JP2003223218A - Remote monitoring system using internet-compatible portable terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a remote monitoring system using an Internet-compatible portable terminal, in which the state of plants can be monitored and displayed at the display part of the terminal to an extent of eliminating incorrect judge ment of the monitoring data. <P>SOLUTION: In the system, there is provided a home page for monitoring the state of the plants and carrying the outputted monitoring information. A remote server is arranged for delivering signals with the Internet, and the information is carried in the home page. The monitoring information is browsed by the Internet-compatible portable terminal through the Internet. In the display part of the Internet-compatible portable terminal, the information is displayed by switching from a menu screen to an analog monitoring picture plane 34a and so on, and from the analog monitoring picture plane 32 to the picture plane 34a of analog monitoring data, thereby monitoring the state of plant. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote monitoring system using an Internet-compatible mobile terminal for monitoring the status of a plant via a communication line such as the Internet.

[0002]

2. Description of the Related Art A remote monitoring system using an Internet-compatible mobile terminal is a system for transmitting the status of a plant to the Internet-compatible mobile terminal via the Internet and monitoring the display screen of the mobile terminal. Remote monitoring systems using Internet-compatible mobile terminals include a method of transmitting monitoring data by voice and a method of transmitting monitoring data by electronic mail.

[0003]

However, in the former method of transmitting by voice, all the monitoring data must be accurately stored until the specific data is judged and evaluated. There is a limit to the amount of memory that can be stored, and this is not practical for remote management of a plant because it leads to misjudgment. The latter method of sending monitoring data by e-mail has a small amount of data for monitoring because the area of the display part of the Internet-compatible mobile terminal is limited, so it is easy to make judgment mistakes as remote management of the plant and practical It was not the target.

[0004] A person in charge of monitoring the plant has demanded a system capable of displaying monitoring data on a display unit of a portable terminal compatible with the Internet so as not to make a judgment error.

The present invention has been made to solve the above-mentioned problems, and can monitor the state of a plant with an Internet-compatible mobile terminal and display a large amount of monitoring data on the display unit of the Internet-compatible mobile terminal to the extent that judgment errors are not made. It is an object of the present invention to provide a remote monitoring system using the Internet-compatible mobile terminal.

[0006]

In order to achieve the above object, the present invention provides a remote monitoring system using an Internet-compatible mobile terminal having the following configuration.

That is, a remote monitoring system using an Internet-compatible mobile terminal according to claim 1 is a plant monitoring means for monitoring the state of the plant and outputting monitoring information,
A remote server that has a home page for posting the monitoring information, transmits / receives signals to / from the Internet, and a display that receives the monitoring information by forming a wireless line by radio waves with the Internet and receives the monitoring information. Internet compatible mobile terminal having a section, and from this menu screen to the monitoring item screen on the Internet compatible mobile terminal,
It is characterized by comprising a monitoring means for switching the screen of the monitoring item to the screen of the monitoring data and monitoring the state of the plant by the screen of the monitoring data.

According to the first aspect of the present invention, the internet compatible mobile terminal is switched from the menu screen to the monitor item screen and from the monitor item screen to the monitor data screen, and the state of the plant is displayed on the monitor data screen. Since the monitoring is performed, the state of the plant can be monitored by the Internet-compatible mobile terminal, and a large amount of monitoring data can be displayed on the display unit of the Internet-compatible mobile terminal to the extent that judgment errors are not made. Furthermore, desired monitoring data can be displayed more quickly, clearly and finely from a large number of monitoring data.

According to a second aspect of the present invention, there is provided a remote monitoring system for an Internet-compatible mobile terminal according to the first aspect, wherein the menu screen includes analog monitoring items as display selection items on the display unit. It is characterized in that an icon of a digital monitoring item is displayed.

According to the second aspect of the present invention, since the analog monitoring items and the digital monitoring items are displayed on the menu screen as the display selection items on the display unit, a large number of monitoring data are displayed.
It can be divided, and display items can be selected according to the desired monitoring data type, and monitoring can be performed on a screen that does not cause misjudgment.

According to a third aspect of the present invention, there is provided a remote monitoring system for an internet compatible mobile terminal according to the second aspect, which is displayed on the display unit when the analog monitoring item is selected from the menu screen. The displayed analog monitor screen is characterized in that a monitor item icon for selecting monitor data having an intermediate value is displayed.

According to the third aspect of the present invention, since the icon of the monitor item for selecting the monitor data having the intermediate value is displayed on the analog monitor screen, the desired monitor data is displayed on the Internet-compatible mobile terminal. Can be displayed on the department.

According to a fourth aspect of the present invention, there is provided a remote monitoring system for an internet compatible mobile terminal according to claim 2, wherein the remote monitoring system for an internet compatible mobile terminal is displayed on the display unit when the digital monitoring item is selected from the menu screen. The displayed digital monitoring screen is characterized in that a monitoring item icon for selecting monitoring data having two values is displayed.

According to the fourth aspect of the present invention, since the icon of the monitoring item for selecting the monitoring data having two values is displayed on the digital monitoring screen, the desired monitoring data can be displayed on the Internet compatible mobile terminal. Can be displayed on the department.

According to a fifth aspect of the present invention, there is provided a remote monitoring system for an internet compatible mobile terminal, wherein the remote monitoring system for an internet compatible mobile terminal according to claim 3 is displayed on the display unit when the monitor item is selected from the analog monitor screen. The displayed analog monitor data screen is characterized in that the monitor data is displayed by at least one of engineering unit display, percentage display, and bar graph display.

According to the invention of claim 5, the analog monitoring data screen displays the monitoring data in at least one of engineering unit display, percentage display, and bar graph display. Can be displayed.

According to a sixth aspect of the present invention, there is provided a remote monitoring system for an internet compatible mobile terminal, which is displayed on the display unit when a monitoring item is selected from the digital surveillance screen in the remote monitoring system for an internet compatible mobile terminal according to the fourth aspect. The screen of the digital monitoring data is a screen in which the monitoring data is color-identified and displayed on the illustration of the target equipment.

According to the invention of claim 6, since the screen of the digital monitoring data is a screen in which the monitoring information is color-identified and displayed on the illustration of the target equipment, it is possible to intuitively judge the state of the plant. it can.

According to a seventh aspect of the present invention, there is provided a remote monitoring system for an internet-compatible mobile terminal according to the first, fourth, or fifth aspect, wherein the monitoring data to be displayed on the display unit is a hierarchy. It is characterized in that it is a screen retrieved from the structure classification system.

According to the invention of claim 7, since the monitoring data to be displayed on the display unit is a screen retrieved from a hierarchical classification system, a large amount of monitoring data can be processed at high speed.
It can be displayed clearly and finely.

A remote monitoring system using an Internet-compatible mobile terminal according to claim 8 is the remote monitoring system using an Internet-compatible mobile terminal according to claim 6, wherein a failure, an abnormality, etc. are displayed on the screen of the digital monitoring data displayed on the display unit. The information is characterized by blinking display.

According to the eighth aspect of the present invention, since information such as a failure or abnormality is displayed in a blinking manner on the screen of the digital monitoring data, the information such as the failure or abnormality can be noticed first and can be monitored without being overlooked. it can.

The plant is a mechanical device, facility equipment, manufacturing factory, or the like. The mechanical device is, for example, the monitoring of a generator. The facility equipment is, for example, a water purification plant, a power receiving and transforming facility, a power plant, or the like. The manufacturing plant is the electricity that drives the plant,
It is a plant for water and various gases. The state of the plant is a value output by an electric signal measured and measured by a sensor or a meter provided at a predetermined position of the plant which is operating or operating in advance.

The monitoring information is all information displayed on the menu screen for outputting the monitoring data, the monitoring screen, and the monitoring data screen. The monitoring data is information displayed on the screen of the monitoring data, and is a measured value or a measured value of a chemical or physical item during operation or operation of a predetermined plant.

[0025]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a remote monitoring system using an Internet-compatible portable terminal of the present invention will be described with reference to FIGS. This embodiment is
It is a remote monitoring system using an Internet-compatible mobile terminal that enables monitoring of the operating state of a water purification plant facility for purifying water and sewage in a factory at a remote location via the Internet using an Internet-compatible mobile terminal, for example, a mobile phone with an electronic mail function.

This remote monitoring system using a mobile phone with an e-mail function is used in a water purification plant facility 1 which is a plant.
, A water purification plant monitoring board 2, a remote server 4, the Internet 5, and a mobile phone 6 with an e-mail function. The water purification plant facility 1 is a device for purifying the waste water of the factory into the reservoir of the water purification plant and purifying the stored water. The water purification plant monitoring board 2 is a variety of electrical monitoring information consisting of measured values such as the flow rate of the reservoir of the water purification plant facility 1, the water level of the reservoir, the water pressure of the reservoir, the chemical characteristics of the purified water, and the physical characteristics. Is a device for collecting and displaying.

The remote server 4 stores the various kinds of monitoring information from the water purification plant monitoring panel 2 and posts it on the home page of the remote server 4, and the mobile phone 6 with an e-mail function.
Is a device for searching and outputting according to the request information from.

The remote server 4 transmits / receives an electronic mail to / from the mobile phone 6 having an electronic mail function through the Internet 5 and posts a home page. The remote server 4 is provided with a mail server for sending and receiving e-mails, and a home server for posting the above-mentioned monitoring information on a home page and enabling the viewing of the monitoring information posted on the home page.

Monitoring information is posted on the homepage, and this monitoring information is displayed through the Internet 5 on the display unit of the mobile phone 6 with an e-mail function, upon request from the mobile phone 6 with an e-mail function. The email is
For example, when information such as an abnormality, a failure, an accident, or a sudden stop occurs in the monitoring information, the information is used to notify the mobile phone 6 with an e-mail function of the relevant monitoring person.

The Internet 5 is a line for communicating monitoring information and information such as e-mail between the mobile phone 6 having a large number of e-mail functions and the remote server 4, and is composed of an optical fiber.

In a predetermined operation by the person in charge of monitoring, the mobile phone 6 with a predetermined electronic mail function communicates with the remote server 4 through the Internet 5 to browse the monitoring information posted on the homepage, and the water purification plant equipment. The operating state of 1 is monitored. The mobile phone 6 with an e-mail function is equipped with a browser for browsing the monitoring information posted on the homepage. The mobile phone 6 with an e-mail function browses the monitoring information posted on the home page of the remote server 4 through the Internet 5 by the browser.

FIG. 2 shows a concrete circuit example of the water purification plant monitoring board 2, the remote server 4, and the Internet 5 shown in FIG. The water purification plant monitoring board 2 is an apparatus having a circuit in which a relay terminal board 11, a terminal circuit 12, and a display 13 are connected. The relay terminal board 11 includes a large number of relay terminals 15, 15, ...
Are arranged in an integrated manner and are a row of terminals to which monitoring information is input from the water purification plant facility 2 shown in FIG.

The terminal circuit 12 includes the relay terminals 15, 15 ...
It is a bundle of wires that are connected to each other. The display 13 is
It is for displaying that the monitoring information is input to the relay terminal 15, and is composed of a light emitting diode, a lighting tube, and the like.

The remote server 4 is shown in a concrete circuit diagram in FIG. The remote server 4 has an input circuit 22 and a CPU
A (central control unit) 23, a RAM 24, a memory 25, an output circuit 26, a display device 27 and the like are connected to a bus bar 28 and configured. The input circuit 22 is the water purification plant monitoring panel 2 of FIG.
This is a circuit to which monitoring information from is input. The CPU (central control unit) 23 controls the storage of the monitoring information in the memory 25, the reading of the monitoring information, the output of the monitoring information, etc., according to the program stored in the RAM 24.

The memory 25 stores the registrant's ID / password, monitoring information, abnormality monitoring items, messages and the like.

The ID / password of the registrant is a code associated with the name issued to the person in charge of monitoring, the supervisor of the person in charge, the person in charge of the management department of the office, and the like. The ID and password of the registrant are stored as a registrant list for determining that the person is a registrant when the person in charge of monitoring or the like remotely monitors the cell phone 6 with an electronic mail function.

Monitoring information includes menu screen 31, analog monitoring screen 32, digital monitoring screen 33, analog monitoring data screens 34a, 34b ... Digital monitoring data screens 35a, 35b ... As shown in FIGS. The monitoring information is stored in association with the data acquisition date information.

As the monitoring information, the monitoring information as shown in FIGS. 4 to 6 is stored under the control of the CPU 23. The monitoring data of each monitoring item is stored in the memory 25 separately for the analog monitoring screen 32 and the digital monitoring screen 33. The monitoring data is various data consisting of measured values such as the flow rate of the reservoir of the water treatment plant 1, the water level of the reservoir, the water pressure of the reservoir, the chemical characteristics of the treated water collected on the water treatment plant monitoring board 2. is there. The monitoring data is measured and measured every predetermined period or continuously.

The abnormality monitoring item is the CPU 2 when the monitoring data includes data exceeding a predetermined alarm set value.
It is stored in association with the data acquisition date information under the control of 3. The messages are notes, messages, and
Changes are stored.

The analog monitoring screen is a screen in which monitoring items of monitoring data having an intermediate value are displayed by icons.
The digital monitoring screen is a screen in which monitoring items of monitoring data having two values are displayed with icons. The analog monitoring data screen is a screen in which the monitoring data is displayed in characters, numbers, graphs, and the like. The screen of the digital monitoring data is a screen in which the monitoring information is displayed in an illustration and color in facility equipment and the like.

The output circuit 26 outputs the information read from the memory 25 to the remote server 4 and outputs the information to the remote server 4.
This is the circuit posted on the website of.

The display device 27 receives the information requested and instructed by the person in charge of monitoring and input to the input circuit 22, and the output circuit 26.
Is a device for displaying information output from the remote server 4 to the remote server 4. The display surface of the display device 27 is an LCD, a CRT, or the like.

In the remote server 4, the RAM 24 has a memory capacity of 32 MB, and the CPU 23 has a clock frequency of 133.
MHz, using flash memory as memory 25,
The memory capacity is 32 MB. The program software stored in the RAM 24 is as follows. Basic software OS: Linux application software PLC interface software Trend display software Power system and power display screen and display, operation software Data collection function (database) software Intranet software with alarm notification function Internet notification function (normal e-mail transmission) software

The remote monitoring of the plant by the mobile phone 6 with the e-mail function enables efficient, faster, clearer and finer monitoring by utilizing the following screen display method on the display part of the mobile phone 6. be able to. Remote monitoring of the plant by the mobile phone 6 with an email function
Switching from the menu screen to the monitor item screen and from the monitor item screen to the monitor data screen on the display unit of the mobile phone 6 with the electronic mail function is performed on the displayed monitor data screen.

The display section of the mobile phone 6 with an electronic mail function is very small compared to the display section of a personal computer, and there is a limit to the display of monitoring data, for example, about 100 full-width characters. About the display method that solved this problem
~ It demonstrates with reference to FIG. 4 to 13 show the displayed state of the mobile phone 6 with the electronic mail function.

This display method classifies the monitoring data in a hierarchical structure as shown in FIGS. 4 to 6, and efficiently, faster, clearly and finely displays it on the display unit of the mobile phone 6 with an electronic mail function. Is the way. An example of this hierarchical structure is an example of the third floor. The first layer is a menu screen 31 as shown in FIG. The second layer is an analog monitoring screen 32 on which monitoring items are displayed and a digital monitoring screen 33. The third layer is a screen on which the monitoring data of the selected monitoring item is displayed.

An example of the analog monitoring data screens 34a, 34b ... In the third layer is shown in FIG.
In the third layer, a screen 35 for digital monitoring data
An example of a, 35b ... Is shown in FIG.

The screen and the monitoring data having the hierarchical structure shown in FIGS. 4 to 6 are stored in the memory 25. In monitoring the water purification plant by the mobile phone 6 with the electronic mail function, first, the menu screen 31 of FIG. 4 is displayed on the display unit of the mobile phone 6 with the electronic mail function. In this menu screen 31,
A menu icon for displaying monitoring information is displayed. The person in charge of monitoring selects a desired menu, for example, “analog monitor” from the menu screen 31.

Next, the analog monitor screen 32 is changed and displayed on the screen of the display unit of the mobile phone 6 with the electronic mail function. The analog monitoring screen 32 is a screen on which icons of each monitoring item row are displayed. When a desired menu such as “digital monitor” is selected from the menu screen 31 in the first layer, the screen of the display unit of the mobile phone 6 with the e-mail function is changed to the digital monitor screen 33 in the second layer.

When a desired monitoring item is selected on the screen of the mobile phone 6 with electronic mail function displaying the second hierarchy, the screen of the mobile phone 6 with electronic mail function is displayed as shown in FIGS. The screen changes to the monitor data screen shown in FIG.

In FIG. 5, when the stored water flow rate of the analog monitor screen 32 is selected in the second layer, the screen of the display unit of the portable telephone 6 with the electronic mail function displays the stored water flow rate 34a in the third layer in the third layer. The flow which changes to a screen is shown. Similarly, when the reservoir water level on the analog monitor screen 32 is selected, the screen of the display unit of the mobile phone 6 with the email function in the third layer is the reservoir water level 34
The flow which changes to the screen of b is shown.

In FIG. 6, when the No. 1 water storage pump of the digital monitoring screen 33 is selected in the second layer, the screen of the display unit of the mobile phone 6 with an e-mail function is displayed in the No. 1 water storage pump in the third layer. The flow which changes to the screen of 35a is shown. Similarly, when the No. 1 blower of the digital display screen 33 is selected, the screen of the display unit of the mobile phone 6 with an email function changes to the screen of the No. 1 blower 35b in the third layer. .

The monitoring process shown in FIGS. 4 to 5 is executed by the CPU 2 by the program stored in the RAM 24 shown in FIG. 3 in response to a request from the mobile phone 6 having the electronic mail function.
3 runs.

The menu screen 31 is an icon on which the optimum items for displaying desired monitoring data are displayed. In the menu screen 31 of FIG. 4, analog monitoring is a monitoring item that outputs an intermediate value in which the data of the target monitoring item is multi-valued. Digital monitoring is a monitoring item in which the data of the target monitoring item outputs a binary value. The alarm-related data is data for issuing alarms such as abnormalities, failures, accidents, stoppages, water leaks in water distribution pipes, and short circuits in electric circuits. The alarm history of these data in time series is also included. The message is a display of notes, changes, messages, and the like.

Next, with reference to FIGS. 7 to 13, an embodiment of a system for monitoring the water purification plant of the factory by the mobile phone 6 with an electronic mail function will be described. When “analog monitor” is selected from the menu screen 31 shown in FIG. 4, the analog monitor screen 32 shown in FIG. 7 is displayed on the display unit of the mobile phone 6 with an e-mail function. Analog monitor screen 3
Reference numeral 2 is a screen on which icons of monitoring items such as the stored water flow rate, the water level of the reservoir, the stored water pressure, the pH of the purified water, and the turbidity of the purified water are displayed.

When the water level of the reservoir is selected on the analog monitor screen 32, a screen 41 of analog monitor data as shown in FIG. 8 is displayed on the display unit of the mobile phone 6 with the electronic mail function. On the analog monitoring data screen 41, the Tag number of the reservoir, the water depth of the reservoir is 5 m as a range, the current water level of the reservoir is 3.2 m, the ratio of the current water level to the water depth of the reservoir is 64.0%. The bar is also displayed so that you can see at a glance whether it is inside or outside the normal value. The “current value” of the monitoring data is large and clearly displayed in bold type.

That is, on the analog monitoring data screen 41, the current water level of the reservoir is triple-displayed with the water depth value in characters, the ratio of the water depth to the water depth in the reservoir, and the water level in figures. . In the bar display, the upper limit arrow 43, the lower limit arrow 44, and the current water level 45 are displayed on the bar 42, and color display is optimal. In this color display, for example, the bar 42 is blue representing water, the upper limit arrow 43 and the lower limit arrow 44 are red representing dangerous water levels, and the current water level bar 45 is green when the current water level bar 45 is a normal value. indicate.

When the current water level 45 exceeds the upper limit arrow 43 or the lower limit arrow 44, the water bar 45 turns red. 9 and 10 show examples of display when the upper limit arrow 43 or the lower limit arrow 44 is crossed.

FIG. 9 shows a display example when the water level is below the lower limit arrow 44. FIG. 9 shows a state in which the water level is 1.2 m, and the water level is 24.0% shallower than the water depth of the reservoir. FIG. 10 shows a state in which the water level is 3.5 m, the water level is 77.0% deeper than the water depth of the reservoir, and the bar display exceeds the upper limit arrow 43.

Since FIGS. 9 and 10 show the display when the upper limit arrow 43 or the lower limit arrow 44 is crossed, it is necessary to always display a warning. As an example of a display for informing the danger without fail, it is desirable to display the current water level bar 45, the% display in red, blink the red display portion (blink), make it bold, and simultaneously output voice. .

Although the area of the display portion of the mobile phone 6 with an e-mail function is small, since the monitoring data can be expressed more accurately and finely by displaying the data in triplicate in this way, the mobile phone 6 is provided. Allows remote monitoring of water purification plants. The display of the mobile phone 6 with an electronic mail function is, for example, engineering unit display, percentage display, bar graph display, bar graph display, pie graph display, line graph display, and the like.

When "digital monitor" is selected from the menu screen 31 shown in FIG. 4, the digital monitor screen 33 is displayed on the display unit of the mobile phone 6 with the electronic mail function. Digital monitoring screen 33, No1 water storage pump,
No2 blower, circuit breaker open / close state, motor, circle,
This is a screen on which icons for monitoring items such as triangles and pump opening / closing control are displayed.

On the digital monitor screen 33, "No
When "1 water storage pump" is selected, a screen 50 of digital monitoring data as shown in FIG. 11 is displayed on the display unit of the mobile phone 6 with an electronic mail function. In FIG. 11, the Tag number of the reservoir and the operating state of the No. 1 water storage pump are graphically displayed.

This figure is most preferably an illustration figure 51, a symbol mark or the like, which can image the water pump to be monitored. The monitoring data information is superimposed on this figure. An optimal example of superimposing the monitoring data information is color display. In this color display example, the normal operation state of FIG. 11 is displayed in red, the stopped state of FIG. 12 is displayed in green,
The state of failure in FIG. 13 is displayed in yellow.

In this embodiment, character information 52 showing the state of the water storage pump is also displayed. In FIG. 11, "in operation" indicating a normal operation state is displayed. Figure 1
In No. 2, “stopped” indicating a stopped state is displayed.
In FIG. 13, “in trouble” indicating the failure state is displayed.

In the color display, it is desirable that the illustration graphic 51 and the character information 52 are color-identified and displayed in the same color.
In particular, it is effective to use a blinking (blinking) display, a bold font, and a voice output at the same time for a display indicating that a stoppage or a failure requires attention. Another embodiment of the illustration graphic 51 and color identification display is shown in FIGS.

Next, a remote monitoring method of the plant status by the mobile phone 6 having the electronic mail function will be described with reference to the flowchart of FIG. The same parts as those in FIGS. 1 to 16 are described with the same reference numerals, and detailed description thereof will be omitted. The person in charge of monitoring who owns the mobile phone 6 with the e-mail function shown in FIG. 1 starts communication by turning on the power of the mobile phone 6 with the e-mail function connected to the Internet 5 (S-1). The person in charge of monitoring the water purification plant registers the ID and password of the mobile phone 6 with an email function (S-2).

Registered mobile phone with e-mail function 6
The person in charge of possession of the user inputs the pre-registered ID and password from the keyboard of the mobile phone 6 with the e-mail function, and transmits it via the Internet 5 (S-
3). The transmitted ID and password are received by the remote server 4, and under the control of the CPU 23 shown in FIG. 3, the registrant ID and password are sequentially read from the registrant ID and password storage unit of the memory 25 and collated. CPU23
If the matching ID and password exist, it is regarded as a registrant, and the registrant name is transmitted to the mobile phone 6 with an e-mail function via the remote server 4 and the Internet 5 and displayed.

When the ID and password do not match, the CPU 23 regards the person as an unregistered person and introduces the registration procedure (S-
5). Next, when the monitoring staff operates the execution icon, the first part is displayed on the display unit of the mobile phone 6 with an email function.
The menu screen 31 shown in FIG. 4, which is the hierarchy of, is displayed (S-6). On this menu screen 31, (S-7), select "analog monitor" (S-8).
4 is displayed on the display unit of the mobile phone 6 with an e-mail function.
The analog monitoring screen 32 shown in is displayed (S-9).
On the analog monitoring screen 32, the person in charge of monitoring selects a desired monitoring item, for example, "reservoir flow rate" (S).
-10).

As a result, the mobile phone 6 with the e-mail function
As shown in FIG. 5, the display section of No. 3 displays the stored water flow rate data 34a, which is a screen of analog monitoring data (S-
11). The person in charge of monitoring monitors the stored water flow rate data 34a (S-12). The person in charge of monitoring repeats such a process for other monitoring items in sequence on the analog monitoring screen 32 to monitor the state of the water purification plant facility 1 for all predetermined monitoring items (S-13). .

The person in charge of monitoring selects "digital monitoring" on the menu screen 31 (S-7) (S7).
-14), and the digital monitoring screen 33 shown in FIG. 6 is displayed on the display unit of the mobile phone 6 with an email function (S).
-15). On this digital monitoring screen 33, the person in charge of monitoring selects a desired monitoring item, for example, No. 1 water storage pump (S-16).

As a result, the mobile phone 6 with the e-mail function
The No. 1 water storage pump 35a, which is a screen of digital monitoring data, is displayed on the display section of (S-
17). The person in charge of monitoring monitors the No. 1 water storage pump 35a (S-18). The person in charge of monitoring repeats such a process for other monitoring items in sequence on the digital monitoring screen 33, and monitors the state of the water purification plant facility 1 for all predetermined monitoring items.

In this way, the water purification plant during normal operation is monitored. At some point, if an abnormality occurs (S-19),
The CPU 23 of FIG. 3 sends a message to the effect that abnormal data is output from the memory 25 from the mail server of the remote server 4 shown in FIG. S-20).

The person in charge of monitoring obtains the occurrence of abnormality by e-mail (S-21). The person in charge of monitoring can know the arrival of the e-mail by voice or vibration. The person in charge of monitoring who has obtained the abnormality occurrence information inputs the registrant ID and password from the mobile phone 6 with the e-mail function in the step (S
-3), the abnormality monitoring item is displayed on the display unit of the mobile phone 6 with an e-mail function. As for the abnormal data, the fact that the reservoir water level is 3, 5 m and exceeds the upper limit value 43 as shown in FIG. In this way, the person in charge of monitoring can remotely monitor the water purification plant using the mobile phone 6 with the e-mail function.

In the above-described embodiment, the water purification plant is monitored by the mobile phone with the electronic mail function. However, any mobile terminal compatible with the Internet can monitor the plant.

According to the above embodiment, the menu screen is switched from the menu screen to the monitor item screen and the monitor item screen is switched to the monitor data screen on the Internet-compatible mobile terminal, and the state of the plant is monitored on the monitor data screen. Therefore, the state of the plant can be monitored by the Internet-compatible mobile terminal, and the monitoring data that does not make a mistake can be displayed on the display unit of the Internet-compatible mobile terminal.

Further, since this monitoring system displays one monitoring item on one screen, desired monitoring data from a large number of monitoring data can be displayed more quickly, clearly and finely. Furthermore, according to the above-described embodiment, the monitoring information output by monitoring the state of the plant can be posted on the home page of the remote server 4 in real time, and this monitoring information can be browsed through the Internet by the Internet-compatible mobile terminal. In this browsing procedure, a menu screen is displayed on the display unit of the Internet-compatible mobile terminal, and a large number of monitoring items are displayed by switching from this menu screen to the analog monitoring screen and from the analog monitoring screen to the analog monitoring data screen. You can monitor the status of your plant.

Furthermore, according to this embodiment, since the monitoring information of the plant can be monitored on the display unit of the Internet-compatible portable terminal via the Internet 5, the operating status of the plant can be obtained regardless of whether it is inside the company, outside the country, or outside the country. Can be monitored in real time. In particular, even if the supervisor returns home at night, the state of the plant can be monitored from the Internet-compatible mobile terminal via the Internet 5.

Furthermore, according to this embodiment, when monitoring a plant whose status changes relatively little, the status of the plant can be monitored from the Internet-compatible mobile terminal regardless of where the person in charge of monitoring is always stationed in the control room. Can be monitored.

In the above embodiment, the water purification plant of a factory as a plant is described as a monitoring system using the mobile phone 6 with an electronic mail function. However, if the monitoring system is a monitoring system for a plant such as machinery, facility equipment, and manufacturing plants Then, the same effect can be obtained.

[0081]

According to the system of the present invention, it is possible to monitor the state of a plant with an Internet-compatible mobile terminal and display monitoring data on the display unit of the Internet-compatible mobile terminal to the extent that judgment errors are not made.

[Brief description of drawings]

FIG. 1 is a system configuration diagram for explaining an embodiment of a remote monitoring system using an Internet-compatible mobile terminal of the present invention.

FIG. 2 is a circuit connection diagram for specifically explaining the water purification plant monitoring panel of FIG.

3 is a circuit configuration diagram for explaining an embodiment of the remote server of FIG.

FIG. 4 is a diagram for explaining an example of a monitoring screen displayed on the mobile phone display unit with an electronic mail function in FIG.

5A and 5B are views for explaining an example of a display screen when analog monitoring in FIG. 4 is selected.

FIG. 6 is a diagram for explaining an example of a display screen when the digital monitor in FIG. 4 is selected.

FIG. 7 is a diagram for explaining another embodiment of the analog monitor screen of FIG.

FIG. 8 is a diagram for explaining another example of the screen of the analog monitoring data of FIG.

FIG. 9 is a diagram for explaining an example of a display screen when an abnormality is less than or equal to the lower limit value of FIG.

FIG. 10 is a diagram for explaining an embodiment of a display screen at the time of another abnormality above the upper limit value of FIG.

FIG. 11 is a diagram for explaining another embodiment of the screen of the digital monitoring data of FIG.

FIG. 12 is a view for explaining a display example when the water storage pump in FIG. 11 is stopped.

FIG. 13 is a view for explaining a display example when the water storage pump in FIG. 12 is out of order.

14 is a view for explaining another embodiment of the illustration shown in FIG.

FIG. 15 is a view for explaining another embodiment of the illustration shown in FIG.

16 is a view for explaining another embodiment of the illustration shown in FIG.

FIG. 17 is a diagram for explaining an embodiment of a remote monitoring method by the Internet-compatible mobile terminal of the present invention.

[Explanation of symbols]

1 ... Water purification plant equipment, 2 ... Water purification plant monitoring panel, 4 ... Remote server, 5 ... Internet, 6 ... Mobile phone with e-mail function, 11 ... Relay terminal board, 12 ... Terminal circuit, 13 ... Indicator, 15 ... Relay terminal, 22 ... Input circuit, 23 ... CP
U, 24 ... RAM, 25 ... Memory, 26 ... Output circuit, 3
1 ... Menu screen, 32 ... Analog monitoring screen, 33 ... Digital monitoring screen, 34a, 34b ... Analog monitoring screen,
41 ... Analog monitor data screen, 35a, 35b ... Digital monitor data screen, 50 ... Digital monitor data screen, 42 ... Bar, 43 ... Upper limit arrow, 44 ... Lower limit arrow, 45 ... Water level bar, 51 ... Illustration Graphic, 52 ... Character information.

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 5H223 AA01 AA15 BB05 DD07 EE06                 5K048 AA05 BA23 CA02 DA02 DB01                       DC01 EB12 FB05 FC02 HA01                       HA07 HA23                 5K067 AA35 BB04 BB21 DD28 FF02                       FF18 FF23 GG01 GG11

Claims (8)

[Claims] 1. A remote server which has a plant monitoring means for monitoring the status of a plant and outputs monitoring information, and a home page connected to the Internet for posting the monitoring information, and for exchanging signals with the Internet. And an Internet compatible mobile terminal having a display unit for receiving the monitoring information by forming a wireless line by radio waves with the Internet and displaying the monitoring information, and from the menu screen to the monitoring item screen on the Internet compatible mobile terminal. A remote monitoring system using an Internet-compatible mobile terminal, comprising: a monitoring means for switching from a monitoring item screen to a monitoring data screen and monitoring the state of the plant on the monitoring data screen. 2. The remote monitoring system according to claim 1, wherein the menu screen displays icons of analog monitoring items and digital monitoring items as display selection items on the display unit. . 3. An analog monitor screen displayed on the display unit when the analog monitor item is selected from the menu screen displays a monitor item icon for selecting monitor data having an intermediate value. The remote monitoring system according to claim 2, wherein the remote monitoring system is a portable terminal compatible with the Internet. 4. A monitor item icon for selecting monitor data having two values is displayed on the digital monitor screen displayed on the display unit when the digital monitor item is selected from the menu screen. The remote monitoring system according to claim 2, wherein the remote monitoring system is a portable terminal compatible with the Internet. 5. The analog monitor data screen displayed on the display unit when the monitor item is selected from the analog monitor screen is such that the monitor data is at least one of engineering unit display, percentage display, and bar graph display. The remote monitoring system according to claim 3, wherein the remote monitoring system is displayed by one means. 6. The screen of digital monitoring data displayed on the display unit when a monitoring item is selected from the digital monitoring screen is a screen in which the monitoring data is color-coded and displayed on an illustration of the target equipment. The remote monitoring system according to claim 4, wherein the mobile terminal is compatible with the Internet. 7. The remote by the Internet-compatible mobile terminal according to claim 1, wherein the monitor data to be displayed on the display unit is a screen retrieved from a hierarchical classification system. Monitoring system. 8. The remote monitoring system according to claim 6, wherein information such as a failure or abnormality is displayed by blinking on the screen of the digital monitoring data displayed on the display unit.