JP2007295112A - Monitoring system and monitoring apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a monitoring system capable of collecting monitoring information from a monitoring apparatus located at a place without the need for providing a server apparatus and setting the address of the other apparatus. <P>SOLUTION: A monitoring terminal 5 requests the monitoring apparatus 5 to transmit a monitoring program (step S101). The monitoring apparatus 2 transmits the monitoring program stored in its storage section to the monitoring terminal 5 in response to the transmission request (step S102) and further transmits setting information stored in the storage section (step S104). The monitoring terminal 5 executes initializing processing required for executing the monitoring program such as the start of the monitoring program and the reading of the setting information (step S106). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a technology that includes a plurality of monitoring devices and monitoring terminals connected to each monitoring device via a network, and the monitoring terminal collects monitoring information from each monitoring device.

For example, Patent Document 1 discloses an apparatus that manages and manages the state of each facility of a plurality of buildings in one place so that the administrator can easily manage each facility of the plurality of buildings. Has been.
FIG. 27 is a configuration diagram of a building group management apparatus disclosed in Patent Document 1.
The building management systems 101, 102, 103 and the building management terminal device 104 of the building group management apparatus 100 are connected to the network 105, respectively.

The building management apparatuses 101a and 102a transmit state data indicating the state of each facility of the building to the data transfer terminals 101b and 102b. The data transfer terminals 101b and 102b transmit the state data of each facility to the WWW server 103b via the network 105. Forward.
The building management apparatus 103a transmits the state data of each facility of the building to the WWW server 103b. The WWW server 103b stores the status data of each facility transferred by the data transfer terminals 101b and 102b and the status data of each facility transmitted by the building management device 103a, and provides them to the building management terminal device 104.

The building management terminal device 104 accesses the WWW server 103b via the network 105, and displays the status data of each facility of each building stored in the WWW server 103a. Thereby, the manager can manage the facilities of a plurality of buildings in one place.
JP 2000-308152 A

  However, in the above-described prior art, in order to display a list of the state of each facility of a plurality of buildings on the building management terminal device 104, the state data of each facility of each building is stored and provided to the building management terminal device 104 The server 103b needs to be provided on the network 105. This is expensive for installation and maintenance of the WWW server 103b, leading to an increase in cost. In addition, it is necessary to set an IP (Internet Protocol) address on the network 105 of the WWW server 103b in the data transfer terminal 101b and the like, which leads to an increase in work man-hours.

  Therefore, the present invention provides monitoring of building facility status data from a monitoring device that replaces both a conventional data transfer terminal and a WWW server without providing a server device and without setting the address of another device. It is an object of the present invention to provide a monitoring system, a monitoring apparatus, a monitoring method, and a monitoring apparatus program that can collect information.

  In order to achieve the above object, the monitoring system of the present invention is a monitoring system having a monitoring device and a monitoring terminal connected to each of the monitoring devices via a network, wherein the monitoring terminal is connected to each of the monitoring devices. Program storage means for storing a monitoring program to be executed by the monitoring terminal to obtain monitoring information from a device, and setting information for storing setting information for operation of the monitoring program including the address of each monitoring terminal When receiving a transmission request for the monitoring program from the storage means and the monitoring terminal, the monitoring program stored in the program storage means and the setting information stored in the setting information storage means for the monitoring terminal Request response means for transmitting, the monitoring terminal to the monitoring program to any of the monitoring devices A monitoring program requesting means for sending a transmission request for a monitoring program, a response receiving means for receiving the monitoring program and the setting information from the monitoring device as a response to the transmission request for the monitoring program, and received by the response receiving means Program execution means for executing the monitoring program and collecting monitoring information from the monitoring device while communicating with each of the monitoring devices based on an address included in the setting information.

  According to the above monitoring system, if the user of the monitoring terminal specifies only the address of one monitoring device on the network, the monitoring terminal acquires the monitoring program and the setting information including the address of each monitoring device on the network. The monitoring terminal executes the received monitoring program and collects monitoring information from the monitoring device. Thus, when the monitoring terminal user executes the monitoring program on the monitoring terminal and collects monitoring information from each monitoring device on the monitoring terminal, it is not necessary to previously install the monitoring program on the monitoring terminal. It is not necessary to set the address of each monitoring device on the network or information for other monitoring program operations on the terminal, and the setting of the server device is also unnecessary.

  A monitoring apparatus according to the present invention is a monitoring apparatus that connects a monitoring terminal via a network, and the monitoring terminal should execute a monitoring program to be executed by the monitoring terminal in order to acquire monitoring information from the monitoring apparatus on the network. Program storage means for storing, setting information storage means for storing setting information for the operation of the monitoring program including the address of each of the monitoring terminals, and upon receiving a transmission request for the monitoring program from the monitoring terminal, the monitoring Request response means for transmitting a monitoring program stored in the program storage means and setting information stored in the setting information storage means to the terminal;

  The monitoring method of the present invention includes a program storage means for storing a monitoring program to be executed by the monitoring terminal so that the monitoring terminal acquires monitoring information from a monitoring device on the network, and the address of each of the monitoring terminals A monitoring method performed in a monitoring apparatus having setting information storage means for storing setting information for operation of the monitoring program, the transmission request receiving procedure for receiving a transmission request for the monitoring program from the monitoring terminal, Request response procedure for transmitting the monitoring program stored in the program storage means and the setting information stored in the setting information storage means to the monitoring terminal which has received the transmission request received in the transmission request receiving procedure And having.

  The monitoring device program of the present invention includes a program storage means for storing a monitoring program to be executed by the monitoring terminal so that the monitoring terminal acquires monitoring information from the monitoring device on the network, and an address of each monitoring terminal. A monitoring apparatus having setting information storage means for storing setting information for the operation of the monitoring program, a transmission request reception procedure for receiving a transmission request for the monitoring program from the monitoring terminal, and reception in the transmission request reception procedure The monitoring terminal that has made the transmission request is caused to execute a request response procedure for transmitting the monitoring program stored in the program storage unit and the setting information stored in the setting information storage unit.

  According to the above monitoring apparatus, monitoring method, and monitoring program, the monitoring apparatus transmits the monitoring program and setting information to the monitoring terminal as a response to the monitoring program transmission request from the monitoring terminal. Thus, when the monitoring terminal user executes the monitoring program on the monitoring terminal and collects monitoring information from each monitoring device on the monitoring terminal, it is not necessary to previously install the monitoring program on the monitoring terminal. It is not necessary to set the address of the monitoring device on the network and the information for the operation of other monitoring programs for the terminal.

  In the monitoring device, when the setting information is changed in the monitoring terminal, when the changed setting information transmitted to any address included in the setting information is received from the monitoring terminal, the setting information The setting information transfer means for transferring the setting information received to the address of the monitoring device other than its own device, and the setting information storage means upon receiving the setting information from either the monitoring terminal or another monitoring device. You may make it further provide the setting information update means to update the memorize | stored setting information so that it may become the same as the received setting information.

According to this, if the setting information is transmitted from the monitoring terminal to the network, all the monitoring devices on the network share the same setting information, and the user does not need to set the setting information for each monitoring device.
In the above monitoring device, when the operation mode is an operation mode for adding the address of the own device to the setting information, setting information requesting means for transmitting a setting information transmission request to the network by broadcast or multicast, and the setting information request Setting information receiving means for receiving setting information transmitted from another monitoring apparatus as a response to the transmission request for setting information transmitted by the means, and adding the address of the own apparatus to the setting information received by the setting information receiving means The setting information includes setting information storage means for storing setting information after adding the address by the address adding means in the setting information storage means, and setting information after adding the address by the address adding means. Setting information transmission means for transmitting to the address of a monitoring device other than its own device. It may be provided.

According to this, since the monitoring device acquires the setting information from the monitoring device already operating on the network, the user does not need to set the setting information when adding the monitoring device.
In the above monitoring device, when the operation mode is an operation mode in which the address of the own device is deleted from the setting information, an address deleting unit that deletes the address of the own device from the setting information stored in the setting information storage unit, You may make it further provide the setting information transmission means which transmits the setting information after the address deletion by the address deletion means addressed to the address of the monitoring device included in the setting information.

  According to this, since the monitoring device deletes its own IP address from the setting information and transmits the deleted setting information to the monitoring device operating on the network, when removing the monitoring device from the network, The user does not need to reset the setting information for each of the other monitoring devices operating on the network.

Embodiments of the present invention will be described below with reference to the drawings.
≪Overall structure≫
A monitoring system according to an embodiment of the present invention will be described with reference to FIG. FIG. 1 is an overall configuration diagram of a monitoring system according to the present embodiment.
The monitoring system 1 includes monitoring devices 2, 3, 4, terminal devices 2 a, 2 b, 3 a, 3 b, 4 a, 4 b and monitoring terminals 5, 6, 7. The monitoring devices 2, 3 and 4 and the monitoring terminals 5, 6 and 7 are connected to a network 8 such as an intranet or a LAN (Local Area Network). Also, terminal devices 2 a and 2 b are connected to the monitoring device 2, terminal devices 3 a and 3 b are connected to the monitoring device 3, and terminal devices 4 a and 4 b are connected to the monitoring device 4.

  Each of the monitoring devices 2, 3, and 4 stores a monitoring program and setting information for the operation of the monitoring program including an address on the network 8 of each monitoring device on the network 8. The monitoring program in the present embodiment should be executed by the monitoring terminal so that the monitoring terminal acquires monitoring information such as measurement / measurement information by the terminal device from the monitoring device, and issues an alarm based on the acquired monitoring information. It is a program.

The monitoring devices 2, 3, and 4 transmit monitoring programs and setting information to the monitoring terminal, collect monitoring information from the terminal device, and change the state of the terminal device to the monitoring terminal (for example, terminal failure, abnormal current value measurement, etc.) ), And exchange of setting information between other monitoring devices.
The terminal devices 2a, 2b, 3a, 3b, 4a, and 4b are, for example, a digital high-voltage meter, a digital multimeter, and a wattmeter installed in a building, and output measurement / metering information to the monitoring device.

The monitoring terminals 5, 6, and 7 are, for example, personal computers of building managers. The monitoring terminals 5, 6, and 7 send a monitoring program transmission request to the monitoring device, and acquire the monitoring program and setting information from the monitoring device. The monitoring terminals 5, 6, and 7 execute the monitoring program based on the setting information, and perform transmission / reception of setting information with the monitoring device, output of an alarm based on a state change notification received from the monitoring device, and the like.
≪Monitoring equipment≫
The configuration of the monitoring device 2 in FIG. 1 will be described with reference to FIG. FIG. 2 is a configuration diagram of the monitoring device 2 of FIG. Note that the portions of the monitoring devices 3 and 4 related to the present invention are the same as those of the monitoring device 2.

The monitoring device 2 includes a control unit 11, an operation unit 12, a display unit 13, a storage unit 14, a network communication unit 15, and a terminal communication unit 16.
The control unit 11 performs various controls and various calculations of the entire monitoring device 2.
The operation unit 12 includes a numeric keypad, an arrow key, a confirmation key, and the like, and outputs a key pressing signal to the control unit 11.

The display unit 13 is configured by a liquid crystal display or the like, displays various screens under the control of the control unit 11, and includes a mode switching screen illustrated in FIG. 3 as a screen displayed on the display unit 13. FIG. 3 is a diagram showing an example of a mode switching screen displayed on the display unit 13 of FIG.
The mode switching screen is a screen displayed when the monitoring terminal 2 is installed on the network 8 or removed from the network 8.

When the operator connects the monitoring device 2 to the network 8 (adds the IP address of the own device to the setting information), the operator operates the arrow key corresponding to “execute the construction process” in FIG. Move the cursor to "and press the enter key.
The operator operates the arrow key when removing the monitoring device 2 from the network 8 (deleting the IP address of the own device from the setting information), and “execute” corresponding to “execute removal processing” in FIG. Move the cursor to, and press the Enter key.

The storage unit 14 stores a monitoring program 14a, setting information 14b (described in detail later), and monitoring information 14c. The monitoring information is information indicating state changes (for example, terminal failure, abnormal current value measurement, etc.) of the connected terminal devices 2a and 2b.
The network communication unit 15 communicates with devices such as monitoring devices and monitoring terminals existing on the network 8 via the network 8.

The terminal communication unit 16 communicates with a terminal device connected to the own device.
≪Monitoring terminal≫
The configuration of the monitoring terminal 5 in FIG. 1 will be described with reference to FIG. FIG. 4 is a block diagram of the monitoring terminal 5 of FIG. Note that portions of the monitoring terminals 6 and 7 related to the present invention are the same as those of the monitoring terminal 5.

The monitoring terminal 5 includes a control unit 21, an operation unit 22, a display unit 23, a storage unit 24, and a network communication unit 25.
The control unit 21 performs various controls and various calculations of the entire monitoring terminal 5.
The operation unit 22 includes a keyboard and a pointing device, and outputs a key pressing signal to the control unit 21.

The display unit 23 is configured by a liquid crystal display or the like, and displays various screens under the control of the control unit 21. As screens displayed on the display unit 23, there are a status display screen shown in FIG. 5, a monitoring screen shown in FIG. 6, and a setting information change screen shown in FIG.
The status display screen of FIG. 5 is an example of a screen that is popped up when the terminal device connected to the monitoring device has a status change on the display unit 23.

The monitoring screen of FIG. 6 is an example of a screen that displays a list of the statuses of the terminal devices connected to each of the monitoring devices 2, 3, 4 based on the status change notification collected by the monitoring terminal 5 from the monitoring devices 2, 3, 4. is there.
FIG. 7 is an example of a screen used when the setting of setting information is updated in the monitoring terminal 5. For each status level (normal, caution, alarm, rotation abnormality, system abnormality, not updated), the user of the monitoring terminal 5 has icon flicker (whether a task is displayed on the task bar of the window), window pop-up, The presence / absence of buzzer sound output can be set, and further, the presence / absence of notification of state change for each control point and the buzzer sound output period can be set. “Setting” in the figure is designated when updating the setting information, and “cancel” is designated when updating the setting information is interrupted.

In addition, the presence / absence of notification of a state change for each management point means that when the terminal device is performing current measurement of a plurality of circuits, for example, the state of a different circuit after the state of one circuit changes and an alarm is notified Whether or not to issue an alarm notification when changes occur.
The storage unit 24 is a storage unit for storing various control information for controlling the monitoring terminal 5.

The network communication unit 25 communicates with a device such as a monitoring device existing on the network 8 via the network 8.
≪Setting information≫
The setting information will be described with reference to FIG. FIG. 8 is a diagram illustrating an example of setting information.
The setting information includes a device list 51 that lists the IP addresses on the network 8 of each monitoring device existing on the network 8, and the device list 51 also includes the IP address of the own device.

The setting information includes an automatic notification list 52 that lists the IP address of each monitoring terminal existing on the network 8 on the network 8 and the latest time when polling is received from the corresponding monitoring terminal.
The setting information includes a display color list 53 that lists display colors (three primary colors) for each state level (normal, caution, alarm, etc.).

The setting information includes a common setting information list 54 that lists monitoring program setting information common to all monitoring apparatuses.
In FIG. 8, [polling_sleep] is the sleep time between polling (seconds), [polling_timeout] is the polling response waiting time-out time (seconds), [polling_retry] is the number of times to retry polling, and [iiu_check] is the terminal The time (seconds) when a system error occurs when there is no response from the device, [use_ssl] describes information indicating whether or not to perform encryption, and [ssl_cipher] describes information indicating the encryption protocol to be used.

The setting information includes an individual setting information list 55 listing the setting information of the monitoring program for each monitoring device. However, in the individual setting information list 55, setting information is listed for each IP address listed in the device list 51.
In FIG. 8, [popup] describes a pop-up state level, [buzzer] describes a buzzer sound state level, and [buzzer_time] describes a buzzer sound output time (seconds). In FIG. 8, for the monitoring device whose IP address is [192.168.128.11], the monitoring device pops up when the status level is “Caution” and “Alarm”, and when the status level is “Alarm”. A buzzer will sound for 5 seconds.
≪Start and end of monitoring operation≫
The overall operation of the monitoring system 1 from the start to the end of the monitoring operation of the monitoring terminal 5 of the monitoring system 1 in FIG. 1 will be described with reference to FIG. FIG. 9 is a sequence diagram showing the flow of processing of the monitoring system from the start to the end of the monitoring operation of the monitoring terminal.

  The user of the monitoring terminal 5 uses the operation unit 22 to input the IP address of the monitoring device 2 and to perform a transmission request for the monitoring program in order to load the monitoring program stored in the monitoring device 2 to the monitoring terminal 5. I do. The control unit 21 of the monitoring terminal 5 transmits, from the network communication unit 25, a monitoring program transmission request including the IP address of its own device addressed to the input IP address based on the press signal input from the operation unit 22. The network communication unit 15 of the monitoring device 2 receives a monitoring program transmission request from the monitoring terminal 5 (step S101).

  The control unit 11 of the monitoring device 2 transmits the monitoring program stored in the storage unit 14 to the IP address included in the monitoring program transmission request from the network communication unit 15 (step S102). The control unit 11 of the monitoring device 2 updates the setting information by adding the IP address and default time included in the monitoring program transmission request to the automatic notification list 52 of the setting information stored in the storage unit 14. This is performed (step S103).

  The control unit 11 of the monitoring device 2 transmits the updated setting information from the network communication unit 15 to the IP address included in the monitoring program transmission request. The network communication unit 25 of the monitoring terminal 5 receives the setting information from the monitoring device 2 (step S104). Then, the control unit 21 of the monitoring terminal 5 transmits an ACK signal to the input IP address from the network communication unit 25, and the network communication unit 15 of the monitoring device 2 receives the ACK signal (step S105).

The control unit 21 of the monitoring terminal 5 performs initialization processing necessary for execution of the monitoring program such as reading of setting information (step S106), and starts processing of the monitoring program.
The control unit 21 of the monitoring terminal 5 polls the monitoring device 2 including its own IP address via the network communication unit 25 (step S107). The control unit 11 of the monitoring device 2 updates the latest time when polling corresponding to the IP address of the polling source in the automatic notification list 12 of the setting information stored in the storage unit 14 is updated, and sends it to the monitoring terminal 5 that is the polling source. The state change notification is started (step S108).

The control unit 21 of the monitoring terminal 5 polls the monitoring device 2 including its own IP address via the network communication unit 25 (step S109). The control unit 11 of the monitoring device 2 updates the latest time when the polling corresponding to the IP address of the polling source in the automatic notification list 12 of the setting information stored in the storage unit 14 is received (step S110).
The terminal communication unit 16 of the monitoring device 2 receives measurement / measurement information output by the terminal device 2a connected to the own device, and the control unit 11 changes the state of the terminal device based on the received measurement / measurement information. Is detected (step S111).

  The control unit 11 of the monitoring device 2 refers to the setting information automatic notification list 52 stored in the storage unit 14 and refers to a period in which the elapsed time from the time when the previous polling was received from the monitoring terminal 5 is set in advance. If it is shorter, the network communication unit 15 transmits a state change notification including the IP address of the own device and the state change to the IP address of the monitoring terminal 5. The network communication unit 25 of the monitoring terminal 5 receives the state change notification from the monitoring device 2 (step S112).

The control unit 21 of the monitoring terminal 5 refers to the setting information display color list 53 and the individual setting information list 55, and displays an alarm pop-up display or a setting period buzzer based on the IP address and state change included in the state change notification. Alarm processing such as sound output is performed (step S113).
The terminal communication unit 16 of the monitoring device 2 receives measurement / measurement information output by the terminal device 2a connected to the own device, and the control unit 11 changes the state of the terminal device based on the received measurement / measurement information. Is detected (step S114).

  The control unit 11 of the monitoring device 2 refers to the setting information automatic notification list 52 stored in the storage unit 14 and refers to a period in which the elapsed time from the time when the previous polling was received from the monitoring terminal 5 is set in advance. If it is not shorter, it is considered that the program has been terminated, and the IP address of the monitoring terminal 5 and the latest time when polling is received are deleted from the automatic notification list 52 of the setting information (step S115).

With this sequence, the user of the monitoring terminal 5 does not perform setting work for setting information for the operation of the monitoring program including the IP address of the monitoring device 2 or the like existing on the network 8, and a special server device can be used. Without providing, monitoring information can be collected from the monitoring device 2 or the like existing on the network 8. Further, the user of the monitoring terminal 5 does not need to install a monitoring program in the monitoring terminal 5 in advance.
≪Setting information sharing≫
The overall operation of the monitoring system 1 when the setting information is shared between the monitoring terminal 5 and the monitoring devices 2, 3, and 4 of the monitoring system 1 of FIG. 1 will be described with reference to FIG. FIG. 10 is a sequence diagram illustrating a processing flow of the monitoring system when the setting information is shared between the monitoring terminal and the monitoring device of the monitoring system.

  A user of the monitoring terminal 5 performs a setting change operation on the setting information change screen shown in FIG. 7 using the operation unit 22 in order to change the setting information. The control unit 21 of the monitoring terminal 5 changes the setting information based on the press signal input from the operation unit 22 (step S121). The control unit 21 of the monitoring terminal 5 adds its own IP address to one IP address included in the device list 51 of the setting information (for example, to the IP address of the monitoring device 2 to be polled next). Then, the changed setting information is transmitted from the network communication unit 25. The network communication unit 15 of the monitoring device 2 receives the setting information from the monitoring terminal 5 (step S122).

The control unit 11 of the monitoring device 2 updates the setting information stored in the storage unit 14 to the received setting information (step S123). The control unit 11 of the monitoring device 2 transmits an ACK signal from the network communication unit 15 to the IP address of the monitoring terminal 5 that is the transmission source of the setting information. The network communication unit 25 of the monitoring terminal 5 receives the ACK signal from the monitoring device 2 (step S124).
Since the control unit 11 of the monitoring device 2 has received the setting information from the monitoring terminal 5, the control unit 11 in order receives the IP address excluding its own IP address included in the device list 51 of the setting information stored in the storage unit 14. Here, the IP address of the own device is added to the IP address of the monitoring device 3, and the setting information is transmitted from the network communication unit 15 (step S125).

The control unit of the monitoring device 3 updates the setting information stored in the storage unit to the received setting information (step S126).
The control unit of the monitoring device 3 transmits the ACK signal to the IP address of the monitoring device 2 that is the transmission source of the setting information from the network communication unit, and the network communication unit 15 of the monitoring device 2 receives the ACK signal from the monitoring device 3 ( Step S127). Since the monitoring device 3 has received the setting information from the monitoring device 2, the monitoring device 3 does not execute a process of transmitting the received setting information to another monitoring device.

The control unit 11 of the monitoring device 2 adds the IP address of the own device to the IP address of the monitoring device 4 included in the device list 51 of the setting information stored in the storage unit 14, and transmits the setting information to the network communication. It transmits from the part 15 (step S128).
The control unit of the monitoring device 4 updates the setting information stored in the storage unit to the received setting information (step S129).

The control unit of the monitoring device 4 transmits the ACK signal to the IP address of the monitoring device 2 that is the transmission source of the setting information from the network communication unit, and the network communication unit 15 of the monitoring device 2 receives the ACK signal from the monitoring device 4 ( Step S130). Since the monitoring device 4 has received the setting information from the monitoring device 2, the monitoring device 4 does not execute a process for transmitting the received setting information to another monitoring device.
With this sequence, if the user of the monitoring terminal 5 performs an operation of updating the setting information on the monitoring terminal 5, the setting information of the monitoring devices 2, 3, and 4 on the network 8 can be updated. Further, if the monitoring terminal 5 transmits the setting information to one monitoring device 2, the monitoring device 2 transfers the setting information to the other monitoring devices 3 and 4, so that the load on the monitoring terminal 5 can be reduced.
≪Addition of monitoring device≫
The overall operation of the monitoring system 1 when the monitoring device 4 of FIG. 1 is newly added to the monitoring system 1 will be described with reference to FIG. FIG. 11 is a sequence diagram showing a processing flow of the monitoring system when a monitoring device is newly installed in the monitoring system. In FIG. 11, the process of updating the polling reception time in the terminal apparatuses 2, 3, and 4 is omitted.

  In order to add the monitoring device 4 to the monitoring system 1, the user of the monitoring device 4 designates “execute” corresponding to “execute construction process” on the mode switching screen shown in FIG. Perform the operation. The control unit of the monitoring device 4 switches the operation mode to an additional mode in which the IP address of the own device is added to the setting information based on the pressing signal input from the operation unit (step S151).

After switching the operation mode to the addition mode, the control unit 11 of the monitoring device 4 transmits a transmission request for setting information to which the IP address on the network 8 of the own device is added from the network communication unit to the network 8 by broadcast ( Steps S152 and S153).
When the network communication unit 15 receives the setting information transmission request from the network communication unit 15, the control unit 11 of the monitoring device 2 transmits the setting information stored in the storage unit 14 to the IP address added to the setting information from the network communication unit 15. To do. The network communication unit of the monitoring device 4 receives the setting information from the monitoring device 2 (step S154). The control unit of the monitoring device 4 adds the IP address of the own device to the device list 51 of the setting information received from the monitoring device 2, and stores the updated setting information in the storage unit (step S155).

  When receiving the setting information transmission request from the network communication unit, the control unit of the monitoring device 3 transmits the setting information stored in the storage unit to the IP address added to the setting information from the network communication unit. The network communication unit of the monitoring device 4 receives the setting information from the monitoring device 3 (step S156). Since the control unit of the monitoring device 4 has already received the setting information from the monitoring device 2, the setting information received from the monitoring device 3 is discarded (step S157).

  The control unit of the monitoring device 4 is directed to the IP address excluding the IP address of the own device included in the device list 51 of the setting information stored in the storage unit in order, in this case, to the IP address of the monitoring device 2. The setting information is transmitted from the network communication unit by adding the IP address of the apparatus. The network communication unit 15 of the monitoring device 2 receives the setting information from the monitoring device 4 (step S158).

The control unit 11 of the monitoring device 2 updates the setting information stored in the storage unit 14 with the setting information received from the monitoring device 4 (step S159).
The control unit 11 of the monitoring device 2 transmits an ACK signal from the network communication unit 15 to the IP address of the monitoring device 4 that is the transmission source of the setting information, and the network communication unit of the monitoring device 4 receives the ACK signal from the monitoring device 2. (Step S160).

The control unit of the monitoring device 4 adds the IP address of the own device to the IP address of the monitoring device 3 included in the device list 51 of the setting information stored in the storage unit, and transmits the setting information from the network communication unit. . The network communication unit of the monitoring device 3 receives the setting information from the monitoring device 4 (step S161).
The control unit of the monitoring device 3 updates the setting information stored in the storage unit to the setting information received from the monitoring device 4 (step S162).

The control unit of the monitoring device 3 transmits an ACK signal from the network communication unit to the IP address of the monitoring device 4 that is the transmission source of the setting information, and the network communication unit of the monitoring device 4 receives the ACK signal from the monitoring device 3 ( Step S163).
The control unit of the monitoring device 4 switches the operation mode from the addition mode to the normal mode (step S164). As a result, the monitoring device 4 notifies the state change of the terminal device connected to the own device, the processing for the monitoring program transmission request from the monitoring terminal, and the processing when the setting information is received from the monitoring terminal or another monitoring device. Etc.

  The control unit 21 of the monitoring terminal 5 performs polling in order to the IP addresses included in the device list 51 of the setting information, in this case, including the IP address of the own device to the IP address of the monitoring device 2. Since the control unit 11 of the monitoring device 2 is the first polling after the setting information is updated, the setting information is transmitted from the network communication unit 15 to the IP address of the monitoring terminal 5 (step S165). When receiving the setting information from the monitoring device 2 by the network communication unit 25, the control unit 21 of the monitoring terminal 5 updates the stored setting information to the received setting information (step S166).

  The control unit 21 of the monitoring terminal 5 performs polling including the IP address of the own device to the IP address of the monitoring device 3 included in the device list 51 of the setting information. Since the control unit of the monitoring device 3 is the first polling after the setting information is updated, the setting information is transmitted from the network communication unit to the IP address of the monitoring terminal 5 (step S167). When receiving the setting information from the monitoring device 3 by the network communication unit 25, the control unit 21 of the monitoring terminal 5 updates the stored setting information to the received setting information (step S168).

  The control unit 21 of the monitoring terminal 5 performs polling including the IP address of the own device to the IP address of the monitoring device 4 included in the device list 51 of the setting information. Since the control unit of the monitoring device 4 is the first polling after the setting information is updated, the setting information is transmitted from the network communication unit to the IP address of the monitoring terminal 5 (step S169). When receiving the setting information from the monitoring device 4 by the network communication unit 25, the control unit 21 of the monitoring terminal 5 updates the stored setting information to the received setting information (step S170).

The control unit 21 of the monitoring terminal 5 performs polling including the IP address of its own device in order to the IP address included in the device list 51 of the setting information, and the monitoring devices 2, 3, 4 are updated after the setting information is updated. Therefore, the setting information is not transmitted to the IP address of the monitoring terminal 5 (steps S171, S172, and S173).
In addition, in order to determine whether it is the first poll after the setting information update, if there is a setting information update (excluding the update of the latest time when polling was received), a flag is set and the first polling is performed. On the other hand, the flag is cleared when the setting information is transmitted.

With this sequence, the user of the monitoring device 4 to be added to the monitoring system 1 already designates “execute” corresponding to “execute construction process” on the mode switching screen of FIG. It is possible to acquire setting information from other operating monitoring apparatuses and add the IP address of the own apparatus to the setting information, and to monitor the setting information after adding the IP address and the monitoring terminal operating on the network 8 Can be shared by devices.
≪Deleting the monitoring device≫
The overall operation of the monitoring system 1 when the monitoring device 4 is deleted from the monitoring system 1 of FIG. 1 will be described with reference to FIG. FIG. 12 is a sequence diagram illustrating a processing flow of the monitoring system when the monitoring device is deleted from the monitoring system. In FIG. 12, the process of updating the polling reception time in the terminal devices 2, 3, and 4 is omitted.

  The user of the monitoring device 4 designates “execute” corresponding to “execute removal processing” on the mode switching screen shown in FIG. 3 using the operation unit in order to delete the monitoring device 4 from the monitoring system 1. Perform the operation. The control unit of the monitoring device 4 switches the operation mode to a deletion mode in which the IP address of the own device is deleted from the setting information based on a press signal input from the operation unit (step S181).

The control unit of the monitoring device 4 deletes its own IP address from the device list 51 of the setting information stored in the storage unit (step S182).
The control unit of the monitoring device 4 sequentially addresses the IP address included in the device list 51 of the setting information after deletion of the IP address of the own device, in this case, the IP address of the own device addressed to the IP address of the monitoring device 2 And setting information is transmitted from the network communication unit. The network communication unit 15 of the monitoring device 2 receives the setting information from the monitoring device 4 (step S183).

The control unit 11 of the monitoring device 2 updates the setting information stored in the storage unit 14 to the setting information received from the monitoring device 4 (step S184).
The control unit 11 of the monitoring device 2 transmits an ACK signal from the network communication unit 15 to the IP address of the monitoring device 4 that is the transmission source of the setting information, and the network communication unit of the monitoring device 4 receives the ACK signal from the monitoring device 2. (Step S185).

The control unit of the monitoring device 4 adds the IP address of the own device to the IP address of the monitoring device 3 included in the device list 51 of the setting information stored in the storage unit, and transmits the setting information from the network communication unit. . The network communication unit of the monitoring device 3 receives the setting information from the monitoring device 4 (step S186).
The control unit of the monitoring device 3 updates the setting information stored in the storage unit to the setting information received from the monitoring device 4 (step S187).

The control unit of the monitoring device 3 transmits an ACK signal from the network communication unit to the IP address of the monitoring device 4 that is the transmission source of the setting information, and the network communication unit of the monitoring device 4 receives the ACK signal from the monitoring device 3 ( Step S188).
The control unit 21 of the monitoring terminal 5 performs polling in order to the IP addresses included in the device list 51 of the setting information, in this case, including the IP address of the own device to the IP address of the monitoring device 2. Since the control unit 11 of the monitoring device 2 is the first polling after the setting information is updated, the setting information is transmitted from the network communication unit 15 to the IP address of the monitoring terminal 5 (step S189). When receiving the setting information from the monitoring device 2 by the network communication unit 25, the control unit 21 of the monitoring terminal 5 updates the stored setting information to the received setting information (step S190).

  The control unit 21 of the monitoring terminal 5 performs polling including the IP address of the own device to the IP address of the monitoring device 3 included in the device list 51 of the setting information. Since the control unit of the monitoring device 3 is the first polling after the setting information is updated, the setting information is transmitted from the network communication unit to the IP address of the monitoring terminal 5 (step S191). When receiving the setting information from the monitoring device 3 via the network communication unit 25, the control unit 21 of the monitoring terminal 5 updates the stored setting information to the received setting information (step S192).

The control unit 21 of the monitoring terminal 5 performs polling including the IP address of its own device in order to the IP addresses included in the device list 51 of the setting information, and the monitoring devices 2 and 3 Therefore, the setting information is not transmitted to the IP address of the monitoring terminal 5 (steps S193 and S194).
In addition, in order to determine whether it is the first poll after the setting information update, if there is a setting information update (excluding the update of the latest time when polling was received), a flag is set and the first polling is performed. On the other hand, the flag is cleared when the setting information is transmitted.

By this sequence, the user of the monitoring device 4 to be deleted from the monitoring system 1 simply specifies “execute” corresponding to “execute removal process” on the mode switching screen of FIG. Can be shared by other monitoring devices and monitoring terminals operating on the network 8.
≪Overall operation of monitoring device≫
The overall operation of the monitoring device 2 in FIG. 1 will be described with reference to FIG. FIG. 13 is a flowchart showing the overall operation flow of the monitoring apparatus. The overall operation of the monitoring devices 3 and 4 is the same as that of the monitoring device 2 in the part related to the present invention.

The control unit 11 of the monitoring device 2 waits for an event to occur (step S201).
When an event occurs (S201: YES), the control unit 11 of the monitoring device 2 determines whether the generated event is a monitoring program transmission request reception (step S202). When the generated event is reception of a transmission request for the monitoring program (S202: YES), the control unit 11 of the monitoring device 2 performs startup setting information transmission processing (FIG. 14) (step S203), and returns to the processing of step S201. . On the other hand, when the generated event is not reception of the monitoring program transmission request (S202: NO), the process proceeds to step S204.

  The control unit 11 of the monitoring device 2 determines whether the generated event is polling reception (step S204). When the generated event is polling reception (S204: YES), the control unit 11 of the monitoring device 2 performs polling reception processing (FIG. 15) (step S205), and returns to the processing of step S201. On the other hand, if the generated event is not polling reception (S204: NO), the process proceeds to step S206.

  The control unit 11 of the monitoring device 2 determines whether the generated event is a state change detection (step S206). When the generated event is a state change detection (S206: YES), the control unit 11 of the monitoring device 2 performs a state change notification process (FIG. 16) (step S207) and returns to the process of step S201. On the other hand, when the generated event is not a state change detection (S206: NO), the process proceeds to step S208.

  The control unit 11 of the monitoring device 2 determines whether the generated event is reception of setting information (step S208). When the generated event is reception of setting information (S208: YES), the control unit 11 of the monitoring device 2 performs setting information reception processing (FIG. 17) (step S209), and proceeds to the processing of step S210. On the other hand, when the event that has occurred is not the reception of the setting information (S209: NO), the process proceeds to step S212.

  The control unit 11 of the monitoring device 2 determines whether the setting information is received from the monitoring terminal with reference to the setting information device list 51 and the automatic notification list 52 (step S210). When the setting information is received from the monitoring terminal (S210: YES), the control unit 11 of the monitoring device 2 performs setting information synchronization processing (FIG. 18) (step S211), and returns to the processing of step S201. On the other hand, when the setting information is received from another monitoring device (S210: NO), the process returns to step S201.

  The control unit 11 of the monitoring device 2 determines whether the generated event is reception of a setting information transmission request (step S212). When the generated event is reception of a setting information transmission request (S212: YES), the control unit 11 of the monitoring device 2 performs setting information transmission processing (FIG. 19) (step S213), and returns to the processing of step S201. On the other hand, if the generated event is not reception of a setting information transmission request (S212: NO), the process proceeds to step S214.

  The control unit 11 of the monitoring device 2 determines whether the generated event is a mode switch (step S214). When the generated event is mode switching (S214: YES), the control unit 11 of the monitoring device 2 performs an addition / deletion process (FIG. 20) (step S215), and subsequently performs a setting information synchronization process (FIG. 18) ( Step S216), the process returns to step S201. On the other hand, when the generated event is not mode switching (S214: NO), the process proceeds to step S217.

The control unit 11 of the monitoring device 2 determines whether the generated event is the end of processing (step S217). When the event that has occurred is the end of the process (S217: YES), the control unit 11 of the monitoring device 2 ends the process of FIG. On the other hand, if the event that has occurred is not the end of the process (S217: NO), the process returns to step S201.
<Start-up setting information transmission process>
The startup setting information transmission process (step S203) in FIG. 13 will be described with reference to FIG. FIG. 14 is a flowchart showing the flow of the startup setting information transmission process of FIG.

The control unit 11 of the monitoring device 2 acquires the IP address of the transmission request source included in the transmission request of the monitoring program, and adds the acquired IP address to the setting information automatic notification list 51 stored in the storage unit 14. (Step S301).
The control unit 11 of the monitoring device 2 substitutes the value “0” for the variable j (step S302).
The control unit 11 of the monitoring device 2 determines whether or not the value of the variable j is less than a predetermined value “N” (maximum number of times to retry transmission of setting information) (step S303). If the value of the variable j is less than N (S303: YES), the control unit 11 of the monitoring device 2 transmits the updated setting information to the IP address of the monitoring terminal that is the transmission request source of the monitoring program (step S304). The process proceeds to step S305. If the value of the variable j is not less than N (S303: NO), since the predetermined number of times that the transmission of the setting information is tried is exceeded, the retransmission of the setting information is stopped, and the step of FIG. The process returns to S201.

The control unit 11 of the monitoring device 2 determines whether an ACK signal is received from the monitoring terminal that transmitted the setting information (step S305). If an ACK signal has been received (S305: YES), the process returns to step S201 in FIG. On the other hand, if the ACK signal has not been received (S305: NO), the control unit 11 of the monitoring device 2 increases the value of the variable j by 1 (step S306), and returns to the process of step S303.
<Polling reception processing>
The polling reception process (step S205) in FIG. 13 will be described with reference to FIG. FIG. 15 is a flowchart showing the flow of the polling reception process of FIG.

  The control unit 11 of the monitoring device 2 determines whether it is the first polling reception after the setting information is updated (step S321). When the polling is received for the first time after the setting information is updated (S321: YES), the control unit 11 of the monitoring device 2 transmits the setting information stored in the storage unit 14 to the IP address of the monitoring terminal that is the polling source. (Step S322), the process proceeds to Step S323. On the other hand, if it is not the first polling reception after the setting information is updated (S321: NO), the process proceeds to step S323.

The control unit 11 of the monitoring device 2 receives the latest time when the polling corresponding to the IP address of the monitoring terminal as the polling source listed in the automatic notification list 52 of the setting information stored in the storage unit 14 is received. (Step S323), and the process returns to Step S201 of FIG.
<State change notification processing>
The state change notification process (step S207) in FIG. 13 will be described with reference to FIG. FIG. 16 is a flowchart showing the flow of the state change notification process of FIG.

The control unit 11 of the monitoring device 2 substitutes the value “1” for the variable j (step S341).
The control unit 11 of the monitoring device 2 determines whether the value of the variable j is less than or equal to the number of monitoring terminals “aNum” listed in the setting information automatic notification list 52 stored in the storage unit 14 (step S342). . If the value of variable j is less than the number “aNum” (S342: YES), the process proceeds to step S342. If the value of variable j is not less than the number “aNum” (S342: NO), step S201 in FIG. Return to.

  The control unit 11 of the monitoring device 2 refers to the setting information automatic notification list 52 stored in the storage unit 14 and determines the elapsed time from the time when the previous polling of the monitoring terminal indicated by the variable j is received. It is determined whether it is shorter than the given period (step S343). If it is shorter than the predetermined period (S343: YES), the process proceeds to step S344, and if not (S343: NO), the process proceeds to step S345.

The control unit 11 of the monitoring device 2 refers to the setting information automatic notification list 52 stored in the storage unit 14, and transmits the detected state change to the IP address of the monitoring terminal indicated by the variable j (step S344). ), The process proceeds to step S346.
The control unit 11 of the monitoring device 2 deletes the IP address of the monitoring terminal indicated by the variable j from the setting information automatic notification list 52 stored in the storage unit 14 and stores the deleted setting information in the storage unit 14. (Step S345), the process proceeds to Step S346.

The control unit 11 of the monitoring device 2 increases the value of the variable j by 1 (step S346), and returns to the process of step S342.
<Setting information reception processing>
The setting information reception process (step S209) in FIG. 13 will be described with reference to FIG. FIG. 17 is a flowchart showing the flow of the setting information reception process of FIG.

The control unit 11 of the monitoring device 2 updates the setting information stored in the storage unit 14 to the received setting information (step S361). The control unit 11 of the monitoring device 2 transmits an ACK signal to the IP address of the setting information transmission source device (step S362), and returns to step S201 of FIG.
<Setting information synchronization processing>
The setting information synchronization processing (steps S211 and S216) in FIG. 13 will be described with reference to FIG. FIG. 18 is a flowchart showing the flow of the setting information synchronization process of FIG.

The control unit 11 of the monitoring device 2 substitutes the value “1” for the variable k (step S381).
The control unit 11 of the monitoring device 2 determines whether the value of the variable k is equal to or less than the number of monitoring devices “dNum” listed in the setting information device list 51 stored in the storage unit 14 (step S382). If the value of the variable k is less than or equal to the number “dNum” (S382: YES), the process proceeds to step S383. If the value of the variable k is not less than the number “dNum” (S382: NO), step S201 in FIG. Return to.

  The control unit 11 of the monitoring device 2 refers to the device list 51 of the setting information stored in the storage unit 14 and determines whether the IP address of the monitoring device indicated by the variable k is the IP address of the own device ( Step S383). If the IP address of the monitoring device indicated by the variable j is the IP address of the own device (S383: YES), the process proceeds to step S389, and the IP address of the monitoring device indicated by the variable j is not the IP address of the own device (S383: NO), the process proceeds to step S384.

The control unit 11 of the monitoring device 2 substitutes the value “0” for the variable h (step S384).
The control unit 11 of the monitoring device 2 determines whether the variable h is less than a predetermined value “N” (maximum number of times to retry transmission of setting information) (step S385). If the value of the variable h is less than N (S385: YES), the control unit 11 of the monitoring device 2 refers to the device list 51 of the setting information stored in the storage unit 14, and refers to the monitoring device indicated by the variable k. The setting information after the setting update is transmitted to the IP address (step S386). On the other hand, if the value of the variable h is not less than N (S385: NO), since the predetermined number of attempts to transmit the setting information has been exceeded, the setting information is retransmitted to the monitoring device indicated by the variable k. This is stopped, and the process proceeds to step S389.

  The control unit 11 of the monitoring device 2 determines whether an ACK signal is received from the monitoring device that transmitted the setting information (step S387). If the ACK signal has not been received (S387: NO), the control unit 11 of the monitoring device 2 increases the value of the variable h by 1 (step S388), and returns to the process of step S385. On the other hand, if the ACK signal has been received (S387: YES), the process proceeds to step S389.

The control unit 11 of the monitoring device 2 increases the value of the variable k by 1 (step S389) and returns to the process of step S382.
<Setting information transmission processing>
The setting information transmission process (step S213) in FIG. 13 will be described with reference to FIG. FIG. 19 is a flowchart showing the flow of the setting information transmission process of FIG.

The control unit 11 of the monitoring device 2 transmits the setting information stored in the storage unit 14 to the IP address added to the setting information transmission request (to the IP address of the monitoring device that is the setting information transmission request source). (Step S401), the process returns to Step S201 of FIG.
<Add / delete processing>
The addition / deletion process (step S215) in FIG. 13 will be described with reference to FIG. FIG. 20 is a flowchart showing the flow of the add / delete process of FIG.

The control unit 11 of the monitoring device 2 determines whether or not the operation mode has been switched to the addition mode based on a pressing signal from the operation unit 12 (step S421). If the mode has been switched to the additional mode (S421: YES), the process proceeds to step S422. If the mode has not been switched to the additional mode (S421: NO), the process proceeds to step S426.
The control unit 11 of the monitoring device 2 transmits a setting information transmission request to which the IP address of the own device is added by broadcast from the network communication unit 15 to the network 8 (step S422).

The control unit 11 of the monitoring device 2 determines whether the setting information is received by the network communication unit 15 (step S423). If setting information has not been received (S423: NO), the process returns to step S422. If setting information has been received (S423: YES), the process proceeds to step S424.
The control unit 11 of the monitoring device 2 determines whether the received setting information is the first reception of the setting information after the transmission request is broadcast (step S424). If it is the first reception (S424: YES), the control unit 11 of the monitoring device 2 updates the setting information by adding the IP address of the own device to the device list 51 of the received setting information, and displays the updated setting information. The data is stored in the storage unit (step S425), and the process proceeds to step S216 in FIG. On the other hand, if it is not the first reception (S424: NO), the received setting information is discarded, and the process proceeds to step S216 in FIG.

The control unit 11 of the monitoring device 2 determines whether the operation mode has been switched to the deletion mode based on a pressing signal from the operation unit 12 (step S426). When the mode is switched to the deletion mode (S426: YES), the control unit 11 of the monitoring device 2 deletes the IP address of the own device from the device list 51 of the setting information stored in the storage unit 14, and sets the setting information. Update (step S427), the process proceeds to step S216 in FIG. On the other hand, when the mode has not been switched to the delete mode (S426: NO), the process proceeds to step S216 in FIG.
≪Overall operation of monitoring terminal≫
The overall operation of the monitoring terminal 5 in FIG. 1 will be described with reference to FIG. FIG. 21 is a flowchart showing the overall operation flow of the monitoring terminal. The overall operation of the monitoring terminals 6 and 7 is the same as that of the monitoring terminal 5 in relation to the present invention.

  The control unit 21 of the monitoring terminal 5 determines whether setting information has been received (step S501). If the setting information is received (S501: YES), the control unit 11 of the monitoring terminal 5 transmits an ACK signal to the IP address of the monitoring device that is the transmission source of the setting information (step S502), and initialization processing (FIG. 22). (Step S503), the process proceeds to Step S504. On the other hand, if the setting information is not received (S501: NO), the processing in FIG. 21 is terminated.

The control unit 21 of the monitoring terminal 5 waits for an event to occur (step S504).
When an event occurs (S504: YES), the control unit 21 of the monitoring terminal 5 determines whether the generated event is reception of setting information (step S505). When the generated event is reception of setting information (S505: YES), the control unit 21 of the monitoring terminal 5 performs setting information update processing (FIG. 23) (step S506), and returns to the processing of step S504. On the other hand, if the event that has occurred is not the reception of setting information (S505: NO), the process proceeds to step S507.

  The control unit 21 of the monitoring terminal 5 determines whether the event that has occurred is a status change notification (step S507). When the generated event is reception of a state change notification (S507: YES), the control unit 21 of the monitoring terminal 5 performs state change output processing (FIG. 24) (step S508), and returns to the processing of step S504. On the other hand, when the generated event is not the reception of the state change notification (S507: NO), the process proceeds to step S509.

  The control unit 21 of the monitoring terminal 5 determines whether the event that has occurred is a monitoring program stop request (step S509). If the generated event is a request to stop the monitoring program (S509: YES), the processing in FIG. On the other hand, when the generated event is not a request to stop the monitoring program (S509: NO), the control unit 21 of the monitoring terminal 5 performs polling transmission processing (FIG. 25) (step S510), and proceeds to the processing of step S511. Note that it is determined that a monitoring program stop request has been made, for example, when a user performs a monitoring program stop operation using the operation unit 22, and is based on a press signal input from the operation unit 22. Determined.

The control unit 21 of the monitoring terminal 5 determines whether the setting information update operation has been performed using the setting information change screen of FIG. 7 based on a pressing signal input from the operation unit 22 (step S511). When the setting information has been updated (S511: YES), the control unit 21 of the monitoring terminal 5 executes the setting information update process (FIG. 26) (step S512), and returns to the process of step S504. On the other hand, if the setting information has not been updated (S511: NO), the process returns to step S504.
<Initialization process>
The initialization process (step S503) in FIG. 21 will be described with reference to FIG. FIG. 22 is a flowchart showing a flow of the initialization process of FIG.

The control unit 21 of the monitoring terminal 5 reads information necessary for the operation of the monitoring program from the received setting information (step S601), substitutes a value “0” for the variable i (step S602), and performs the process of step S504 in FIG. Return to.
<Setting information update processing>
The setting information update process (step S506) in FIG. 21 will be described with reference to FIG. FIG. 23 is a flowchart showing the flow of the setting information update process of FIG.

The control unit 21 of the monitoring terminal 5 reads information necessary for the operation of the monitoring program from the received setting information (step S621), and returns to the process of step S504 in FIG. Note that the control unit 21 of the monitoring terminal 5 operates with the information read in step S621.
<State change notification processing>
The state change notification process (step S508) in FIG. 21 will be described with reference to FIG. FIG. 24 is a flowchart showing the flow of the state change notification process of FIG.

The control unit 21 of the monitoring terminal 5 refers to the setting information display color list 53 and the individual setting information list 55, and displays an alarm pop-up display or a setting period buzzer based on the IP address and state change included in the state change notification. Alarm processing such as sound output is performed (step S641), and the process returns to step S504 in FIG.
<Polling transmission processing>
The polling transmission process (step S510) in FIG. 21 will be described with reference to FIG. FIG. 25 is a flowchart showing the flow of the polling transmission process of FIG.

  The control unit 21 of the monitoring terminal 5 determines whether the value of the variable i is less than or equal to the number of terminal monitoring devices “dNum” listed in the device list 51 of the setting information (step S661). If the value of the variable i is not less than the number “dNum” (S661: NO), the control unit 21 of the monitoring terminal 5 substitutes the value “1” for the variable i (step S662), and proceeds to the process of step S663. On the other hand, if the value of the variable i is equal to or less than the number “dNum” (S661: YES), the process proceeds to step S663.

The control unit 21 of the monitoring terminal 5 performs polling from the network communication unit 25 to the IP address of the monitoring device indicated by the variable i in the device list 51 of the setting information (step S663), and is described in the common setting information list 54 of the setting information. The sleep period sleeps (step S664). And the control part 21 of the monitoring terminal 5 increases the value of the variable i by 1 (step S665), and progresses to the process of step S511 of FIG.
<Send setting information>
The setting information transmission (step S512) in FIG. 21 will be described with reference to FIG. FIG. 26 is a flowchart showing the flow of the setting information transmission process of FIG.

The control unit 21 of the monitoring terminal 5 substitutes the value “0” for the variable j (step S681).
The control unit 21 of the monitoring terminal 5 determines whether or not the variable j is less than a predetermined value “N” (maximum number of times to retry transmission of setting information) (step S682). If the value of the variable j is less than N (S682: YES), the control unit 21 of the monitoring terminal 5 sets the variable i in the device list 51 of the setting information (the value set in step S602 in FIG. 22 or step S665 in FIG. 25). The updated setting information is transmitted to the IP address of the monitoring device indicated by () (step S683). On the other hand, if the value of the variable j is not less than N (S682: NO), the predetermined number of transmissions of the setting information is exceeded, so the setting information is retransmitted to the monitoring device indicated by the variable i. This is stopped, and the process returns to step S504 of FIG.

The control unit 21 of the monitoring terminal 5 determines whether an ACK signal has been received from the monitoring device that has transmitted the setting information (step S684). If the ACK signal has not been received (S684: NO), the control unit 21 of the monitoring terminal 5 increases the value of the variable j by 1 (step S685), and returns to the process of step S682. On the other hand, if the ACK signal has been received (S684: YES), the control unit 21 of the monitoring terminal 5 increases the value of the variable j by 1 (step S685), and returns to the process of step S682.
<Supplement>
(1) In the above embodiment, an example in which a monitoring device newly added to the monitoring system 1 transmits a setting information transmission request to the network 8 by broadcast in order to acquire setting information from another monitoring device. However, the present invention is not limited to this and may be multicast.
(2) In the above embodiment, when a monitoring device is added to the monitoring system 1, it is detected that “execution” corresponding to “execution processing is executed” is specified on the mode switching screen of FIG. In this case, an example has been described in which the add mode is set and the setting information transmission request is broadcast on the network 8. However, the present invention is not limited to this, and is added when it is detected that the monitoring device is connected to the network. The setting information transmission request may be broadcast or multicast on the network 8 in the mode.
(3) As a monitoring program transmitted from the monitoring apparatus to the monitoring terminal in the above embodiment, for example, a program described in a high-level language may be used, or an executable program that can be executed as it is by the monitoring terminal There may be.
(4) A program describing a processing procedure equivalent to the processing described in the above embodiment may be stored in a memory and processed using a CPU (Central Processing Unit) or the like. The program may be recorded on a recording medium such as a CD-ROM that can be read by a computer or the like.

1 is an overall configuration diagram of a monitoring system according to an embodiment of the present invention. The block diagram of the monitoring apparatus of FIG. The figure which shows an example of the mode switching screen displayed on the display part of FIG. The block diagram of the monitoring terminal of FIG. The figure which shows an example of the status display screen displayed on the display part of FIG. The figure which shows an example of the monitoring screen displayed on the display part of FIG. The figure which shows an example of the setting information change screen displayed on the display part of FIG. The figure which shows an example of setting information. The sequence diagram which shows the flow of a process of the monitoring system from the start of the monitoring operation | movement of the monitoring terminal of FIG. 1 to completion | finish. The sequence diagram which shows the flow of a process of the monitoring system in case setting information is shared by the monitoring terminal and monitoring apparatus of the monitoring system of FIG. The sequence diagram which shows the flow of a process of the monitoring system in case a monitoring apparatus is newly installed in the monitoring system of FIG. The sequence diagram which shows the flow of a process of the monitoring system in the case of deleting a monitoring apparatus from the monitoring system of FIG. The flowchart which shows the flow of the whole operation | movement of the monitoring apparatus of FIG. 14 is a flowchart showing the flow of startup setting information transmission processing in FIG. 13. 14 is a flowchart showing a flow of polling reception processing in FIG. 13. 14 is a flowchart showing a flow of state change notification processing of FIG. 13. 14 is a flowchart showing a flow of setting information reception processing of FIG. 13. 14 is a flowchart showing a flow of setting information synchronization processing of FIG. 13. 14 is a flowchart showing a flow of setting information transmission processing of FIG. 13. 14 is a flowchart showing the flow of addition / deletion processing in FIG. The flowchart which shows the flow of the whole operation | movement of the monitoring terminal of FIG. The flowchart which shows the flow of the initialization process of FIG. The flowchart which shows the flow of the setting information update process of FIG. The flowchart which shows the flow of the state change output process of FIG. The flowchart which shows the flow of the polling transmission process of FIG. The flowchart which shows the flow of the setting information transmission process of FIG. The block diagram of the building group management apparatus currently disclosed by patent document 1. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Monitoring system 2, 3, 4 Monitoring apparatus 5, 6, 7 Monitoring terminal 11 Control part 12 Operation part 13 Display part 14 Storage part 15 Network communication part 16 Terminal communication part

Claims (7)

In a monitoring system having a monitoring device and a monitoring terminal connected to each of the monitoring devices via a network,
The monitoring device
Program storage means for storing a monitoring program to be executed by the monitoring terminal in order for the monitoring terminal to acquire monitoring information from each of the monitoring devices;
Setting information storage means for storing setting information for the operation of the monitoring program including the address of each monitoring terminal;
Upon receiving the monitoring program transmission request from the monitoring terminal, a request to transmit the monitoring program stored in the program storage unit and the setting information stored in the setting information storage unit to the monitoring terminal A response means;
With
The monitoring terminal is
Monitoring program request means for transmitting a transmission request for the monitoring program to any of the monitoring devices;
Response receiving means for receiving the monitoring program and the setting information from the monitoring device as a response to the transmission request of the monitoring program;
A program execution unit that executes the monitoring program received by the response receiving unit and collects monitoring information from the monitoring device while communicating with each monitoring device based on an address included in the setting information;
A monitoring system characterized by comprising: A monitoring device for connecting a monitoring terminal via a network,
Program storage means for storing a monitoring program to be executed by the monitoring terminal in order for the monitoring terminal to acquire monitoring information from a monitoring device on a network;
Setting information storage means for storing setting information for the operation of the monitoring program including the address of each monitoring terminal;
Upon receiving the monitoring program transmission request from the monitoring terminal, a request to transmit the monitoring program stored in the program storage unit and the setting information stored in the setting information storage unit to the monitoring terminal A response means;
A monitoring device comprising: When the setting information is changed in the monitoring terminal, when the changed setting information transmitted to any address included in the setting information is received from the monitoring terminal, other than the own device included in the setting information Setting information transfer means for transferring the received setting information to the address of the monitoring device;
A setting information update unit that updates the setting information stored in the setting information storage unit to be the same as the received setting information when receiving the setting information from either the monitoring terminal or another monitoring device;
The monitoring apparatus according to claim 2, further comprising: When the operation mode is an operation mode for adding the address of the own device to the setting information, setting information requesting means for transmitting a setting information transmission request to the network by broadcast or multicast;
Setting information receiving means for receiving setting information transmitted from another monitoring device as a response to the transmission request for setting information transmitted by the setting information requesting means;
Address adding means for adding the address of the own device to the setting information received by the setting information receiving means;
Setting information storage means for storing setting information after address addition by the address addition means in the setting information storage means;
Setting information transmitting means for transmitting the setting information after the address addition by the address adding means to the address of a monitoring device other than the own device included in the setting information;
The monitoring apparatus according to claim 3, further comprising: When the operation mode is an operation mode for deleting the address of the own device from the setting information, an address deleting unit for deleting the address of the own device from the setting information stored in the setting information storage unit;
Setting information transmitting means for transmitting the setting information after address deletion by the address deleting means to the address of the monitoring device included in the setting information;
The monitoring apparatus according to claim 3, further comprising: Program storage means for storing a monitoring program to be executed by the monitoring terminal in order for the monitoring terminal to acquire monitoring information from a monitoring device on the network, and for the operation of the monitoring program including the address of each of the monitoring terminals A monitoring method performed in a monitoring device having setting information storage means for storing setting information,
A transmission request reception procedure for receiving a transmission request for the monitoring program from the monitoring terminal;
A request response for transmitting the monitoring program stored in the program storage means and the setting information stored in the setting information storage means to the monitoring terminal that has received the transmission request received in the transmission request reception procedure Procedure and
The monitoring method characterized by having. Program storage means for storing a monitoring program to be executed by the monitoring terminal in order for the monitoring terminal to acquire monitoring information from a monitoring device on the network, and for the operation of the monitoring program including the address of each of the monitoring terminals In a monitoring device having setting information storage means for storing setting information,
A transmission request reception procedure for receiving a transmission request for the monitoring program from the monitoring terminal;
A request response for transmitting the monitoring program stored in the program storage means and the setting information stored in the setting information storage means to the monitoring terminal that has received the transmission request received in the transmission request reception procedure Procedure and
The monitoring apparatus program characterized by performing this.

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