JP2014092953A - Monitoring server and monitoring control system using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitoring server capable of reducing possessed data amounts for a playback reproduction function.SOLUTION: A monitoring server includes: a document history database 12 for recording the state data of monitor object devices 31 and 32 at a fixed point of time; and an operation history database 11 for recording the state data in state change of the monitor object devices 31 and 32. A playback function management part 15 allows an operation terminal 2 to display the playback reproduction screen of the states of the monitor object devices 31 and 32 about the date designated by an operation terminal 2, and when the state data on the date designated by the operation terminal 2 are not present in the document history database 12, performs the playback reproduction of the states of the monitor object devices 31 and 32 on the designated date by using the state data of the document history database 12 at the previous fixed point of time and the state data in the state change of the operation history database 11 since the previous fixed point of time until the designated date.

Description

  The present invention relates to a monitoring server that monitors and controls various facilities such as roads, rivers, and buildings, and has a playback reproduction function, and a monitoring control system using the same.

In the conventional monitoring system, the status of each monitored device and the current value of the input value / set value are monitored, as well as the status change and input / output value change that occurred in the past using the history / form function. The mainstream offers a function to check the history.
Under such circumstances, Patent Document 1 proposes a playback reproduction function, and the past state is reproduced not only on the display function based on the history and form function, but also on the monitoring graphic screen for visual confirmation. It has been proposed to be able to do so.
This makes it possible to re-verify the state of the monitoring target device when a trouble occurs or to use it as educational material when a similar problem occurs again.

Japanese Unexamined Patent Publication No. 2003-50622 (pages 6-8, FIG. 1)

The “playback reproduction function” in the conventional monitoring and control system reproduces data based on all the states saved for reproduction, and reproduces the information of various operations performed from the terminal from the operation history information. Display was in progress.
However, in order to reproduce the past state of each device, it is necessary to hold information on all states at fine intervals, and the amount of data to be saved increases, so it is necessary to secure a large data storage area of the server. there were.

  The present invention has been made to solve the above-described problems, and an object thereof is to obtain a monitoring server capable of reducing the amount of retained data for the playback reproduction function and a monitoring control system using the same. .

  In the monitoring server according to the present invention, a monitoring server having a playback reproduction function for reproducing a past state, a scheduled history database that records state data of the monitoring target device at a fixed time point, a state change of the monitoring target device With reference to the change history database that records the state data of the hour, the scheduled history database, and the change history database, a playback function unit that performs playback reproduction of the state of the monitoring target device for the date and time specified by the operation terminal, When the status data of the specified date / time is not in the scheduled history database, the playback function unit will check the status data of the scheduled history database at the previous scheduled time and the date / time between the previous scheduled time and the specified date / time. Using the status data at the time of status change in the change history database, the playback at the specified date and time is performed. And performs reproduction.

According to the present invention, a monitoring server having a playback reproduction function for reproducing a past state, a scheduled history database that records state data of a monitoring target device at a fixed time, a state at the time of a state change of the monitoring target device With reference to the change history database in which the data is recorded, the scheduled history database, and the change history database, a playback function unit that performs playback reproduction of the state of the monitoring target device for the date and time designated by the operation terminal is provided. If the status data of the specified date and time is not in the scheduled history database, the status data of the scheduled history database at the previous scheduled time and the change history database from the previous scheduled time to the specified date and time The playback of the specified date and time is performed using the state data at the time of the state change. It is possible to reduce the holdings data amount for Ibakku reproduction.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the structure of the operation history database of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the structure of the document log | history database of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the playback function operation screen of the operation terminal of the monitoring control system by Embodiment 1 of this invention. It is a flowchart which shows the process at the time of playback reproduction by the monitoring server side of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the playback function operation screen of the operating terminal of the monitoring control system by Embodiment 2 of this invention. It is a figure which shows the structure of the playback reproduction function management database of the monitoring control system by Embodiment 3 of this invention. It is a block diagram which shows the monitoring control system by Embodiment 4 of this invention. It is a block diagram which shows the monitoring control system by Embodiment 5 of this invention.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram showing a monitoring control system according to Embodiment 1 of the present invention.
In FIG. 1, the monitoring control system includes monitoring target devices 31 to 32 that are monitored by the monitoring control system, a monitoring control server 1, and an operation terminal 2 on which a user operates.
The monitoring control server 1 is configured as follows.
The operation history database 11 (change history database) records settings and control operations used to provide the history function, and state changes of all signals from the monitoring target devices 31 to 32. The form history database 12 (scheduled history database) records the state at the scheduled time by the form function. The current data management unit 13 processes data received from the monitoring target devices 31 to 32 through communication. The operation terminal management unit 14 performs communication management with the operation terminal 2. The playback function management unit 15 (playback function unit) performs a monitoring server side management process of the playback function.
The monitoring terminal 2 has a playback function operation screen 21 for operating playback reproduction, a history function operation screen 22 for operating the history function, and a form function operation screen 23 for operating the form function. .

FIG. 2 is a diagram showing the structure of the operation history database of the monitoring control system according to Embodiment 1 of the present invention.
In FIG. 2, the item of the signal and its changed state are shown for each time.

FIG. 3 is a diagram showing the structure of the form history database of the monitoring control system according to Embodiment 1 of the present invention.
In FIG. 3, the time at a fixed time is taken in the vertical direction, and the signal items are taken in the horizontal direction, and each intersection shows a state at the fixed time.

FIG. 4 is a diagram showing a playback function operation screen of the operation terminal of the monitoring control system according to the first embodiment of the present invention.
In FIG. 4, on the playback reproduction screen 211, the analog amount is displayed on the monitoring target devices 31 and 32 displayed as symbols. As a playback function operation screen 21 for performing a reproduction display on the playback reproduction screen 211, a time input unit 212 for inputting a time for setting a reproduction time, a setting unit 213 for setting a reproduction time, and a reproduction time are advanced. A time advance button 214 and a stop button 215 for stopping reproduction are provided.

Next, the operation will be described.
First, in a normal operation state, when a change in the state of an input signal from the monitoring target devices 31 to 32 occurs, the operation history database 11 is communicated via the current data management unit 13 of the monitoring server 1 by communication. Is recorded together with information on the time of occurrence of the state change.
Further, the state of the input signal is recorded in the history form database 12 at a fixed time such as every 10 minutes or every hour.
The information indicating the status of these monitoring target devices can be monitored by the operation terminal 2, and the requests from the history function operation screen 22 and the form function operation screen 23 are respectively stored in the operation history database 11 and the form history database 12. By referring to the contents, the past state can be displayed.
Further, when an operation such as control is performed from the operation terminal 2, the operation content is recorded in the operation history database 11 via the operation terminal management unit 14 and the like, and a control request is sent to the monitoring target devices 31 to 32. Is transferred and control is executed.

Next, an operation when the playback reproduction function is started on the operation terminal 2 will be described with reference to FIG. FIG. 5 is a flowchart of the operation on the monitoring server side.
In order to start the playback reproduction function from the operation terminal 2, when the reproduction function operation screen 21 designates the date and time for starting reproduction and makes a start request to the playback function management unit 15 of the monitoring server 1, the monitoring server 1 1 receives this (S11). The playback function management unit 15 of the monitoring server 1 searches the form history database 12 (S12), and extracts all state data (S13, S19) of the reproduction date and time or all state data immediately before the reproduction date (S13, S13). S14) The playback reproduction screen 211 is generated. At this time, it should be noted that the date and time of the data included in the form history database 12 does not necessarily match the reproduction date and time.

  Next, the status data of the input / output signal generated between the date / time acquired from the form history database 12 in step S14 and the reproduction date / time is acquired from the operation history database 11 (S16, 17), and the status data acquired in step S14. Are merged (S18) and reflected in the playback reproduction screen 211 to generate the playback reproduction screen 211 of the reproduction date and time requested from the operation terminal 2 and respond to the operation terminal 2 (S20).

  Thereafter, by using the playback function operation screen 21 of the operation terminal 2, reproduction is performed using the state data of the operation history database 11 as time passes on the reproduction screen, and the reproduction time is held in the form history database 12. In the case of time, it is reproduced using all state data retrieved from the form history database 12.

  According to the first embodiment, it is possible to reproduce a screen of a time zone that is not held in the form history database by utilizing the operation history database even when reproducing the state of the input / output signal as described above. Therefore, it is no longer necessary to store history data of all states at fine time intervals for the playback reproduction function, which can contribute to reduction of data storage capacity.

Embodiment 2. FIG.
FIG. 6 is a diagram showing a playback function operation screen of the operation terminal of the monitoring control system according to the second embodiment of the present invention.
In FIG. 6, 211 to 215 are the same as those in FIG. In FIG. 6, a time interval setting button 216 for setting a time interval for fast forwarding, a frame advance button 217, and a fast forward button 218 are provided.

In the first embodiment, the elapsed time on the playback reproduction screen 211 is assumed to be real time. However, in an actual operation, fast forward of the time or frame advance is required.
Therefore, in the second embodiment, a time interval setting button 216, a frame advance button 217, and a fast forward button 218 are provided on the playback function operation screen 21 of the operation terminal 2 as buttons for adjusting the progress speed.
As shown in FIG. 6, for fast-forwarding, the fast-forward button 218 and the time interval setting button 216 are used to adjust the reproduction time information requested to the playback function management unit 15 of the monitoring server 1, while The playback reproduction screen 211 can be reproduced at an arbitrary speed by reproducing the playback by one change unit of the state change registered in the operation history database 11 using the frame advance button 217. As a result, the needs of the user can be met and convenience is improved.

  In addition, based on the data operation history information, mouse operation history information is superimposed on each operation button on the playback function operation screen 21 when reproducing on the playback reproduction screen 211, and past cases are represented. This is a visual representation of the order in which the operations were performed in order to use as a training material for operations.

According to the second embodiment, the playback reproduction screen can be reproduced at an arbitrary speed, the user's needs can be met more, and convenience is improved.
In addition, since the past cases are used as educational materials for operations, the order in which the operations are performed is visually expressed, so that it is possible to add value as educational materials.

Embodiment 3 FIG.
FIG. 7 is a diagram showing the structure of the playback reproduction function management database of the monitoring control system according to the third embodiment of the present invention.
In FIG. 7, a playback reproduction function management database (playback management database) is added to the monitoring server 1, and in this playback reproduction function management database, a keyword name for playback reproduction and its reproduction time are paired. Storing. In addition, the operation terminal 2 is provided with a call screen that is formed from a playback reproduction function management database and includes a keyword name that is easy for a user to remember and a target date and time (reproduction time).

In the first embodiment, it is necessary to directly specify the playback start time. However, it is assumed that the time to be reproduced is often a specific time at which a special phenomenon occurs. In this case, it is not easy for the user to remember and specify the start time every time.
Therefore, in the third embodiment, a playback reproduction function management database shown in FIG. 7 is added, and a keyword name related to a special phenomenon that is easy for a user to remember and a target date and time (reproduction time) are set. A call screen is added to the operation terminal 2.
When the user selects the number of the calling screen on the operation terminal 2, playback of the keyword name corresponding to the number is reproduced.

  According to the third embodiment, a playback reproduction function management database is added, and by adding a call screen in which a keyword easy to be remembered by a user and a date and time of the target are added, the user can further reproduce the playback reproduction function. It becomes easy to use.

Embodiment 4 FIG.
FIG. 8 is a block diagram showing a monitoring control system according to Embodiment 4 of the present invention.
In FIG. 8, numerals 1, 11 to 16 are the same as those in FIG. In FIG. 8, the monitoring server 1 is provided with a playback function save database 17 (designated period history database). The playback function save database 17 is for saving the status data of the operation history database 11 and the form history database 12 for a specific period in accordance with an instruction from the playback function operation screen 21 of the operation terminal 2.

  In the first embodiment, the operation history database 11 and the form history database 12 are used to reproduce the playback function. However, these databases are usually set with an upper limit of the management period, and are deleted when the management period elapses. As a result, playback reproduction cannot be performed on the deleted portion.

  Therefore, in the fourth embodiment, as shown in FIG. 8, the playback function for the state data of the operation history database 11 and the form history database 12 for a specific period is specified by an instruction from the playback function operation screen 21 of the operation terminal 2. A function for saving to the save database 17 is added.

  According to the fourth embodiment, the playback function is reproduced from the saved playback function saving database even if the management period has elapsed and the data of the period is deleted from the operation history database and the form history database. This improves the convenience for the user.

Embodiment 5 FIG.
FIG. 9 is a block diagram showing a monitoring control system according to Embodiment 5 of the present invention.
In FIG. 9, numerals 1, 11 to 16 are the same as those in FIG. In FIG. 9, the playback function save database 41 (designated period history database) is formed on the removable medium 4.

  In the fourth embodiment, the case where the playback function saving database for reproducing playback is constructed on the monitoring server has been described. However, in the fifth embodiment, as shown in FIG. Data is read from the playback function saving database 41 in the removable medium 4 at a timing when it is stored in the removable medium 4 and is to be reproduced, and playback reproduction is performed.

  According to the fifth embodiment, there is no need to add a playback function saving database to the monitoring server, and not only can the capacity of the storage area be saved, but also a plurality of patterns of playback functions using a plurality of removable media. Can be reproduced, and the convenience for the user is further improved.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

1 monitoring server, 2 operation terminal, 4 removable media,
11 operation history database, 12 form history database,
13 current data management unit, 14 operation terminal management unit, 15 playback function management unit, 16 history data management unit, 17 playback function save database,
21 playback function operation screen, 22 history function operation screen, 23 form function operation screen, 31, 32 monitoring target device, 41 playback function save database.

Claims (6)

A monitoring server having a playback reproduction function for reproducing a past state,
Scheduled history database that records the status data of monitored devices at the scheduled time,
A change history database that records state data at the time of state change of the monitored device,
And a playback function unit that refers to the scheduled history database and the change history database, and performs the playback reproduction of the state of the monitored device with respect to the date and time designated by the operation terminal,
When the status data of the specified date and time is not in the scheduled history database, the playback function unit specifies the status data of the scheduled history database at the previous scheduled time and the specified date from the immediately preceding scheduled time. A monitoring server, wherein the playback reproduction of the designated date and time is performed using the state data at the time of the state change of the change history database until the date and time. The monitoring server has a playback management database storing state data corresponding to a special phenomenon,
2. The monitoring control system according to claim 1, wherein when the special phenomenon in the playback management database is designated by the operation terminal, the reproduction of the special phenomenon is performed.   The monitoring server according to claim 1, further comprising a specified period history database that records state data of the scheduled history database and the change history database for a period specified by the operation terminal.   4. The monitoring server according to claim 3, wherein the specified period history database is provided on a removable medium. The monitoring server according to any one of claims 1 to 4,
And a monitoring control system comprising an operation terminal for displaying a playback function operation screen for issuing a playback reproduction instruction to the monitoring server.   6. The monitoring control system according to claim 5, wherein a time interval when fast-forwarding the playback reproduction can be adjusted on the playback function operation screen.

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