JP6899662B2 - Distance monitoring and control system and distance monitoring and control method - Google Patents

Description

The present invention relates to a distant monitoring control system and a distant monitoring control method in which data is distributed and arranged in slave stations to manage the data.

In the conventional remote monitoring and control system, data is centrally managed on the server.
Further, as a data management method in the system, a distributed storage system in which divided data is distributed to a plurality of information devices connected to a network to maintain the data is applied (for example, Patent Document 1).

JP-A-2007-73004

In the conventional remote monitoring and control system, since the data collected from the slave station is centrally managed by the server, there is a problem that the construction and operation cost of the server is high. Further, as a data management method in a system other than the remote monitoring and control system, a distributed storage system as in Patent Document 1 is applied. However, the data management in remote monitor control system, not intended to apply the distributed storage, economic data, as it can effectively manage has been desired.

The present invention has been made to solve the above-mentioned problems, and realizes a serverless remote monitoring and control system.

The distant monitoring and control system according to the present invention has a terminal for monitoring operation that operates distant monitoring control, a slave station that collects data to be distantly monitored, and a distant communication network that connects the terminal and the slave station. In the monitoring and control system, the slave station has a data distribution arrangement means having a function of distributing data, a communication means having a function of communicating with a terminal, and a storage for storing data, and the terminal is a child. It has a monitoring control means having a function of monitoring and controlling stations, a data distributed arrangement means for distributing data, and a communication means for communicating with a slave station, and the data distributed arrangement means and the terminal of the slave station have. The data distribution arrangement means controls the data holding amount of a slave station having a higher frequency of failure or abnormality than the other slave stations in a plurality of slave stations to be less than the data holding amount of the other slave stations. ..

According to the present invention, the slave station that collects the data to be monitored at a distance has a data distribution means having a function of distributing the data and a storage for storing the data, and operates the remote monitoring control. Since the terminal for monitoring operation has a monitoring control means having a function of monitoring and controlling slave stations and a data distributed arrangement means for distributing data, it is necessary to realize a serverless remote monitoring and control system. Can be done.

It is a block diagram which shows the remote monitoring system in Embodiment 1 of this invention. It is a functional block diagram which shows the structure of the slave station in the remote monitoring system which concerns on Embodiment 1 of this invention. It is a functional block diagram which shows the structure of the terminal in the remote monitoring system which concerns on Embodiment 1 of this invention. It is a block diagram which shows the remote monitoring system in Embodiment 2 of this invention. It is a functional block diagram which shows the structure of the slave station in the remote monitoring system which concerns on Embodiment 2 of this invention. It is a functional block diagram which shows the structure of the terminal in the remote monitoring system which concerns on Embodiment 2 of this invention. It is a functional block diagram which shows the structure of the cloud server in the remote monitoring system which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the flowchart explaining the process at the time of data transfer in the remote monitoring system which concerns on Embodiment 2 of this invention. It is a block diagram which shows the remote monitoring system in Embodiment 3 of this invention. It is a figure which shows an example of the flowchart explaining the process at the time of the slave station disconnection in the remote monitoring system which concerns on Embodiment 3 of this invention. It is a block diagram which shows the remote monitoring system in Embodiment 4 of this invention. It is a figure which shows an example of the flowchart explaining the process at the time of slave station exchange in the remote monitoring system which concerns on Embodiment 4 of this invention. It is a block diagram which shows the remote monitoring system in Embodiment 5 of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each figure, the same reference numerals indicate the same or corresponding parts.

Embodiment 1.
FIG. 1 shows an example of the configuration of a remote monitoring and control system according to the first embodiment of the present invention. The remote monitoring and control system includes a water distribution management system, a power information communication system, a traffic information system, and the like.
The distant monitoring and control system shown in FIG. 1 includes a first slave station 1A, a second slave station 1B, and a third slave station 1C, and a first terminal 2A and a second terminal 2B that operate distant monitoring control. It is composed of a communication network 3 and a wide area network 4.
As shown in the functional block diagram shown in FIG. 2, the slave station 1A has a monitoring control means 100 having a function of performing monitoring control, an abnormality failure analysis means 101 having a function of performing an abnormality failure analysis, and a function of detecting a slave station abnormality. Anomalous slave station detecting means 102, setting restoring means 103 having a function of restoring settings, data distributed arrangement means 104 having a function of performing data distributed arrangement, communication means 105 having a function of communicating with terminals 2A and 2B, and data. It is composed of a storage 106 having a function of performing storage. The slave stations 1B and 1C are also configured in the same manner as the slave stations 1A.
As shown in the functional block diagram shown in FIG. 3, the terminal 2A has a display means 200 having a screen function, a monitoring control means 201 having a function of monitoring and controlling slave stations, and a data distributed arrangement having a function of controlling the data distributed arrangement. It is composed of means 202 and communication means 203 having a communication function for communicating with slave stations 1A to 1C. Further, the terminal 2B is also configured in the same manner as the terminal 2A.

Next, the operation of the remote monitoring and control system according to the first embodiment will be described.
The slave stations 1A to 1C store the data necessary for performing monitoring control in the storage 106. In addition, data such as forms can be stored in the storage 106 for a certain period of time.
The monitoring control is performed using the data stored in the storage 106 of the slave stations 1A to 1C using the terminals 2A and 2B. When it is desired to view the form data or the like, the display means 200 uses the data stored in the storage 106 of each slave station 1A, 1B, 1C.
The terminals 2A and 2B and the slave stations 1A to 1C control each other's data possession by using the data distribution arrangement means 104 and 202. Normally, each slave station 1A, 1B, 1C has different data, but for example, if the slave station 1B is faulty or abnormal, the other slave stations 1A and 1C distribute the data of the slave station 1B which is a faulty slave station. And hold it. Further, the slave stations 1A to 1C are controlled by using the data distribution arrangement function so as to reduce the data holding amount for the slave stations having a high frequency of failure or abnormality.

In this embodiment, a terminal for monitoring operation that operates remote monitoring control, a function that collects analog data such as water level at the site, and distributes and accumulates the collected data among slave stations, and a monitoring operation. A remote monitoring and control system consisting of a slave station having a communication function with a terminal and a communication network connecting the terminal and the slave station for monitoring operation is configured.
Further, the distant monitoring control system in this embodiment is a communication network that connects a terminal for monitoring operation that operates distant monitoring control, a slave station that collects data of a distant monitoring target, and the terminal and the slave station. In the remote monitoring and control system having the above, the slave station has a data distribution arrangement means having a function of distributing data, a communication means having a function of communicating with a terminal, and a storage for storing data, and is a terminal. Has a monitoring control means having a function of monitoring and controlling a slave station, a data distributed arrangement means for distributing data, and a communication means for communicating with the slave station.

Embodiment 2.
Next, the remote monitoring and control system according to the second embodiment of the present invention will be described.
As shown in FIG. 4, the remote monitoring and control system according to the second embodiment has a configuration in which the slave stations 1A to 1C and the communication network 3 are connected to the cloud server 5. Other configurations are the same as those of the first embodiment shown in FIG.
In the remote monitoring and control system shown in FIG. 4, as shown in the functional block diagram shown in FIG. 5, the slave station 1A is a data storage means 107 having a function of accumulating designated data by the data distribution arrangement means 104. is configured accumulated to so that the storage 106. Further, the accumulated data exceeding the threshold value of the data capacity given in advance or individually is transferred to the cloud server 5 via the communication network 3 by the communication means 105 using the cloud transfer means 108 having the cloud transfer function. It is configured as follows. The slave stations 1B and 1C are also configured in the same manner as the slave stations 1A.
As shown in FIG. 6, the terminal 2A has a display means 200, a monitoring control means 201, a communication means 203, and the like.
As shown in the functional block diagram shown in FIG. 7, the cloud server 5 uses the cloud transfer means 500 having a cloud transfer function to communicate with the slave stations 1A to 1C by the communication means 501 having a communication function, and the slave station 5 has a slave station. The stored data transferred from 1A to 1C is configured to be stored in the storage 503 having a storage function by the data storage means 502 having a data storage function.
When viewing the stored data, the storage data is transferred from the display means 200 having the screen function of the terminal 2A to the slave stations 1A to 1C by the communication means 203 having the communication function using the monitoring control means 201 having the monitoring control function. An inquiry is made to determine whether the slave stations 1A to 1C are the data stored in the storage 106 or the data stored in the storage 503 of the cloud server 5 (see FIG. 8 described later), and the slave station 1A is displayed in the display means 200. The stored data designated in the terminals 2A and 2B is displayed by the communication means 105 of the above. The terminal 2B is also configured in the same manner as the terminal 2A.

In this embodiment, by connecting a slave station having a storage function and a communication function to an arbitrary cloud server, only the old stored data among the data stored in the slave station is transferred to the arbitrary cloud server. Configure a remote monitoring and control system that can be used.
That is, in the remote monitoring and control system of this embodiment, the slave station is connected to the cloud server via the communication network, and among the data stored in the slave station, the old stored data is transferred to the cloud server. As a result, since the latest data is managed by the slave station, it is possible to respond to the request from the terminal at high speed, while the old data is managed by the cloud and can be stored for a long period of time.
Further, in the remote monitoring and control system according to this embodiment, the slave station has a data storage means having a function of accumulating designated data and a cloud server for storing data exceeding the threshold by the communication means via the communication network. The cloud server has a cloud transfer means having a function of transferring data to, a cloud transfer means having a cloud transfer function, a communication means for communicating with a slave station, and a data storage function transferred from the slave station. It has a data storage means having the above and a storage for storing data by the data storage means.

Hereinafter, the processing procedure in the remote monitoring and control system of the second embodiment will be described with reference to the flowchart shown in FIG.
By requesting accumulated data from terminals 2A and 2B, the storage data of the slave station is searched (step S1), and if there is request data in the slave station storage data (YES), the search result data is sent to terminals 2A and 2B. The data is transmitted (step S4), and the process ends. If it is not storage data in the slave station (NO), the storage in the cloud server is searched (step S2), the search result is transmitted to the terminals 2A and 2B (step S3), and the process is terminated.

Embodiment 3.
Next, the remote monitoring and control system according to the third embodiment of the present invention will be described. The configuration of the slave station and the terminal is the same as that of the slave station and the terminal in the first embodiment.
Remote monitor control system in the third embodiment, as shown in FIG. 9, the communication network 3 and the terminal 2A and the slave station 1A～1 D, in a system composed of 2B, the slave station 1B, 1C of the abnormal slave station detecting means The 102 mutually monitors the status of adjacent slave stations and detects a slave station (hereinafter, referred to as an abnormal slave station) that is transmitting an abnormal packet. If abnormal slave station detection unit 102 detects the slave station 1D as abnormal slave station performs disconnection of the slave station 1D the system constituting the slave station 1A~1C communication network 3 and the terminal 2A, in 2B. Further, after the slave station 1D , which is an abnormal slave station, is disconnected, the data of the adjacent slave station is retained by transmitting and receiving the data of the newly adjacent slave stations to and from each other.

In the remote monitoring and control system of this embodiment, the slave station has an abnormal slave station detecting means for detecting an abnormal slave station by mutually monitoring the status of the slave stations, and the influence of the abnormal transmission by the abnormal slave station is affected. The abnormal slave station can be separated from the system to suppress it. Therefore, even if the terminals 2A and 2B are temporarily defective or removed, the abnormal slave station can be continuously detected and disconnected.

Hereinafter, the processing procedure in the remote monitoring and control system of the third embodiment will be described with reference to the flowchart shown in FIG. The flowchart of FIG. 10 shows the processing procedure in the slave station 1B and the slave station 1C.
The abnormal slave station detecting means 102 of the slave station 1B monitors the status of the adjacent slave station (step S11). If the number of cases determined to be abnormal by the abnormal slave station detecting means 102 is within one station, the slave station 1C is requested to confirm the status of the adjacent slave station (step S12). The abnormal slave station detecting means 102 of the slave station 1C monitors the status of the adjacent slave station (step S11), and if the number of slave stations determined to be abnormal is two or more, the slave station 1C disconnects the abnormal slave station (step S13). ). After disconnect the abnormal slave station, the slave station 1 C transmits a device internal setting data of the own station to the slave station 1B (step S14). If the slave station 1B can confirm the reception of the device internal setting data of the slave station 1C (step S15), the slave station 1B transmits the device internal setting data of its own station to the slave station 1C (step S16). In this way, the slave stations mutually hold the data by transmitting the device internal setting data of their own station.
The slave station 1C also performs the same operation as described above.

Further, after performing the same processing in steps S11 to S14, if the slave station 1B cannot confirm the reception of the device internal setting data of the slave station 1C (step S15), the slave station 1B receives the device internal setting data of the own station. and transmits to the slave station 1C (step S 14). If acknowledgment slave station 1 C is a device internal setting data of the slave station 1B (step S15), and the slave station 1C transmits a device internal setting data of the own station to the slave station 1B (step S16). In this way, the slave stations mutually hold the data by transmitting the device internal setting data of their own station.
The slave station 1C also performs the same operation as described above.

Embodiment 4.
Next, the remote monitoring and control system according to the fourth embodiment of the present invention will be described. The configuration of the slave station and the terminal is the same as that of the slave station and the terminal in the first embodiment.
Remote monitor control system in the fourth embodiment, as shown in FIG. 11, the slave station 1A~1C and child station 1D alternative slave station is abnormal slave station shown in FIG. 9 (hereinafter, referred to as alternative slave station In the system composed of the slave station 1E and the communication network 3, the data distribution arrangement means 104 saves the setting data of the slave station 1D, which is the abnormal slave station shown in FIG. 9, as a backup in the slave station 1B. After the slave station 1D is abnormal slave station shown in FIG. 9 is disconnected by the abnormal, and replaced with the slave station 1E is Daitaiko station, is more alternative slave station setting restoration unit 103 slave station. 1E slave stations Download the setting data of the slave station 1D, which is an abnormal slave station, from 1B. By downloading the setting data of the slave station 1D which is an abnormal slave station, the slave station 1E which is an alternative slave station has the same setting as the slave station 1D which is a separated abnormal slave station, and the slave station can be exchanged.

In the remote monitoring and control system of this embodiment, the slave station can distribute and store the setting data of the designated slave station to other slave stations by the data distribution arrangement means, and when the slave station is replaced due to a failure. , The slave station can be updated by downloading the setting data of the failed slave station from another slave station.

Hereinafter, the processing procedure in the remote monitoring and control system of the fourth embodiment will be described with reference to the flowchart shown in FIG.
The slave station 1D fails, determines that it is an abnormal slave station, and disconnects it (step S21). The slave station 1E of the alternative slave station is connected (step S22). The setting data of the slave station 1D is downloaded from the slave station 1B having the setting data of the slave station 1D (step S23). By downloading the setting data of the slave station 1D, the slave station 1E has the same settings as the slave station 1D, and the slave station 1D operates as usual.

Embodiment 5.
Next, the remote monitoring and control system according to the fifth embodiment of the present invention will be described. The configuration of the slave station and the terminal is the same as that of the slave station and the terminal in the first embodiment.
As shown in FIG. 13, the remote monitoring and control system according to the fourth embodiment has a terminal 2A on a network 1000 composed of slave stations 1A to 1C and a communication network 3 and a network 2000 composed of slave stations 1F to 1H and a communication network 6. In a system in which 2B is connected by the communication means 203, the terminals 2A and 2B calculate the slave station that manages the data by the data distribution arrangement means 202, and the data used for the display means 200 having the screen display function. The data used for the monitoring control means 201 is acquired from the slave station. Further, by forming the network 1000 and the network 2000 as independent networks, it is possible to integrate and separate two or more networks without redistribution and arrangement of data.

The remote monitoring and control system in this embodiment has a plurality of networks that independently store data by slave stations, and system integration and separation can be easily constructed using terminals that can be connected to the multiple networks. Become.

In the present invention, each embodiment can be freely combined, and each embodiment can be changed or omitted as appropriate within the scope of the invention.

1A to 1H slave station, 2A, 2B terminal, 3 communication network, 5 cloud server, 100 monitoring control means, 101 abnormality failure analysis means, 102 abnormality slave station detection means, 103 setting restoration means, 104 data distribution arrangement means, 105, 203,501 Communication means, 106, 503
Storage, 107,502 data storage means, 108,500 cloud transfer means, 200 display means, 201 monitoring control means, 202 data distribution placement means, 1000,2000 networks

Claims (7)

A terminal for monitoring operations that operates remote monitoring control,
Multiple slave stations that collect data for remote monitoring,
In a remote monitoring and control system having a communication network connecting the terminal and the slave station,
The slave station
A data distributed arrangement means having a function of distributing the data and
A communication means having a function of communicating with the terminal and
It has a storage for storing the data and
The terminal
A monitoring control means having a function of monitoring and controlling the slave station, and
A data distributed arrangement means for distributing the data and
A communication means for communicating with the slave station and
Have a,
The data distribution arrangement means possessed by the slave station and the data distribution arrangement means possessed by the terminal have a data holding amount for a slave station having a higher frequency of failure or abnormality than other slave stations in the plurality of slave stations. A remote monitoring and control system characterized by controlling the amount of data held by other slave stations less than the amount of data held by other slave stations. The first aspect of claim 1, wherein the slave station is connected to a cloud server via the communication network, and among the data stored in the slave station, old stored data is transferred to the cloud server. Remote monitoring and control system. The slave station has a data storage means having a function of accumulating designated data and a cloud having a function of transferring stored data exceeding a threshold value to the cloud server by the communication means via the communication network. The cloud server has a transfer means, a cloud transfer means having a cloud transfer function, a communication means for communicating with the slave station, and a data storage means having a data storage function transferred from the slave station. The remote monitoring and control system according to claim 2, further comprising a storage for storing the data by the data storage means. The first aspect of claim 1, wherein the slave station has an abnormal slave station detecting means for detecting an abnormal slave station by mutually monitoring the state of the slave stations, and disconnects the abnormal slave station from the system. Remote monitoring and control system. The slave station distributes and saves the setting data of the designated slave station to other slave stations by the data distribution arrangement means, and when the slave station is replaced due to a failure, the slave station that has failed from the other slave station is set. The remote monitoring and control system according to claim 1, wherein data is downloaded. The remote monitoring and control system according to claim 1, wherein the slave station has a plurality of networks that independently store data, and the terminal is connected to the network. In the monitoring operation that operates the remote monitoring control and the remote monitoring control method that collects the data of the remote monitoring target, the plurality of slave stations that collect the data distribute the data and save the data in the storage. However, in the plurality of terminals that perform the monitoring operation, the data is distributed and arranged by the monitoring operation, and control is performed so that the data holding amount is reduced for the slave stations where the frequency of failure or abnormality occurs frequently. A featured remote monitoring and control method.

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