage unit).

Since the amount of plant monitoring data stored in the data storage means is enormous, the plant monitoring data is preliminarily input and classified into categories when storing the data in the data storage means. The communication means (remote data processing interface) connects a line, transmits a menu of data to be displayed, accepts a plant monitoring data transmission request (category number), transmits plant monitoring data, and disconnects a line to a remote device. .

The communication means, when receiving the plant monitoring data transmission request, requests the data transmitting means to take out the plant monitoring data. The data transmission means extracts the plant monitoring data to be transmitted from the data storage means to the remote device based on the received category number, and passes it to the communication means. The communication means transmits the passed plant monitoring data to the remote device. The transmission of the plant monitoring data is periodically performed until the line is disconnected from the remote device.

After that, when a request for disconnecting the line is transmitted from the remote device, the communication unit issues a request to stop data extraction to the data transmission unit to stop the data extraction, and then disconnects the line.

Thus, even when the plant monitoring device (plant monitoring server) is stopped, the plant can be monitored because the data input means inputs the plant monitoring data. Even if the plant monitoring device (remote plant monitoring server) stops, the remote plant monitoring display can be performed without affecting the plant monitoring function and without performing large-scale construction such as laying cables. A remote plant monitoring device can be provided.

According to a second aspect of the present invention, there is provided a remote plant monitoring apparatus for remotely monitoring a plant, comprising: data input means for inputting plant monitoring data; and plant monitoring data input by the data input means. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data to and from the remote device, and security management means for authenticating a connection request from the remote device.

According to the second aspect of the present invention, the security management means authenticates a connection request from a remote device connected via the communication means. The security management means determines whether the remote device is a registered remote device when a connection request is received from the remote device, returns a connection permission if the remote device is registered, and sends a disconnection command if the remote device is not registered. Return to means. This makes it possible to provide a remote plant monitoring apparatus in which only authorized ones can monitor the plant.

According to a third aspect of the present invention, there is provided a remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input means for inputting plant monitoring data; and a plant monitoring data input by the data input means. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data between the remote device and security management means for authenticating a connection request from the remote device, wherein the communication means is a wireless device that covers the premises of the power plant. And

According to the third aspect of the present invention, a large-capacity and high-speed transmission can be easily performed by connecting a wireless LAN in the power plant. In addition, by combining a remote device such as a mobile terminal with a wireless LAN, a plant operator can carry a mobile terminal even when traveling around the power plant. A remote plant monitoring device capable of monitoring can be provided.

According to a fourth aspect of the present invention, there is provided a remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a plant monitoring data input by the data input unit. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data between the remote device and security management means for authenticating a connection request from the remote device, wherein the communication means transmits and receives data via a public telephone service. And

According to the fourth aspect of the present invention, the remote plant is connected to the remote plant monitoring device by using a public telephone service so that the remote plant can be monitored by a remote device such as a public terminal (telephone, PHS, mobile phone). It is possible to provide a remote plant monitoring device that can be performed from a place other than the power plant without being limited to the power plant premises.

According to a fifth aspect of the present invention, there is provided a remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input means for inputting plant monitoring data; and a plant monitoring data input by the data input means. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data to and from the remote device, and security management means for authenticating a connection request from the remote device, wherein the communication means can cooperate with a WWW server using a LAN. It is characterized in that plant monitoring data can be displayed on the WWW server.

According to the fifth aspect of the present invention, by displaying plant monitoring data in cooperation with a WWW server using an in-house LAN of a power company or the like, an existing personal computer or the like can be installed without installing a dedicated remote terminal. A remote plant monitoring device capable of monitoring a plant from a location other than the central control room.

According to a sixth aspect of the present invention, in the remote plant monitoring apparatus for remotely monitoring a plant, data input means for inputting plant monitoring data; and plant monitoring data input by the data input means. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data between the remote device, security management means for authenticating a connection request from the remote device, and plant operation for executing a plant operation by the remote device based on a plant operation command from the remote device Command means.

In the invention according to claim 6, the plant operation command means, when receiving the plant operation command from the remote device, executes the plant operation, that is, transmits the plant operation command to the plant control device and the operator in the central control room. It is possible to provide a remote plant monitoring device capable of performing a plant operation by a remotely connected remote device for transmitting to a station.

According to a seventh aspect of the present invention, there is provided a remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a plant monitoring data input by the data input unit. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data between the remote device, security management means for authenticating a connection request from the remote device, and plant operation for executing a plant operation by the remote device based on a plant operation command from the remote device Commanding means for monitoring plant operation by the remote device from the central control room. With possible, it is characterized in that the plant operation every operation can be performed based on the authorization from the central control room by the remote device.

According to the seventh aspect of the present invention, the plant operation performed by the remotely connected remote device can be monitored from the central control room, and the plant operation by the remote device is permitted one step at a time from the central control room. By receiving the information, a remote plant monitoring device capable of restricting careless operation of the plant from other than the central control room can be provided.

In a remote plant monitoring apparatus for remotely monitoring a plant, the remote plant monitoring apparatus according to the present invention is a remote plant monitoring apparatus for remotely monitoring a plant, comprising: data input means for inputting plant monitoring data; and plant monitoring data input by the data input means. Data storing means for storing the plant monitoring data stored in the data storing means to the remote device for each category based on a request from the remote device, and the remote device. Communication means for transmitting and receiving data between the remote device, security management means for authenticating a connection request from the remote device, and plant operation for executing a plant operation by the remote device based on a plant operation command from the remote device Command means, and can specify the function to be used when connecting the remote device to the line It is characterized in that.

According to the present invention, a function to be used at the time of line connection can be specified from an operator station in the central control room to monitor a remote plant and prevent unnecessary operations from being performed. Can be provided.

According to a ninth aspect of the present invention, there is provided a recording medium storing a program to be executed by a remote plant monitoring apparatus for remotely monitoring a plant, wherein the program divides the input plant monitoring data into categories. A data storage step of storing the plant monitoring data stored on the basis of a request from the remote device to the remote device for each category,
And a communication step of transmitting and receiving data to and from the remote device.

According to the ninth aspect of the present invention, the program stored in the recording medium is loaded into the remote plant monitoring device and executed, so that even if the device for monitoring the plant (plant monitoring server) is stopped. Since the data input means is inputting the plant monitoring data, the plant can be monitored, and even if the remote plant monitoring device (remote plant monitoring server) is stopped, the plant monitoring function is affected. Never give. Further, it is possible to provide a remote plant monitoring apparatus capable of performing remote plant monitoring display without performing large-scale construction such as laying cables.

[0030]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of the remote plant monitoring apparatus according to the first embodiment of the present invention.

As shown in FIG. 1, the remote plant monitoring apparatus 101 of the first embodiment includes a remote PIO device 10
2. Plant control device 103, plant monitoring server 10
4. Operator stations 105 and 106, monitor 1
07, 108, remote plant monitoring server 109, wireless LAN (Local Area Network) device 110, relay station 11
1. A remote display terminal (mobile terminal) 112 is provided. Further, the remote plant monitoring server 109 includes a data input processing unit 1091, a data storage unit 1092, a data transmission unit 1093, a remote data processing interface 10
94, and a security management unit 1095.

The remote PIO device 102, the plant control device 103, the plant monitoring server 104, the operator stations 105 and 106, and the remote plant monitoring server 109 are connected via a network 113. The remote PIO device 102 is connected to plant equipment (not shown), and inputs plant monitoring data and inputs detection signals of various sensors installed in the plant equipment. The plant control device 103 controls plant equipment. The plant monitoring server 104 performs plant input and output. Operator stations 105, 106
Are installed in the central operation room, and the monitors 107, 1
08 are connected to each other to display plant monitoring data.

In the remote plant monitoring server 109, the data input processing unit 1091 receives plant monitoring data from the plant monitoring server 104, the remote PIO device 102, and the plant control device 103. The data storage unit 1092 stores the plant monitoring data input by the data input processing unit 1091. Data transmission unit 1093
Transmits the plant monitoring data requested by the remote display terminal (mobile terminal) 112. The remote data processing interface 1094 is connected to the remote plant monitoring server 1
09 and the remote display terminal 112. The security management unit 1095 manages the connection device.

The wireless LAN device 110 transmits the plant monitoring data sent from the remote plant monitoring server 109 to the remote display terminal (mobile terminal) 112. The relay station 111 includes the wireless LAN device 110 and the remote display terminal 11
2 for relaying wireless communication. The remote display terminal (mobile terminal) 112 requests the plant monitoring data from the remote plant monitoring server 109 and displays the plant monitoring data transmitted from the remote plant monitoring server 109.

Next, the operation of the first embodiment will be described.

Now, the remote plant monitoring apparatus 101 shown in FIG.
In, the data input processing unit 1092 of the remote plant monitoring server 109 inputs plant monitoring data from the remote PIO device 102 and the plant control device 103. Further, the data input processing unit 1092 of the remote plant monitoring server 109 inputs a plant performance calculation value, control data, and the like from the plant monitoring server 104. The input plant monitoring data is stored in the data storage unit 1092 by the data input processing unit 1091.

Since the amount of plant monitoring data stored in the data storage unit 1092 is enormous, the plant monitoring data input in advance when storing the data in the data storage unit 1092 by the data input processing unit 1091 is stored in, for example, the operator station 105. 106 monitors 107 and 108
In each of the system screens to be displayed or in each of the following plant systems.

-Examples of plant systems (1) Turbine system-Water supply system-Analog input value-Contact input value-Condensate system (2) Boiler system-Fuel (3) Computer-related The required data can be transmitted in a minimum amount.

To display the plant monitoring data on the remote display terminal (mobile terminal) 112, the operator of the remote display terminal (mobile terminal) 112 uses the remote display terminal (mobile terminal) 112 to send a “display request for plant monitoring data”.
I do. At this time, the remote display terminal (mobile terminal) 11
2 first makes a line connection request to the remote data processing interface 1094 of the remote plant monitoring server 109 via the wireless LAN device 110.

The remote data processing interface 1094 of the remote plant monitoring server 109 confirms connection authentication with the security management unit 1095 by inputting a login name and a password. Security management unit 1095
When connecting to the remote display terminal, the user registers a connectable login name and password so that only the permitted terminal is connected. If the connection request is from a registered terminal, a connection permission is issued to the remote data processing interface 1094. If it is not registered, the connection is not permitted and an instruction to disconnect the line is issued.

At this time, the security management unit 1095
By transmitting the connection information of the remote display terminal to the operator stations 105 and 106, the operator stations 105 and 106 can confirm which terminal is connected.

When the remote data processing interface 1094 of the remote plant monitoring server 109 receives the connection of the line, the remote display terminal (mobile terminal) 11 transmits a transmission permission.
2 is transmitted.

Next, the remote display terminal (mobile terminal) 112 that has received the transmission permission transmits a "plant monitoring data display request". The remote data processing interface 1094 that has received the “plant monitoring data display request” passes the “plant monitoring data display request” to the data transmission unit 1093.

The data transmission unit 1093 receives the “plant monitoring data display request”, extracts data necessary for display from the data storage unit 1092, and passes it to the remote data processing interface 1094. The remote data processing interface 1094 transmits the data passed from the data transmission unit 1093 to the remote display terminal (mobile terminal) 112 via the wireless LAN device 110 and the wireless LAN. The transmission of the plant monitoring data is performed periodically until the line is disconnected from the remote display device. Thereby, it becomes possible to display the plant monitoring data from the remote display terminal (mobile terminal) 112.

Thereafter, the remote display terminal (mobile terminal) 1
When a line disconnection request is transmitted from the remote control unit 12, the remote data processing interface 1094 transmits the data
, A data retrieval stop request is issued to stop data retrieval, and then the line is disconnected.

In the first embodiment, the remote plant monitoring server 109 is installed in the remote plant monitoring apparatus, and the remote plant monitoring server 109 has the remote data processing interface 1094. Therefore, the plant can be monitored from a place other than the central control room without newly laying cables.

The wireless device to be connected can use not only a wireless LAN but also a low-power specific wireless service (in-house PHS) or the like.

As described above, according to the remote plant monitoring apparatus of the first embodiment, plant monitoring other than the central control room can be easily performed without a large-scale construction such as laying of a communication cable which has been conventionally required. Can be done. In addition, since the security check is performed at the same time when a display terminal that is remotely connected is connected, unnecessary connection of a remote terminal can be prevented.

Next, a remote plant monitoring apparatus according to a second embodiment of the present invention will be described.

FIG. 2 is a block diagram showing the configuration of the remote plant monitoring apparatus according to the second embodiment of the present invention.

As shown in the figure, the remote plant monitoring device of the second embodiment comprises a remote PIO device 102, a plant control device 103, a plant monitoring server 104, operator stations 105 and 106, a monitor 107,
108, a remote plant monitoring server 109, a gateway device 201, and a public mobile terminal 202. Further, the remote plant monitoring server 109 includes a data input processing unit 1091, a data storage unit 1092, and a data transmission unit 1
093, a remote data processing interface 1094, and a security management unit 1095.

The remote plant monitoring device according to the second embodiment has a structure including a remote PIO device 102, a control device 103, a plant monitoring server 104, operator stations 105 and 106, monitors 107 and 108, and a public The configuration is such that a gateway device 201 for connecting to a wireless telephone service and a public mobile terminal 202 for displaying plant monitoring data are installed. In the figure, reference numeral 203 denotes a public line.

Next, the operation of the second embodiment will be described.

The plant monitoring data is transmitted to the public mobile terminal 202.
The operator of the public mobile terminal 202 makes a “display request for plant monitoring data” from the public mobile terminal 202 in order to cause the display to be performed. At this time, the public mobile terminal 202 first makes a line connection request to the remote data processing interface 1094 of the remote plant monitoring server 109 via the gateway device 201. Upon receiving the line connection, the remote data processing interface 1094 transmits a transmission permission to the public mobile terminal 202. The public mobile terminal 202 that has received the transmission permission then transmits a “plant monitoring data display request” transmission.

The remote data processing interface 1094 of the remote plant monitoring server 109 that has received the “plant monitoring data display request” passes the “plant monitoring data display request” to the data transmission unit 1093. The data transmission unit 1093 receives the “request for display of plant monitoring data”, extracts data necessary for display from the data storage unit 1092, and passes it to the remote data processing interface 1094.

Remote data processing interface 1094
Transmits the data passed from the data transmission unit 1092 to the public mobile terminal 202 via the gateway device 201. Thus, the plant monitoring data can be displayed from the public mobile terminal 202.

As described above, according to the remote plant monitoring device of the second embodiment, the remote plant monitoring device is connected to the remote plant monitoring device using the public telephone service, and the remote monitoring is performed by the public terminal (telephone, PHS, mobile phone, etc.). Thus, remote plant monitoring, which is limited to the power plant premises in the first embodiment, can be performed from a site other than the power plant.

Next, a remote plant monitoring apparatus according to a third embodiment of the present invention will be described.

FIG. 3 is a block diagram showing a configuration of a remote plant monitoring apparatus according to a third embodiment of the present invention.

As shown in the figure, the remote plant monitoring device of the third embodiment comprises a remote PIO device 102, a plant control device 103, a plant monitoring server 104, operator stations 105 and 106, a monitor 107,
108, a remote plant monitoring server 109, a LAN interface 301, and a WWW (World Wide Web) viewer 302. Further, the remote plant monitoring server 109 includes a data input processing unit 1091, a data storage unit 1092, a data transmission unit 1093, a remote data processing interface 1094, and a security management unit 109.
5. It has a Web server 1906.

The remote plant monitoring device according to the third embodiment has a remote PIO device 102, a control device 103, a plant monitoring server 104, operator stations 105 and 106, monitors 107 and 108 according to the first embodiment, and a remote plant monitoring device. A web server 1906 is installed in the server 109 for plant monitoring, and W
The configuration is such that a LAN interface 301 connected to the WW and a WWW viewer 302 for displaying plant monitoring data are installed. In the figure, reference numeral 303 denotes a LAN.

Next, the operation of the third embodiment will be described.

The plant monitoring data is transferred to the WWW viewer 30
The operator of the WWW viewer 302 makes a display request of the plant monitoring data from the WWW viewer 302 in order to display the data on the display 2. At this time, the WWW viewer 302 first makes a line connection request to the remote data processing interface 1094 of the remote plant monitoring server 109. Upon receiving the line connection, the remote data processing interface 1094 transmits a transmission permission to the WWW viewer 302. Next, the WWW viewer 302 that has received the transmission permission transmits a “plant monitoring data display request”.

The remote data processing interface 1094 of the remote plant monitoring server 109 that has received the “plant monitoring data display request” passes the “plant monitoring data display request” to the web server 1096. web server 1
096 receives the “plant monitoring data display request”
Data necessary for display is taken out from the data storage unit 1092 and passed to the remote data processing interface 1094.

The remote data processing interface 1094 of the remote plant monitoring server 109 is connected to the web server 1
096 from LAN interface 3
01 to the WWW viewer 302. Thus, the plant monitoring data can be displayed from the WWW viewer 302.

As described above, according to the remote plant monitoring device of the third embodiment, the remote plant monitoring device displays the plant monitoring data in cooperation with the WWW server using the LAN in the power company, so that the dedicated remote monitoring device is displayed. Plant monitoring can be performed from an existing personal computer or the like from a location other than the central control room without installing a display terminal.

Next, a remote plant monitoring apparatus according to a fourth embodiment of the present invention will be described.

FIG. 4 is a block diagram showing a configuration of a remote plant monitoring apparatus according to a fourth embodiment of the present invention.

As shown in the figure, the remote plant monitoring device of the fourth embodiment comprises a remote PIO device 102, a plant control device 103, a plant monitoring server 104, operator stations 105 and 106, a monitor 107,
108, remote plant monitoring server 109, wireless LAN
An interface 401, a relay station 111, and a remote display terminal (mobile terminal) 112 are provided. Further, the remote plant monitoring server 109 includes a data input processing unit 109
1, a data storage unit 1092, a data transmission unit 1093, a remote data processing interface 1094, a security management unit 1095, and a plant operation command unit 1097.

The remote plant monitoring device according to the fourth embodiment has a remote PIO device 102, a control device 103, a plant monitoring server 104, operator stations 105 and 106, monitors 107 and 108 according to the first embodiment. A plant operation command unit 1097 capable of transmitting a plant operation command to the plant monitoring server 104 is provided in the plant monitoring server 109, and monitors 107, 10
8, a "remote connection screen" (FIG. 5) and a "remote plant operation screen" (FIG. 6) are displayed.

Next, the operation of the fourth embodiment will be described.

Now, the remote display terminal (mobile terminal) 11
A connection request is made from 2. At this time, the remote data processing interface 1094 of the remote plant monitoring server 109
Requests connection confirmation from the operator stations 105 and 106. When the connection confirmation is transmitted, the operator stations 105 and 106 display a remote connection screen.

On the remote connection screen, the operator in the central control room selects whether the plant can be operated or only the monitoring from the connected remote display terminal, and sends the selection to the remote data processing interface 1094 of the remote plant monitoring server 109. Send. Remote data processing interface 10
94 is a remote display terminal (mobile terminal) for the selected function.
Send to 112.

At this time, when the plant operation is permitted, a plant operation command is transmitted from the remote display terminal (mobile terminal) 112, and the plant operation command section 1097 in the remote plant monitoring server 109 is operated. And a plant operation command is transmitted to the control device 103, and the operator stations 105, 1
06, the plant operation command information is transmitted. The operator stations 105 and 106 display the received plant operation command information on a “remote plant operation screen” (FIG. 5).

Further, according to the settings on the remote connection screens of the monitors 107 and 108 of the operator stations 105 and 106 at the time of remote connection, a function for operating a plant operation command after confirmation of the central control room for each operation is provided. Two functions can be set that allow the plant operation to be performed from the remote display terminal (mobile terminal) 112 without confirmation of the central operation room. As a result, the plant operation from the remote display terminal (mobile terminal) 112 can be performed, and the operation from the remote display terminal (mobile terminal) 112 can be monitored from the central operation room.

As described above, according to the remote plant monitoring apparatus of the fourth embodiment, the operation can be performed one operation at a time by the confirmation of the operator during normal operation, and reliable operation can be performed. When it is necessary to continuously perform the operations from, the plant can be operated without confirmation from the central operation room.

[0078]

As described above, according to the present invention, data input means for inputting plant monitoring data, data storing means for categorizing and storing input plant monitoring data, and plant monitoring based on a request from a remote device Flexible connection with remote devices by installing a device (remote plant monitoring server) equipped with a data transmitting means for transmitting data to the remote device for each category and a communication means for transmitting and receiving data to and from the remote device Therefore, it is possible to monitor the plant from anywhere without laying a new cable, thereby providing a remote plant monitoring device that can easily expand the system.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a remote plant monitoring device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a remote plant monitoring device according to a second embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a remote plant monitoring device according to a third embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a remote plant monitoring device according to a fourth embodiment of the present invention.

FIG. 5 is a schematic diagram showing a remote connection screen according to a fourth embodiment.

FIG. 6 is a schematic diagram showing a remote plant operation screen according to a fourth embodiment.

FIG. 7 is a block diagram showing a configuration of a conventional remote plant monitoring device.

[Explanation of symbols]

109 remote server monitoring server 112 remote display terminal 202 public mobile terminal 302 WW
W viewer, 1091 ... data input processing unit, 1092
...... Data storage unit, 1093 Data transmission unit, 109
4. Remote data processing interface, 1095 ... Security management unit, 1096 ... Web server, 109
7. Plant operation command section.

Continued on the front page F-term (reference)

Claims (9)

[Claims] 1. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. A remote plant monitoring device, comprising: 2. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: data input means for inputting plant monitoring data; and data storage means for storing the plant monitoring data input by the data input means for each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. And a security management means for authenticating a connection request from the remote device. 3. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. And a security management unit for performing authentication in response to a connection request from the remote device, wherein the communication unit is a wireless device that covers the premises of the power plant. 4. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. And a security management unit for performing authentication on a connection request from the remote device, wherein the communication unit transmits and receives data via a public telephone service. 5. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a WWW server as a remote device; and transmitting and receiving data between the remote device. Communication means for performing, and security management means for performing authentication for a connection request from the remote device, wherein the communication means can cooperate with a WWW server as the remote device using a LAN, A remote plant monitoring device capable of displaying plant monitoring data on a WWW server . 6. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. A security management unit that authenticates a connection request from the remote device; and a plant operation command unit that executes a plant operation by the remote device based on a plant operation command from the remote device. Remote plant monitoring device. 7. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. A security management unit that authenticates a connection request from the remote device; and a plant operation command unit that executes a plant operation by the remote device based on a plant operation command from the remote device. The operation of the plant can be monitored from the central control room and the remote Remote plant monitoring apparatus characterized by the plant operation every operation can be performed based on the authorization from the central control room. 8. A remote plant monitoring apparatus for remotely monitoring a plant, comprising: a data input unit for inputting plant monitoring data; and a data storage unit for storing the plant monitoring data input by the data input unit in each category. Data transmission means for transmitting plant monitoring data stored in the data storage means to the remote device for each category based on a request from a remote device; and communication means for transmitting and receiving data to and from the remote device. A security management unit that authenticates a connection request from the remote device; and a plant operation command unit that executes a plant operation by the remote device based on a plant operation command from the remote device. Remote plant monitoring characterized by the ability to specify the function to be used when connecting to the line Location. 9. A recording medium storing a program to be executed by a remote plant monitoring apparatus for remotely monitoring a plant, the program comprising: a data storage step of storing input plant monitoring data in each category; A data transmission step of transmitting plant monitoring data stored based on a request from the device to the remote device for each category, and a communication step of transmitting and receiving data to and from the remote device. Medium.