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JP2008035011A - Monitoring system - Google Patents

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JP2008035011A
JP2008035011A JP2006204149A JP2006204149A JP2008035011A JP 2008035011 A JP2008035011 A JP 2008035011A JP 2006204149 A JP2006204149 A JP 2006204149A JP 2006204149 A JP2006204149 A JP 2006204149A JP 2008035011 A JP2008035011 A JP 2008035011A
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monitoring
information
address
server
equipment
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Takeshi Imai
毅 今井
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Kawamura Electric Inc
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Abstract

【課題】 監視システムの適応範囲を拡大し、多様なネットワーク環境下で設備機器の動作状態を的確に監視する。
【解決手段】 設備機器を監視する複数の監視サーバにIPネットワークを介して監視端末3を接続する。監視サーバは、設備機器の動作情報に自身のIPアドレスと自身を他の監視サーバから区別するID情報とを付加したパケットを監視端末3に定期的に送信する。監視端末3は、受信パケットから送信元監視サーバのIPアドレスとID情報とを取得し、双方を関連付けてサーバ情報登録部20に登録する。これにより、IPアドレスが動的に変化するネットワーク環境下でも、監視端末3は変化しないID情報に基づいて送信元監視サーバのIPアドレスをパケット受信の都度に更新できる。
【選択図】 図3
PROBLEM TO BE SOLVED: To accurately monitor the operating state of equipment in various network environments by expanding the applicable range of a monitoring system.
A monitoring terminal is connected to a plurality of monitoring servers that monitor facility equipment via an IP network. The monitoring server periodically transmits to the monitoring terminal 3 a packet in which its own IP address and ID information for distinguishing itself from other monitoring servers are added to the operation information of the equipment. The monitoring terminal 3 acquires the IP address and ID information of the transmission source monitoring server from the received packet, and registers both in the server information registration unit 20 in association with each other. Thereby, even in a network environment in which the IP address dynamically changes, the monitoring terminal 3 can update the IP address of the transmission source monitoring server every time a packet is received based on the ID information that does not change.
[Selection] Figure 3

Description

本発明は、IPネットワークを利用して各種設備機器の動作状態を監視するシステムに関する。   The present invention relates to a system for monitoring the operating state of various equipment using an IP network.

従来、図5に示すように、設備機器を監視する複数の監視サーバ51にIPネットワーク52を介して監視端末61を接続し、設備機器の動作情報を監視サーバ51から複数の監視端末61に提供する監視システム50が知られている。例えば、特許文献1には、温度、湿度、電力、扉の開閉状態等の監視や、電気錠や換気装置等の電気機器の制御を遠隔地で行うネットワーク環境監視システムが記載されている。
特開2005−92405号公報
Conventionally, as shown in FIG. 5, a monitoring terminal 61 is connected to a plurality of monitoring servers 51 that monitor facility equipment via an IP network 52, and operation information of the equipment is provided from the monitoring server 51 to a plurality of monitoring terminals 61. A monitoring system 50 is known. For example, Patent Document 1 describes a network environment monitoring system that remotely monitors temperature, humidity, power, door open / closed state, and the like, and controls electrical devices such as electric locks and ventilators.
JP 2005-92405 A

従来の監視サーバ51は、図6に示すように、センサを用いて設備機器の動作情報を取得する監視処理実行部53と、この動作情報を監視端末61に送信するパケット送信部54と、自身のIPアドレスを保持する自己アドレス保持部55と、複数の監視端末61のIPアドレスを登録する端末アドレス登録部56とを備えている。そして、監視サーバ51は、設備機器の動作情報に自身のIPアドレスを付加したUDPパケットをパケット送信部54から監視端末61に定期的に送信するようになっている。   As shown in FIG. 6, the conventional monitoring server 51 includes a monitoring process execution unit 53 that acquires operation information of equipment using a sensor, a packet transmission unit 54 that transmits this operation information to the monitoring terminal 61, and itself. A self-address holding unit 55 that holds the IP addresses of the monitoring terminals 61 and a terminal address registration unit 56 that registers the IP addresses of the plurality of monitoring terminals 61. The monitoring server 51 periodically transmits a UDP packet in which its own IP address is added to the operation information of the equipment to the monitoring terminal 61 from the packet transmission unit 54.

監視端末61は、図7に示すように、UDPパケットを受信するパケット受信部62と、設備機器の動作情報を表示する表示部63と、複数の監視サーバ51のIPアドレスを登録するサーバアドレス登録部64とを備えている。そして、監視端末61は、図8に示すように、監視サーバ51からUDPパケットを受信すると(S71)、このパケットから送信元監視サーバ51のIPアドレスを取得し(S72)、このIPアドレスが登録済みであるか否かを確認し(S73)、登録済である場合に限り、設備機器の動作情報を表示部63に表示するように構成されている(S74)。   As shown in FIG. 7, the monitoring terminal 61 includes a packet receiving unit 62 that receives a UDP packet, a display unit 63 that displays operation information of equipment, and a server address registration that registers the IP addresses of a plurality of monitoring servers 51. Part 64. As shown in FIG. 8, when receiving the UDP packet from the monitoring server 51 (S71), the monitoring terminal 61 acquires the IP address of the transmission source monitoring server 51 from this packet (S72), and this IP address is registered. It is configured to check whether or not it has been completed (S73), and display the operation information of the equipment on the display unit 63 only when it has been registered (S74).

ところが、従来の監視システム50によると、監視サーバ51のIPアドレスが予め決められていて、このアドレスをユーザが監視端末61ごとに登録しているため、DDNSサービスを提供するプロバイダが監視サーバ51のIPアドレスを動的に決めるようなネットワーク環境下では、監視端末61が監視サーバ51にアクセスできなくなる不都合があった。また、複数の監視サーバ51がルータを用いて同じグローバルIPアドレスを共有している場合には、監視端末61が監視サーバ51を個別に認識できず、必要な情報を取得できなくなるという問題点もあった。   However, according to the conventional monitoring system 50, the IP address of the monitoring server 51 is determined in advance, and the user registers this address for each monitoring terminal 61. There is a problem that the monitoring terminal 61 cannot access the monitoring server 51 under a network environment in which the IP address is dynamically determined. In addition, when a plurality of monitoring servers 51 share the same global IP address using a router, the monitoring terminal 61 cannot individually recognize the monitoring servers 51 and cannot acquire necessary information. there were.

本発明の目的は、これらの問題点を解決し、より広範囲のネットワーク環境に適応できる監視システムを提供することにある。   An object of the present invention is to solve these problems and provide a monitoring system that can be applied to a wider range of network environments.

上記課題を解決するために、本発明の監視システムは、設備機器を監視する複数の監視サーバにIPネットワークを介して監視端末を接続し、設備機器の動作情報を監視サーバから監視端末に提供するシステムにおいて、それぞれの監視サーバが設備機器の動作情報と自身のIPアドレスと自身を他の監視サーバから区別するID情報とを含むパケットを送信する手段を備え、監視端末が監視サーバから受信したパケット中のIPアドレスとID情報とを関連付けて登録する手段を備えたことを特徴とする。   In order to solve the above problems, a monitoring system of the present invention connects a monitoring terminal to a plurality of monitoring servers that monitor facility equipment via an IP network, and provides operation information of the facility equipment from the monitoring server to the monitoring terminal. In the system, each monitoring server includes means for transmitting a packet including the operation information of the equipment, its own IP address, and ID information for distinguishing itself from other monitoring servers, and the packet received by the monitoring terminal from the monitoring server. It is characterized in that there is provided means for associating and registering the IP address and ID information.

本発明の監視システムによれば、監視サーバがIPアドレスと共にID情報を監視端末に通知するので、IPアドレスが動的に変化する場合でも、監視端末は変化しないID情報に基づいて送信元の監視サーバを識別し、該サーバのIPアドレスを受信の都度に更新することができる。また、複数の監視サーバが同じグローバルIPアドレスを共有している場合でも、監視端末はそれぞれ異なるID情報に基づいて複数の監視サーバを個別に認識することができる。したがって、監視システムの適応範囲を拡大して、多様なネットワーク環境下で設備機器の動作状態を的確に監視できるという効果がある。   According to the monitoring system of the present invention, since the monitoring server notifies the monitoring terminal of the ID information together with the IP address, the monitoring terminal monitors the transmission source based on the ID information that does not change even when the IP address changes dynamically. The server can be identified and the IP address of the server can be updated each time it is received. Even when a plurality of monitoring servers share the same global IP address, the monitoring terminal can individually recognize the plurality of monitoring servers based on different ID information. Therefore, there is an effect that the operating range of the equipment can be accurately monitored under various network environments by expanding the applicable range of the monitoring system.

以下、本発明を実施するための最良の形態を図面に基づいて説明する。図1に示すように、この実施形態の監視システム1は、複数台の監視サーバ2と複数台の監視端末3とを備えている。監視サーバ2と監視端末3は、インターネットやイントラネット等のIPネットワーク4を介して双方向通信可能に接続されている。監視サーバ2は、例えば、自家発電設備の温度や発電力、電気機器の電圧や接点、通信機器収納ラックの湿度や施錠状態等を監視し、これらの設備機器の動作情報を監視端末3に提供する。そして、パソコンや携帯電話等の監視端末3が各設備機器の動作状態を遠隔地で監視または制御できるようになっている。   Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings. As shown in FIG. 1, the monitoring system 1 of this embodiment includes a plurality of monitoring servers 2 and a plurality of monitoring terminals 3. The monitoring server 2 and the monitoring terminal 3 are connected so as to be capable of bidirectional communication via an IP network 4 such as the Internet or an intranet. The monitoring server 2 monitors, for example, the temperature and power generation of the private power generation equipment, the voltage and contacts of the electrical equipment, the humidity and the locked state of the communication equipment storage rack, and provides operation information of these equipment to the monitoring terminal 3 To do. A monitoring terminal 3 such as a personal computer or a mobile phone can monitor or control the operating state of each equipment device at a remote place.

図2に示すように、監視サーバ2には、センサを用いて設備機器の動作情報を取得する監視処理実行部11と、この動作情報を監視端末3に送信するパケット送信部12と、監視端末3のIPアドレスを登録する端末アドレス登録部13と、自身のIPアドレスを保持する自己アドレス保持部14と、自身を他の監視サーバ2から区別するためのID情報を保持するID情報保持部15と、監視サーバ2の全体を制御するCPU16とが設けられている。そして、監視サーバ2は、設備機器の動作情報に自身のIPアドレスとID情報とを付加したUDPパケット(TCPパケットでもよい)をパケット送信部12から監視端末3に定期的に送信するようになっている。   As shown in FIG. 2, the monitoring server 2 includes a monitoring process execution unit 11 that acquires operation information of equipment using a sensor, a packet transmission unit 12 that transmits this operation information to the monitoring terminal 3, and a monitoring terminal 3, a terminal address registration unit 13 for registering the IP address 3, a self address holding unit 14 for holding its own IP address, and an ID information holding unit 15 for holding ID information for distinguishing itself from other monitoring servers 2. And a CPU 16 that controls the entire monitoring server 2. Then, the monitoring server 2 periodically transmits a UDP packet (which may be a TCP packet) in which its own IP address and ID information are added to the operation information of the equipment from the packet transmission unit 12 to the monitoring terminal 3. ing.

図3に示すように、監視端末3には、監視サーバ2からUDPパケットを受信するパケット受信部18と、設備機器の動作情報を表示する表示部19と、複数の監視サーバ2のID情報とIPアドレスとを関連付けて登録するサーバ情報登録部20と、監視端末3の全体を制御するCPU21とが設けられている。そして、CPU21は図4に示すような監視プログラムを実行し、監視サーバ2から受信したUDPパケット中のID情報に基づいて、監視サーバ2のIPアドレスを更新するようになっている。   As shown in FIG. 3, the monitoring terminal 3 includes a packet receiving unit 18 that receives a UDP packet from the monitoring server 2, a display unit 19 that displays operation information of the equipment, and ID information of a plurality of monitoring servers 2. A server information registration unit 20 that registers and associates IP addresses with each other and a CPU 21 that controls the entire monitoring terminal 3 are provided. Then, the CPU 21 executes a monitoring program as shown in FIG. 4 and updates the IP address of the monitoring server 2 based on the ID information in the UDP packet received from the monitoring server 2.

次に、上記のように構成された監視システム1の動作について説明する。設備機器の監視にあたり、監視サーバ2はセンサを用いて設備各部の動作情報を取得し、取得した情報に自身のIPアドレスとID情報とを付加してUDPパケットを作成し、IPネットワーク4を介してそのパケットを定期的に監視端末3に送信する。そして、監視端末3が監視サーバ2からUDPパケットを受信すると(図4:S31)、受信したパケットから送信元監視サーバ2のID情報を取得し(S32)、このID情報がサーバ情報登録部20に予め登録されている情報と一致するか否かを確認する(S33)。   Next, the operation of the monitoring system 1 configured as described above will be described. When monitoring the equipment, the monitoring server 2 acquires operation information of each part of the equipment using a sensor, adds its own IP address and ID information to the acquired information, creates a UDP packet, and passes through the IP network 4 The packet is periodically transmitted to the monitoring terminal 3. When the monitoring terminal 3 receives the UDP packet from the monitoring server 2 (FIG. 4: S31), the ID information of the transmission source monitoring server 2 is acquired from the received packet (S32), and this ID information is the server information registration unit 20. It is confirmed whether or not it matches the information registered in advance (S33).

受信したID情報が登録済である場合には、続いて、監視端末3はUDPパケットから送信元監視サーバ2のIPアドレスを取得し(S34)、取得したIPアドレスを該当する監視サーバ2のID情報に関連付けてサーバ情報登録部20に登録する(S35)。このとき、監視サーバ2のIPアドレスがプロバイダによって変更されている場合には、前回登録されたIPアドレスが今回受信したIPアドレスに更新される。その後、監視端末3は受信したUDPパケットから設備機器の動作情報を取り出し、この情報を表示部19の画面に表示してユーザーに提供する(S36)。   If the received ID information has already been registered, then the monitoring terminal 3 acquires the IP address of the transmission source monitoring server 2 from the UDP packet (S34), and uses the acquired IP address as the ID of the corresponding monitoring server 2. The server information is registered in the server information registration unit 20 in association with the information (S35). At this time, if the IP address of the monitoring server 2 has been changed by the provider, the previously registered IP address is updated to the IP address received this time. Thereafter, the monitoring terminal 3 extracts the operation information of the equipment from the received UDP packet, displays this information on the screen of the display unit 19, and provides it to the user (S36).

したがって、この実施形態の監視システム1によれば、監視サーバ2がIPアドレスと共にID情報を監視端末3に定期的に通知するので、プロバイダがIPアドレスを動的に変化させるようなネットワーク環境下であっても、監視端末3は変化しないID情報に基づいて送信元監視サーバ2を正しく識別でき、このサーバ2のIPアドレスをパケット受信の都度に更新することができる。また、複数の監視サーバ2がルータで統合されているようなネットワーク環境下でも、監視端末3はそれぞれ異なるID情報に基づいて複数の監視サーバ2を個別に認識でき、目的の監視サーバ2にアクセスし、所要の情報を容易に取得することができる。   Therefore, according to the monitoring system 1 of this embodiment, since the monitoring server 2 periodically notifies the monitoring terminal 3 of the ID information together with the IP address, under a network environment where the provider dynamically changes the IP address. Even if it exists, the monitoring terminal 3 can correctly identify the transmission source monitoring server 2 based on the ID information that does not change, and can update the IP address of the server 2 each time a packet is received. Further, even in a network environment in which a plurality of monitoring servers 2 are integrated by a router, the monitoring terminal 3 can individually recognize the plurality of monitoring servers 2 based on different ID information and access the target monitoring server 2. Therefore, required information can be easily obtained.

本発明の一実施形態を示す監視システムの全体構成図である。1 is an overall configuration diagram of a monitoring system showing an embodiment of the present invention. 該システムの監視サーバを示すブロック図である。It is a block diagram which shows the monitoring server of this system. 該システムの監視端末を示すブロック図である。It is a block diagram which shows the monitoring terminal of this system. 該監視端末の動作を示すフローチャートである。It is a flowchart which shows operation | movement of this monitoring terminal. 従来の監視システムの全体構成図である。It is a whole block diagram of the conventional monitoring system. 従来の監視サーバを示すブロック図である。It is a block diagram which shows the conventional monitoring server. 従来の監視端末を示すブロック図である。It is a block diagram which shows the conventional monitoring terminal. 従来の監視端末の動作を示すフローチャートである。It is a flowchart which shows operation | movement of the conventional monitoring terminal.

符号の説明Explanation of symbols

1: 監視システム
2: 監視サーバ
3: 監視端末
4: IPネットワーク
11: 監視処理実行部
12: パケット送信部
14: 自己アドレス保持部
15: ID情報保持部
18: パケット受信部
20: サーバ情報登録部
21: CPU
DESCRIPTION OF SYMBOLS 1: Monitoring system 2: Monitoring server 3: Monitoring terminal 4: IP network 11: Monitoring process execution part 12: Packet transmission part 14: Self address holding part 15: ID information holding part 18: Packet receiving part 20: Server information registration part 21: CPU

Claims (1)

設備機器を監視する複数の監視サーバにIPネットワークを介して監視端末を接続し、設備機器の動作情報を監視サーバから監視端末に提供するシステムにおいて、
それぞれの監視サーバが、設備機器の動作情報と自身のIPアドレスと自身を他の監視サーバから区別するID情報とを含むパケットを送信する手段を備え、
監視端末が、監視サーバから受信したパケット中のIPアドレスとID情報とを関連付けて登録する手段を備えたことを特徴とする監視システム。
In a system in which a monitoring terminal is connected to a plurality of monitoring servers that monitor facility equipment via an IP network, and operation information of the facility equipment is provided from the monitoring server to the monitoring terminal.
Each monitoring server includes means for transmitting a packet including operation information of equipment, its own IP address, and ID information that distinguishes itself from other monitoring servers,
A monitoring system comprising: a monitoring terminal comprising means for registering an IP address and ID information in a packet received from a monitoring server in association with each other.
JP2006204149A 2006-07-27 2006-07-27 Monitoring system Pending JP2008035011A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014049747A1 (en) * 2012-09-26 2014-04-03 大和ハウス工業株式会社 Building-management communication system, building-management communication method, and building-management communication server
JP2017046180A (en) * 2015-08-26 2017-03-02 トヨタ自動車株式会社 Remote monitoring system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004005136A (en) * 2002-05-31 2004-01-08 Thermo System:Kk Remote monitoring system
JP2005092405A (en) * 2003-09-16 2005-04-07 Kawamura Electric Inc Network environment monitoring device
JP2006128737A (en) * 2004-09-30 2006-05-18 Sony Corp Communication terminal device and communication method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004005136A (en) * 2002-05-31 2004-01-08 Thermo System:Kk Remote monitoring system
JP2005092405A (en) * 2003-09-16 2005-04-07 Kawamura Electric Inc Network environment monitoring device
JP2006128737A (en) * 2004-09-30 2006-05-18 Sony Corp Communication terminal device and communication method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014049747A1 (en) * 2012-09-26 2014-04-03 大和ハウス工業株式会社 Building-management communication system, building-management communication method, and building-management communication server
JP2017046180A (en) * 2015-08-26 2017-03-02 トヨタ自動車株式会社 Remote monitoring system

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