JP2008131074A - Remote monitoring system - Google Patents

Remote monitoring system Download PDF

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JP2008131074A
JP2008131074A JP2006310193A JP2006310193A JP2008131074A JP 2008131074 A JP2008131074 A JP 2008131074A JP 2006310193 A JP2006310193 A JP 2006310193A JP 2006310193 A JP2006310193 A JP 2006310193A JP 2008131074 A JP2008131074 A JP 2008131074A
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monitoring
server
information
remote monitoring
terminal
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JP4886480B2 (en
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Mitsuhide Ishima
光英 石間
Yukihiro Usui
幸博 碓井
Tetsuo Katajima
哲男 片島
Kazuhiko Minamimei
和彦 南明
Tomoko Hattori
朋子 服部
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Toshiba Corp
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Toshiba Corp
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<P>PROBLEM TO BE SOLVED: To obtain a remote monitoring system capable of expanding the limit of the number of monitoring terminals to be connected without being limited to the number of addresses of a server network. <P>SOLUTION: A plurality of monitoring terminals 5 are connected to a plurality of monitoring terminal networks, and a remote monitoring server 1 is connected to the server network 2. A plurality of transmission proxy devices 3 are connected to the plurality of monitoring terminal networks 4, respectively, and control communications between the remote monitoring server 1 and monitoring terminals 5 based upon IP addresses of the remote the remote monitoring server 1 and itself, and IP addresses of the monitoring terminal 5 on the monitoring terminal networks 4 through the server network 2. Consequently, the monitoring terminals 5 can be installed without being limited to the number of addresses of the server network 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、通信ネットワークを介して遠隔に設置された監視端末と情報の送受信を行い監視端末を監視制御する遠隔監視システムに関する。   The present invention relates to a remote monitoring system that transmits and receives information to and from a monitoring terminal installed remotely via a communication network to monitor and control the monitoring terminal.

監視端末と遠隔監視サーバとを接続する通信ネットワークの伝送プロトコルには、通常、ＴＣＰ／ＩＰが使用されている。そして、監視端末と遠隔監視サーバとで相互通信を可能とするために、監視端末に一意のＩＰアドレスを付加している。遠隔監視システムとして、多数の被監視箇所を効率よく監視することができ、被監視箇所の変更・増加等に容易に対応できるようにしたものがある（例えば、特許文献１参照）。
特開２００４−１９９６１７号公報 TCP / IP is usually used as a transmission protocol of a communication network that connects a monitoring terminal and a remote monitoring server. In order to enable mutual communication between the monitoring terminal and the remote monitoring server, a unique IP address is added to the monitoring terminal. As a remote monitoring system, there is one that can efficiently monitor a large number of monitored locations and can easily cope with a change / increase in monitored locations (for example, see Patent Document 1).
Japanese Patent Laid-Open No. 2004-199617

しかし、遠隔監視サーバから特定の監視端末へ通信を行うためには、監視端末に対して遠隔監視サーバからみて一意のアドレスを割り当てる必要があるので、遠隔監視サーバが属するサーバ用ネットワークのアドレスの数に制限がある場合は、監視端末の台数をその制限を越えて設置することができない。   However, in order to communicate from a remote monitoring server to a specific monitoring terminal, it is necessary to assign a unique address to the monitoring terminal as seen from the remote monitoring server, so the number of addresses of the server network to which the remote monitoring server belongs If there is a limit, the number of monitoring terminals cannot be installed exceeding the limit.

また、異なる伝送プロトコルを有する監視端末を遠隔監視システムに追加する場合には、稼動中の遠隔監視サーバを停止して遠隔監視サーバに変更を加えて対応する必要がある。そのため、遠隔監視サーバが停止した間は一時的に監視ができない状態が発生する。   In addition, when a monitoring terminal having a different transmission protocol is added to the remote monitoring system, it is necessary to stop the remote monitoring server that is in operation and change the remote monitoring server. For this reason, a state occurs in which monitoring cannot be performed temporarily while the remote monitoring server is stopped.

遠隔監視サーバに障害が発生した場合、監視端末は遠隔監視サーバに転送すべき情報を蓄積するようにしているが、監視端末が蓄積できる量は少ないため、遠隔監視サーバの障害回復が遅れた場合には、監視端末内に蓄積してある古い監視情報が削除されるので、監視情報のすべてを取り込むことができず一部が欠落してしまう。また、遠隔監視サーバが障害から回復した場合に、監視端末が一斉に蓄積していた監視情報を遠隔監視サーバへ送信することになるため通信回線が混雑する。   When a failure occurs in the remote monitoring server, the monitoring terminal stores information that should be transferred to the remote monitoring server, but the amount of information that can be stored in the monitoring terminal is small, so the failure recovery of the remote monitoring server is delayed Since the old monitoring information stored in the monitoring terminal is deleted, all of the monitoring information cannot be taken in and a part of it is lost. In addition, when the remote monitoring server recovers from a failure, the monitoring information stored in the monitoring terminals all at once is transmitted to the remote monitoring server, so the communication line is congested.

監視員の対話手段の中枢となる遠隔監視サーバの障害発生時に監視端末からの監視情報を取得して蓄積しても、その確認が困難となることがある。   Even when monitoring information from a monitoring terminal is acquired and stored when a failure occurs in a remote monitoring server that is the center of the dialogue means of the monitoring staff, it may be difficult to confirm the information.

さらに、監視端末の数の増加に伴い、遠隔監視サーバ間のサーバ用ネットワーク負荷の増加が予想され、通知される監視情報に遅れがでる可能性がある。   Furthermore, with the increase in the number of monitoring terminals, an increase in server network load between remote monitoring servers is expected, and there is a possibility that the notified monitoring information will be delayed.

監視端末の保守（点検・修理、改造）や故障が多数存在し、本来不要な警報情報を遠隔監視サーバへ通信する状況にある場合、遠隔監視サーバやサーバ用ネットワークに不要な通信データが搬送されることがある。   When there are many maintenance (inspection / repair, modification) or failure of the monitoring terminal and it is in a situation where alarm information that is originally unnecessary is communicated to the remote monitoring server, unnecessary communication data is conveyed to the remote monitoring server or server network. Sometimes.

本発明の目的は、サーバ用ネットワークのアドレス数の制限を受けずに、監視端末の接続台数の制限を広げることができる遠隔監視システムを得ることである。   An object of the present invention is to obtain a remote monitoring system capable of widening the limit of the number of connected monitoring terminals without being limited by the number of addresses of the server network.

本発明の遠隔監視システムは、遠隔監視サーバと監視端末とをサーバ用ネットワークを介して接続し、前記遠隔監視サーバから前記監視端末に情報を送信するとともに前記監視端末から前記遠隔監視サーバに情報を送信して前記遠隔監視サーバで前記監視端末を監視制御する遠隔監視システムにおいて、複数の監視端末が接続される複数の監視端末用ネットワークと、複数の監視端末用ネットワークのそれぞれに接続され前記サーバ用ネットワークを介して前記遠隔監視サーバと自己のＩＰアドレス及び自己に接続される監視端末用ネットワークの監視端末のＩＰアドレスに基づいて前記遠隔監視サーバと前記監視端末との間の通信を制御する複数の伝送プロキシ装置とを備えたことを特徴とする。   The remote monitoring system of the present invention connects a remote monitoring server and a monitoring terminal via a server network, transmits information from the remote monitoring server to the monitoring terminal, and transmits information from the monitoring terminal to the remote monitoring server. In the remote monitoring system that transmits and monitors and controls the monitoring terminal with the remote monitoring server, the server is connected to each of a plurality of monitoring terminal networks to which a plurality of monitoring terminals are connected and a plurality of monitoring terminal networks. A plurality of remote control servers that control communication between the remote monitoring server and the monitoring terminal based on the IP address of the remote monitoring server via the network and the IP address of the monitoring terminal of the monitoring terminal network connected to the remote monitoring server; And a transmission proxy device.

本発明によれば、サーバ用ネットワークのアドレス数の制限を受けずに、監視端末の接続台数の制限を広げることができる遠隔監視システムを得ることができる。   ADVANTAGE OF THE INVENTION According to this invention, the remote monitoring system which can extend the restriction | limiting of the number of connection of a monitoring terminal, without being restrict | limited by the number of addresses of a server network can be obtained.

（第１の実施の形態）
図１は本発明の第１の実施の形態に係わる遠隔監視システムのブロック構成図である。図１において、遠隔監視サーバ１はサーバ用ネットワーク２に接続され、サーバ用ネットワーク２には複数の伝送プロキシ装置３Ａ、３Ｂが接続されている。図１では２台の伝送プロキシ装置３Ａ、３Ｂが接続された場合を示している。また、各々の伝送プロキシ装置３Ａ、３Ｂにはそれぞれ監視用ネットワーク４Ａ、４Ｂを介して複数の端末装置５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍが接続されている。 (First embodiment)
FIG. 1 is a block diagram of a remote monitoring system according to the first embodiment of the present invention. In FIG. 1, a remote monitoring server 1 is connected to a server network 2, and a plurality of transmission proxy devices 3 A and 3 B are connected to the server network 2. FIG. 1 shows a case where two transmission proxy devices 3A and 3B are connected. A plurality of terminal devices 5A1 to 5An and 5B1 to 5Bm are connected to the transmission proxy devices 3A and 3B via monitoring networks 4A and 4B, respectively.

そして、遠隔監視サーバ１からサーバ用ネットワーク２、伝送プロキシ装置３Ａ、３Ｂ及び監視端末用ネットワーク４を介して監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍに情報を送信するとともに、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから監視端末用ネットワーク４Ａ、４Ｂ伝送プロキシ装置３Ａ、３Ｂ及びサーバ用ネットワーク２を介して遠隔監視サーバ１に情報を送信して、遠隔監視サーバ１で監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍを監視制御する。その際、伝送プロキシ装置３Ａ、３Ｂは、遠隔監視サーバ１と自己のＩＰアドレス及び自己に接続される監視端末用ネットワーク４Ａ、４Ｂの監視端末のＩＰアドレスに基づいて、遠隔監視サーバ１と監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍとの間の通信を制御する。   The remote monitoring server 1 transmits information to the monitoring terminals 5A1 to 5An and 5B1 to 5Bm via the server network 2, the transmission proxy devices 3A and 3B, and the monitoring terminal network 4, and the monitoring terminals 5A1 to 5An and 5B1. ~ 5Bm transmits information to the remote monitoring server 1 via the monitoring terminal networks 4A, 4B transmission proxy devices 3A and 3B and the server network 2, and the monitoring terminals 5A1 to 5An and 5B1 to 5Bm are transmitted by the remote monitoring server 1 Monitor and control. At that time, the transmission proxy devices 3A and 3B are connected to the remote monitoring server 1 and the monitoring terminal based on the IP address of the remote monitoring server 1 and the IP addresses of the monitoring terminals of the monitoring terminal networks 4A and 4B connected thereto. Controls communication between 5A1 to 5An and 5B1 to 5Bm.

遠隔監視サーバ１は、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの情報処理、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍへの命令等の遠隔監視のメイン処理を行う監視制御手段１０１と、伝送プロキシ装置３Ａ、３Ｂとの通信を行う伝送プロキシ装置伝送手段１０２とを有し、また、少なくとも監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍが属するネットワーク識別情報と監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレスを格納する端末情報保存部１０３と、少なくともネットワーク識別情報とそのネットワークに対応する対応伝送プロキシ装置ＩＰアドレスを格納する伝送プロキシ装置情報保存部１０４とを備えている。   The remote monitoring server 1 includes a monitoring control unit 101 that performs main processing of remote monitoring such as information processing from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm, and instructions to the monitoring terminals 5A1 to 5An and 5B1 to 5Bm, and a transmission proxy device Transmission proxy device transmission means 102 for performing communication with 3A and 3B, and at least the network identification information to which the monitoring terminals 5A1 to 5An and 5B1 to 5Bm belong and the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm A terminal information storage unit 103 for storing, and a transmission proxy device information storage unit 104 for storing at least network identification information and a corresponding transmission proxy device IP address corresponding to the network are provided.

図２は端末情報保存部１０３に保存される端末情報ｄ１の説明図である。図２に示すように、端末情報保存部１０３には、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍが属するネットワーク識別情報Ａ、Ｂと監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレスからなる端末情報ｄ１が保存される。また、図３は伝送プロキシ装置情報保存部１０４に保存される伝送プロキシ装置情報ｄ２の説明図である。図３に示すように、伝送プロキシ装置情報保存部１０４にはネットワーク識別情報Ａ、Ｂとそのネットワークに対応する対応伝送プロキシ装置ＩＰアドレスとが保存される。   FIG. 2 is an explanatory diagram of the terminal information d1 stored in the terminal information storage unit 103. As shown in FIG. 2, the terminal information storage unit 103 includes terminal information d1 including network identification information A and B to which the monitoring terminals 5A1 to 5An and 5B1 to 5Bm belong and IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm. Is saved. FIG. 3 is an explanatory diagram of the transmission proxy device information d2 stored in the transmission proxy device information storage unit 104. As shown in FIG. 3, network identification information A and B and corresponding transmission proxy device IP addresses corresponding to the network are stored in the transmission proxy device information storage unit 104.

次に、伝送プロキシ装置３Ａ、３Ｂは、遠隔監視サーバ１へデータを送信するサーバ送信手段３０１と、遠隔監視サーバ１へ送信するデータに監視端末用ネットワーク４Ａ、４Ｂの識別情報を付加するネットワーク識別情報付加手段３０２と、遠隔監視サーバ１へ送信するデータに監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレスを付加する端末ＩＰアドレス付加手段３０３と、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからデータを受信する監視端末受信手段３０４と、遠隔監視サーバ１からデータを受信するサーバ受信手段３０５と、遠隔監視サーバ１から受信したデータから監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレスを取得する端末ＩＰアドレス解析手段３０６と、端末ＩＰアドレス解析手段３０６にて取得したＩＰアドレスの監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍへデータを送信する監視端末送信手段３０７とを備えている。   Next, the transmission proxy devices 3A and 3B include server transmission means 301 for transmitting data to the remote monitoring server 1, and network identification for adding identification information of the monitoring terminal networks 4A and 4B to the data to be transmitted to the remote monitoring server 1. The information adding means 302, the terminal IP address adding means 303 for adding the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm to the data to be transmitted to the remote monitoring server 1, and the data from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm Monitoring terminal receiving means 304 for receiving, server receiving means 305 for receiving data from the remote monitoring server 1, and terminal IP for acquiring the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm from the data received from the remote monitoring server 1 Obtained by the address analysis means 306 and the terminal IP address analysis means 306 IP address of the monitoring terminal 5A1～5An, and a monitoring terminal transmission unit 307 for transmitting data to the 5B1～5Bm.

遠隔監視サーバ１の監視制御手段１０１から監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍへ情報を送信する際には、伝送プロキシ装置伝送手段１０２に送信データと監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＤを渡し、伝送プロキシ装置伝送手段１０２では監視端末のＩＤを元に端末情報保存部１０３からはネットワーク識別情報と監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレス、伝送プロキシ装置情報保存部１０４からは対応伝送プロキシ装置ＩＰアドレスを取得し、送信データへ監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレスを付加した後に対応伝送プロキシ装置ＩＰアドレスのサーバ受信手段３０５に対し、サーバ用ネットワーク２を介してそのデータを送信する。サーバ受信手段３０５は、受信したデータを端末ＩＰアドレス解析手段３０６へ渡し、端末ＩＰアドレス解析手段３０６で端末ＩＰアドレスを取得した後、監視端末送信手段３０７にて監視端末用ネットワーク４Ａ、４Ｂを介して監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍへデータを送信する。   When transmitting information from the monitoring control unit 101 of the remote monitoring server 1 to the monitoring terminals 5A1 to 5An and 5B1 to 5Bm, the transmission data and the IDs of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm are sent to the transmission proxy device transmission unit 102. Based on the ID of the monitoring terminal, the transmission proxy device transmission means 102 responds from the terminal information storage unit 103 to the network identification information, the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm, and the transmission proxy device information storage unit 104. After obtaining the transmission proxy device IP address and adding the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm to the transmission data, the server receiving means 305 of the corresponding transmission proxy device IP address is sent via the server network 2 Send data. The server receiving unit 305 passes the received data to the terminal IP address analyzing unit 306, and after obtaining the terminal IP address by the terminal IP address analyzing unit 306, the monitoring terminal transmitting unit 307 passes through the monitoring terminal networks 4A and 4B. Then, data is transmitted to the monitoring terminals 5A1 to 5An and 5B1 to 5Bm.

一方、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから遠隔監視サーバ１の監視制御手段１０１へ情報を送信する際には、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍは伝送プロキシ装置３Ａ、３Ｂの監視端末受信手段３０４にデータを送信し、端末ＩＰアドレス付加手段３０３では監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレス、ネットワーク識別情報付加手段３０２では監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍのネットワーク識別情報をそのデータに付加した後に、サーバ送信手段３０１にてそのデータを遠隔監視サーバ１の伝送プロキシ装置伝送手段１０２へ送信する。伝送プロキシ装置伝送手段１０２では、受信したデータからネットワーク識別情報、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＰアドレスを取得し、端末情報保存部１０３の端末情報ｄ１、伝送プロキシ装置情報保存部１０４の伝送プロキシ装置情報ｄ２を元に監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＤを判別した後に、監視制御手段１０１に情報と監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５ＢｍのＩＤを受け渡す。   On the other hand, when transmitting information from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm to the monitoring control means 101 of the remote monitoring server 1, the monitoring terminals 5A1 to 5An and 5B1 to 5Bm receive the monitoring proxy terminals 3A and 3B. The data is transmitted to the means 304, the terminal IP address adding means 303 receives the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm, and the network identification information adding means 302 receives the network identification information of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm. After being added to the data, the server transmission unit 301 transmits the data to the transmission proxy device transmission unit 102 of the remote monitoring server 1. The transmission proxy device transmission means 102 acquires the network identification information and the IP addresses of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm from the received data, the terminal information d1 of the terminal information storage unit 103, the transmission proxy device information storage unit 104 After determining the IDs of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm based on the transmission proxy device information d2, the information and the IDs of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm are transferred to the monitoring control unit 101.

第１の実施の形態によれば、伝送プロキシ装置３を設けるとともに、端末情報保存部１０３及び伝送プロキシ装置情報保存部１０４を設け、遠隔監視サーバ１と監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍとの間の通信を伝送プロキシ装置３Ａ、３Ｂを中継して行うことで、サーバ用ネットワーク２のアドレス数の制限を受けずに監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍの台数を設置することが可能となる。   According to the first embodiment, the transmission proxy device 3 is provided, the terminal information storage unit 103 and the transmission proxy device information storage unit 104 are provided, and the remote monitoring server 1 and the monitoring terminals 5A1 to 5An and 5B1 to 5Bm are provided. By relaying communication between the transmission proxy devices 3A and 3B, the number of monitoring terminals 5A1 to 5An and 5B1 to 5Bm can be installed without being limited by the number of addresses of the server network 2. .

（第２の実施の形態）
図４は本発明の第２の実施の形態に係わる遠隔監視システムのブロック構成図である。この第２の実施の形態は、図１に示した第１の実施の形態に対し、伝送プロキシ装置３Ａ、３Ｂに、遠隔監視サーバ１の伝送プロトコルと異なる伝送プロトコルを遠隔監視サーバ１の伝送プロトコルに変換するプロトコル変換手段３０８を追加して設け、遠隔監視サーバ１の伝送プロトコルと異なる伝送プロトコルの監視端末５Ａ１’のシステムへの追加を可能としたものである。図１と同一要素には同一符号を付し重複する説明は省略する。 (Second Embodiment)
FIG. 4 is a block diagram of a remote monitoring system according to the second embodiment of the present invention. This second embodiment is different from the first embodiment shown in FIG. 1 in that a transmission protocol different from the transmission protocol of the remote monitoring server 1 is used for the transmission proxy devices 3A and 3B. The protocol conversion means 308 for converting to the remote monitoring server 1 is additionally provided to allow the monitoring terminal 5A1 ′ having a transmission protocol different from the transmission protocol of the remote monitoring server 1 to be added to the system. The same elements as those in FIG.

図４において、伝送プロキシ装置３Ａ、３Ｂには、遠隔監視サーバ１の伝送プロトコルと異なる伝送プロトコルである監視端末５から受信した監視情報を遠隔監視サーバ１に送信可能な形式に変換するプロトコル変換手段３０８が設けられている。   In FIG. 4, the transmission proxy devices 3 </ b> A and 3 </ b> B include protocol conversion means for converting the monitoring information received from the monitoring terminal 5, which is a transmission protocol different from the transmission protocol of the remote monitoring server 1, into a format that can be transmitted to the remote monitoring server 1. 308 is provided.

いま、遠隔監視サーバ１の伝送プロトコルと異なる伝送プロトコルである監視端末５は、監視端末用ネットワーク４Ａに接続される監視端末５Ａ１’であるとする。監視端末５Ａ１’からの監視情報は、監視端末ネットワーク４Ａを介して、伝送プロキシ装置３Ａのプロトコル変換手段３０８でプロトコル変換を行い監視端末受信手段３０４へ送信する。伝送プロキシ装置３Ａの監視端末受信手段３０４で受信した監視情報は、端末ＩＰアドレス付加手段３０３、ネットワーク識別情報付加手段３０２、サーバ送信手段３０１を経由して、遠隔監視サーバ１へ送信する。   Now, it is assumed that the monitoring terminal 5 having a transmission protocol different from the transmission protocol of the remote monitoring server 1 is the monitoring terminal 5A1 'connected to the monitoring terminal network 4A. The monitoring information from the monitoring terminal 5A1 'undergoes protocol conversion by the protocol conversion means 308 of the transmission proxy device 3A and is sent to the monitoring terminal reception means 304 via the monitoring terminal network 4A. The monitoring information received by the monitoring terminal receiving unit 304 of the transmission proxy device 3A is transmitted to the remote monitoring server 1 via the terminal IP address adding unit 303, the network identification information adding unit 302, and the server transmitting unit 301.

すなわち、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍとは異なる伝送プロトコルを使用する監視端末５Ａ１’からの監視情報は、監視端末ネットワーク４Ａを介して、伝送プロキシ装置３Ａのプロトコル変換手段３０８でプロトコル変換を行い、伝送プロキシ装置３Ａと同じデータ形式に変化して監視端末受信手段３０４へ送信する。このように、プロトコル変換手段３０８では、異なる伝送プロトコルを有する監視端末５Ａ１’から受信した監視情報を既存の遠隔監視サーバ１で処理可能な監視情報の形式に変換する。   That is, the monitoring information from the monitoring terminal 5A1 ′ that uses a transmission protocol different from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm is converted by the protocol conversion means 308 of the transmission proxy device 3A via the monitoring terminal network 4A. The data is changed to the same data format as the transmission proxy device 3A and transmitted to the monitoring terminal receiving unit 304. Thus, the protocol conversion means 308 converts the monitoring information received from the monitoring terminal 5A1 'having a different transmission protocol into a monitoring information format that can be processed by the existing remote monitoring server 1.

したがって、新たに伝送プロキシ装置３Ａを追加することで、既存の遠隔監視サーバ１及び伝送プロキシ装置３Ｂを停止することなく、異なる伝送プロトコルを有する監視端末５Ａ１’を遠隔監視システムに追加できる。また、異なるプロトコルを有する監視端末５Ａ１’の追加により、異常が発生した場合にシステムからの切り離しが容易に行える。   Therefore, by newly adding the transmission proxy device 3A, the monitoring terminal 5A1 'having a different transmission protocol can be added to the remote monitoring system without stopping the existing remote monitoring server 1 and the transmission proxy device 3B. Further, the addition of the monitoring terminal 5A1 'having a different protocol makes it easy to disconnect from the system when an abnormality occurs.

第２の実施の形態によれば、プロトコル変換手段３０８を設けるので、遠隔監視サーバ１に変更を加えることなく、異なる伝送プロトコルの監視端末５Ａ１’を追加することができる。また、伝送プロキシ装置３Ａで異なる伝送プロトコルを有する監視端末５Ａ１’の監視情報を扱うことで、異常発生時に遠隔監視サーバ１と伝送プロキシ装置３Ａと間の回線を切断して切り離すことにより、追加前の状態に容易に戻すことが可能になる。   According to the second embodiment, since the protocol conversion unit 308 is provided, it is possible to add the monitoring terminal 5A1 'having a different transmission protocol without changing the remote monitoring server 1. Further, by handling the monitoring information of the monitoring terminal 5A1 ′ having a different transmission protocol in the transmission proxy device 3A, the line between the remote monitoring server 1 and the transmission proxy device 3A can be disconnected and disconnected when an abnormality occurs. It is possible to easily return to the state.

（第３の実施の形態）
図５は本発明の第３の実施の形態に係わる遠隔監視システムのブロック構成図である。この第３の実施の形態は、図１に示した第１の実施の形態に対し、伝送プロキシ装置３Ａ、３Ｂに、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの監視情報を蓄積する監視情報蓄積部３１０を設け、警報情報蓄積手段３０９により遠隔監視サーバ１に送信前の監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍの監視情報を監視情報蓄積部３１０に蓄積するようにしたものである。図１と同一要素には同一符号を付し重複する説明は省略する。 (Third embodiment)
FIG. 5 is a block diagram of a remote monitoring system according to the third embodiment of the present invention. This third embodiment is different from the first embodiment shown in FIG. 1 in that the monitoring information storage stores the monitoring information from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm in the transmission proxy devices 3A and 3B. The monitoring information storage unit 310 stores monitoring information of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm before being transmitted to the remote monitoring server 1 by the alarm information storage unit 309. The same elements as those in FIG.

図５において、警報情報蓄積手段３０９及び警報情報蓄積部３１０が設けられている。警報情報蓄積手段３０９は、遠隔監視サーバ１に送信する前の監視情報を警報情報蓄積部３１０に蓄積している。サーバ送信手段３０１は、警報情報蓄積部３１０に蓄積されている警報情報を読み取り、遠隔監視サーバ１へ送信するとともに、遠隔監視サーバ１に送信した監視情報を警報情報蓄積部３１０から削除する。   In FIG. 5, an alarm information storage unit 309 and an alarm information storage unit 310 are provided. The alarm information storage unit 309 stores the monitoring information before being transmitted to the remote monitoring server 1 in the alarm information storage unit 310. The server transmission unit 301 reads the alarm information stored in the alarm information storage unit 310, transmits the alarm information to the remote monitoring server 1, and deletes the monitoring information transmitted to the remote monitoring server 1 from the alarm information storage unit 310.

このように、警報情報蓄積手段３０９及び警報情報蓄積部３１０を設けるので、遠隔監視サーバ１の障害やサーバ用ネットワーク２の障害により、遠隔監視サーバ１に監視情報を送信できない場合でも、その監視情報を伝送プロキシ装置３Ａ、３Ｂ内に蓄積することができる。このため、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍでの警報情報の蓄積を抑制でき、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍの容量不足によるデータの欠落を防止できる。また、遠隔監視サーバ１の障害やサーバ用ネットワーク２の障害の復旧時に、サーバ用ネットワーク２を使用して遠隔監視サーバ１へ通信を行うのは、伝送プロキシ装置３Ａ、３Ｂだけになり、サーバ用ネットワーク２の混雑を防止できる。   As described above, since the alarm information storage unit 309 and the alarm information storage unit 310 are provided, even when the monitoring information cannot be transmitted to the remote monitoring server 1 due to a failure of the remote monitoring server 1 or a failure of the server network 2, the monitoring information Can be stored in the transmission proxy devices 3A and 3B. For this reason, accumulation of alarm information in the monitoring terminals 5A1 to 5An and 5B1 to 5Bm can be suppressed, and data loss due to insufficient capacity of the monitoring terminals 5A1 to 5An and 5B1 to 5Bm can be prevented. Further, when the failure of the remote monitoring server 1 or the failure of the server network 2 is recovered, only the transmission proxy devices 3A and 3B communicate with the remote monitoring server 1 using the server network 2 for the server. Network 2 congestion can be prevented.

第３の実施の形態によれば、伝送プロキシ装置３Ａ、３Ｂに遠隔監視サーバに送信前の監視情報を蓄積する監視情報蓄積部３１０を設け、遠隔監視サーバ１の障害時でも伝送プロキシ装置３Ａ、３Ｂにて監視情報を受信し、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍ内に警報情報を残留させないので、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍ内の記憶容量のオーバフローによるデータ欠損を低減することができる。また、遠隔監視サーバ１の障害意復旧時に通信回線の混雑を低減できる。   According to the third embodiment, the transmission proxy devices 3A and 3B are provided with the monitoring information accumulation unit 310 that accumulates the monitoring information before transmission to the remote monitoring server, so that the transmission proxy device 3A, Since monitoring information is received at 3B and alarm information does not remain in the monitoring terminals 5A1 to 5An and 5B1 to 5Bm, data loss due to overflow of storage capacity in the monitoring terminals 5A1 to 5An and 5B1 to 5Bm can be reduced. it can. Further, it is possible to reduce the congestion of the communication line when the remote monitoring server 1 recovers from the failure intention.

（第４の実施の形態）
図６は本発明の第４の実施の形態に係わる遠隔監視システムのブロック構成図である。この第４の実施の形態は、図５に示した第３の実施の形態に対し、伝送プロキシ装置３Ａ、３Ｂに、監視情報蓄積部３１０に蓄積した監視情報を閲覧可能な蓄積情報表示手段３０８を設け、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの監視情報の確認を可能としたものである。図５と同一要素には同一符号を付し重複する説明は省略する。 (Fourth embodiment)
FIG. 6 is a block diagram of a remote monitoring system according to the fourth embodiment of the present invention. This fourth embodiment is different from the third embodiment shown in FIG. 5 in that the stored information display means 308 allows the transmission proxy devices 3A and 3B to browse the monitoring information stored in the monitoring information storage unit 310. The monitoring information from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm can be confirmed. The same elements as those in FIG.

図６に示すように、伝送プロキシ装置には蓄積情報表示手段３０８が設けられ、伝送プロキシ装置コンソール６に接続される。蓄積情報表示手段３０８は伝送プロキシ装置コンソール６からの指令により、伝送プロキシ装置３１０の警報情報蓄積部３１０に蓄積した監視情報を伝送プロキシ装置コンソール６に出力する。これにより、警報情報蓄積部３１０に蓄積した監視情報を閲覧する。したがって、遠隔監視サーバ１に障害が発生した場合でも伝送プロキシ装置３Ａ、３Ｂにて監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの監視情報の確認ができる。   As shown in FIG. 6, the transmission proxy device is provided with stored information display means 308 and is connected to the transmission proxy device console 6. The stored information display unit 308 outputs the monitoring information stored in the alarm information storage unit 310 of the transmission proxy device 310 to the transmission proxy device console 6 according to a command from the transmission proxy device console 6. Thereby, the monitoring information accumulated in the alarm information accumulation unit 310 is browsed. Therefore, even when a failure occurs in the remote monitoring server 1, the monitoring information from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm can be confirmed by the transmission proxy devices 3A and 3B.

第４の実施の形態によれば、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの警報情報を蓄積した警報情報蓄積部３１０の内容は、蓄積情報表示手段３０８を介して伝送プロキシ装置コンソール６で閲覧確認できるので、サーバ用ネットワーク２あるいは遠隔監視サーバ１側に障害が発生した場合であっても監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから取得された監視情報を閲覧確認することが可能となる。   According to the fourth embodiment, the content of the alarm information storage unit 310 storing the alarm information from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm is viewed on the transmission proxy device console 6 via the stored information display means 308. Since it can be confirmed, it is possible to browse and confirm the monitoring information acquired from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm even when a failure occurs on the server network 2 or the remote monitoring server 1 side.

（第５の実施の形態）
図７は本発明の第５の実施の形態に係わる遠隔監視システムのブロック構成図である。この第５の実施の形態は、図６に示した第４の実施の形態に対し、伝送プロキシ装置３Ａ、３Ｂに、監視情報蓄積部３１０に蓄積された監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの監視情報の優先度を優先警報情報として保存した優先警報情報保存部３１２と、優先警報情報保存部３１２に記憶保存された優先度に基づき遠隔監視サーバ１への監視情報の通知順を決定する優先制御手段３１１を追加して設けたものである。図６と同一要素には同一符号を付し重複する説明は省略する。 (Fifth embodiment)
FIG. 7 is a block diagram of a remote monitoring system according to the fifth embodiment of the present invention. This fifth embodiment is different from the fourth embodiment shown in FIG. 6 in that the transmission proxy devices 3A and 3B are connected to the monitoring terminals 5A1 to 5An and 5B1 to 5Bm stored in the monitoring information storage unit 310. The priority alarm information storage unit 312 stores the priority of the monitoring information as priority alarm information, and the order of notification of the monitoring information to the remote monitoring server 1 is determined based on the priority stored and stored in the priority alarm information storage unit 312. A priority control means 311 is additionally provided. The same elements as those in FIG.

図７において、優先制御手段３１１及び優先警報情報保存部３１２が追加して設けられている。図８は優先警報情報保存部３１２に格納されている優先警報情報の一例を示す説明図である。各々の警報に対して優先度が付与されている。図８では警報Ａには優先度１が付与され、警報Ｂには優先度２が付与されている。   In FIG. 7, priority control means 311 and priority alarm information storage unit 312 are additionally provided. FIG. 8 is an explanatory diagram showing an example of priority alarm information stored in the priority alarm information storage unit 312. A priority is assigned to each alarm. In FIG. 8, priority 1 is assigned to alarm A, and priority 2 is assigned to alarm B.

監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの警報情報は警報情報蓄積部３１０に蓄積され、優先制御手段３１１は警報情報蓄積部３１０の警報情報蓄積量が大きくなった場合（例えば１秒間に１０件以上）に、優先警報情報３１２の警報種別毎の優先度に従い優先度の高いものからサーバ送信手段３０１へ通知する。これにより、優先度の高い警報情報が優先して遠隔監視サーバ１に送信される。したがって、重要度の高い警報種別ほど優先度を高く設定することで優先して遠隔監視サーバ１へ通知を行うことが可能となり、発生警報が多い場合にサーバ用ネットワーク２の負荷増大による重要警報の遅延の軽減が図れることとなる。   The alarm information from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm is stored in the alarm information storage unit 310, and the priority control unit 311 has the alarm information storage amount of the alarm information storage unit 310 increased (for example, 10 cases per second). As described above, the server transmission unit 301 is notified from the highest priority according to the priority for each alarm type in the priority alarm information 312. As a result, alarm information having a high priority is preferentially transmitted to the remote monitoring server 1. Therefore, it becomes possible to give priority to the remote monitoring server 1 by setting a higher priority for the alarm type having a higher importance level. When there are a large number of generated alarms, The delay can be reduced.

第５の実施の形態によれば、優先制御手段３１１により優先度の高い重要な警報情報を優先して送信するので、重要な警報情報の送信の遅延を軽減させることができ、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍの増加による監視情報量の増大時でも重要な監視情報の通知遅延の軽減を図ることができる。   According to the fifth embodiment, the priority control means 311 preferentially transmits important alarm information with high priority, so that the delay of transmission of important alarm information can be reduced, and the monitoring terminals 5A1 to 5A1 Even when the amount of monitoring information increases due to an increase in 5An and 5B1 to 5Bm, it is possible to reduce the delay in notification of important monitoring information.

（第６の実施の形態）
図９は本発明の第６の実施の形態に係わる遠隔監視システムのブロック構成図である。この第６の実施の形態は、図７に示した第５の実施の形態に対し、遠隔監視サーバ１に、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから伝送プロキシ装置３Ａ、３Ｂへの通信を遮断するかどうかを指示するフィルタ情報を伝送プロキシ装置３Ａ、３Ｂに送信するフィルタ制御手段１１０を設け、また、伝送プロキシ装置３Ａ、３Ｂに、遠隔監視サーバ１からのフィルタ情報を保存するフィルタ情報保存部３１４と、フィルタ情報保存部３１４に保存されたフィルタ情報に基づいて遠隔監視サーバ１への通信データを遮断するかどうかを決定するフィルタリング手段３１３を設けたものである。 (Sixth embodiment)
FIG. 9 is a block diagram of a remote monitoring system according to the sixth embodiment of the present invention. In the sixth embodiment, in contrast to the fifth embodiment shown in FIG. 7, the remote monitoring server 1 blocks communication from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm to the transmission proxy devices 3A and 3B. A filter control unit 110 that transmits filter information instructing whether or not to transmit to the transmission proxy devices 3A and 3B, and a filter information storage unit that stores the filter information from the remote monitoring server 1 in the transmission proxy devices 3A and 3B. 314 and filtering means 313 for determining whether or not to block communication data to the remote monitoring server 1 based on the filter information stored in the filter information storage unit 314.

図９において、遠隔監視サーバ１にはフィルタ制御手段１１０が設けられ、伝送プロキシ装置３Ａ、３Ｂには、フィルタリング手段３１３及びフィルタ情報保存部３１４が設けられている。   In FIG. 9, the remote monitoring server 1 is provided with a filter control unit 110, and the transmission proxy devices 3A and 3B are provided with a filtering unit 313 and a filter information storage unit 314.

遠隔監視サーバ１のフィルタ制御手段１１０は、伝送プロキシ装置３Ａ、３Ｂに対して、伝送プロキシ装置伝送手段１０２を経由してフィルタ対象を指示する。伝送プロキシ装置３Ａ、３Ｂのサーバ受信手段３０５は、遠隔監視サーバ１からのフィルタ対象指示内容をフィルタ情報としてフィルタ情報保存部３１４に保存する。図１０はフィルタ情報保存部３１４に保存されたフィルタ情報の一例の説明図である。フィルタ情報は監視端末用ネットワーク４Ａ、４Ｂ毎に、フィルタ情報として「有効」または「無効」にいずれかが保存されている。フィルタリング手段３１３は、フィルタ情報保存部３１４に保存されたフィルタ情報によって監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから遠隔監視サーバ１への通信を遮断するかどうかを制御する。   The filter control means 110 of the remote monitoring server 1 instructs the transmission proxy devices 3A and 3B via the transmission proxy device transmission means 102 to be filtered. The server receiving unit 305 of the transmission proxy devices 3A and 3B stores the filtering target instruction content from the remote monitoring server 1 in the filter information storage unit 314 as filter information. FIG. 10 is an explanatory diagram of an example of filter information stored in the filter information storage unit 314. The filter information is stored as “valid” or “invalid” as filter information for each of the monitoring terminal networks 4A and 4B. The filtering unit 313 controls whether or not the communication from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm to the remote monitoring server 1 is blocked by the filter information stored in the filter information storage unit 314.

このように、伝送プロキシ装置３Ａ、３Ｂにフィルタリング手段３１３を設け、フィルタ情報の状態が「有効」であった場合は、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから受信した監視情報を遠隔監視サーバ１へ送信しないようにし、フィルタ情報が「無効」であった場合は、監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍから受信した監視情報を既存の遠隔監視サーバ１へ送信する。また、伝送プロキシ装置３Ａ、３Ｂのフィルタリング情報は、遠隔監視サーバ１のフィルタ制御手段３１３が「有効」もしくは「無効」の情報を、伝送プロキシ装置伝送手段１０２及び伝送プロキシ装置３Ａ、３Ｂのサーバ受信手段３０５を経由して、フィルタ情報保存部３１４へ保存することで、伝送プロキシ装置３Ａ、３Ｂのフィルタリング手段３１３を遠隔監視サーバ１から制御できる。   As described above, when the filtering means 313 is provided in the transmission proxy devices 3A and 3B and the state of the filter information is “valid”, the monitoring information received from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm is transmitted to the remote monitoring server 1. When the filter information is “invalid”, the monitoring information received from the monitoring terminals 5A1 to 5An and 5B1 to 5Bm is transmitted to the existing remote monitoring server 1. Further, the filtering information of the transmission proxy devices 3A and 3B is the information that the filter control means 313 of the remote monitoring server 1 indicates “valid” or “invalid”, and the transmission proxy device transmission means 102 and the transmission proxy devices 3A and 3B receive the server information. The filtering unit 313 of the transmission proxy devices 3A and 3B can be controlled from the remote monitoring server 1 by storing in the filter information storage unit 314 via the unit 305.

第６の実施の形態によれば、フィルタリング手段３１３を設けることで、サーバ用ネットワーク２、監視端末用ネットワーク４に変更を加えることなく、不要なデータを送信する監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍからの通信を、監視端末用ネットワーク４Ａ、４Ｂの単位で遮断することができる。また、不要なデータを送信する監視端末５Ａ１〜５Ａｎ、５Ｂ１〜５Ｂｍが不在となった後で、遠隔監視サーバ１のフィルタ制御手段１１０により遮断する前の状態に容易に戻すことが可能になる。   According to the sixth embodiment, by providing the filtering means 313, the monitoring terminals 5A1 to 5An and 5B1 to 5Bm that transmit unnecessary data without changing the server network 2 and the monitoring terminal network 4. Can be cut off in units of the monitoring terminal networks 4A and 4B. In addition, after the monitoring terminals 5A1 to 5An and 5B1 to 5Bm for transmitting unnecessary data are absent, it is possible to easily return to the state before being shut off by the filter control means 110 of the remote monitoring server 1.

本発明の第１の実施の形態に係わる遠隔監視システムのブロック構成図。1 is a block configuration diagram of a remote monitoring system according to a first embodiment of the present invention. 本発明の第１の実施の形態における端末情報保存部に保存される端末情報の説明図。Explanatory drawing of the terminal information preserve | saved at the terminal information preservation | save part in the 1st Embodiment of this invention. 本発明の第１の実施の形態における伝送プロキシ装置情報保存部に保存される端末情報の説明図。Explanatory drawing of the terminal information preserve | saved at the transmission proxy apparatus information preservation | save part in the 1st Embodiment of this invention. 本発明の第２の実施の形態に係わる遠隔監視システムのブロック構成図。The block block diagram of the remote monitoring system concerning the 2nd Embodiment of this invention. 本発明の第３の実施の形態に係わる遠隔監視システムのブロック構成図。The block block diagram of the remote monitoring system concerning the 3rd Embodiment of this invention. 本発明の第４の実施の形態に係わる遠隔監視システムのブロック構成図。The block block diagram of the remote monitoring system concerning the 4th Embodiment of this invention. 本発明の第５の実施の形態に係わる遠隔監視システムのブロック構成図。The block block diagram of the remote monitoring system concerning the 5th Embodiment of this invention. 本発明の第５の実施の形態における優先警報情報保存部に格納されている優先警報情報の一例を示す説明図。Explanatory drawing which shows an example of the priority alarm information stored in the priority alarm information preservation | save part in the 5th Embodiment of this invention. 本発明の第６の実施の形態に係わる遠隔監視システムのブロック構成図。The block block diagram of the remote monitoring system concerning the 6th Embodiment of this invention. 本発明の第６の実施の形態におけるフィルタ情報保存部に保存されたフィルタ情報の一例の説明図。Explanatory drawing of an example of the filter information preserve | saved at the filter information preservation | save part in the 6th Embodiment of this invention.

符号の説明Explanation of symbols

１…遠隔監視サーバ、１０１…遠隔監視サーバの監視制御手段、１０２…遠隔監視サーバの伝送プロキシ装置伝送手段、１０３…端末情報保存部、１０４…伝送プロキシ装置情報保存部、１１０…遠隔監視サーバのフィルタ制御手段、２…サーバ用ネットワーク、３…伝送プロキシ装置、３０１…サーバ送信手段、３０２…ネットワーク識別情報付加手段、３０３…端末ＩＰアドレス付加手段、３０４…監視端末受信手段、３０５…サーバ受信手段、３０６…端末ＩＰアドレス解析手段、３０７…監視端末送信手段、３０８…蓄積情報表示手段、３０９…警報情報蓄積手段、３１０…警報情報蓄積部、３１１…優先制御手段、３１２…優先警報情報保存部、３１３…フィルタリング手段、３１４…フィルタ情報保存部 DESCRIPTION OF SYMBOLS 1 ... Remote monitoring server, 101 ... Monitoring control means of remote monitoring server, 102 ... Transmission proxy apparatus transmission means of remote monitoring server, 103 ... Terminal information storage part, 104 ... Transmission proxy apparatus information storage part, 110 ... Remote monitoring server Filter control means, 2 ... server network, 3 ... transmission proxy device, 301 ... server transmission means, 302 ... network identification information addition means, 303 ... terminal IP address addition means, 304 ... monitoring terminal reception means, 305 ... server reception means 306: Terminal IP address analyzing means 307: Monitoring terminal transmitting means 308 ... Accumulated information display means 309 ... Alarm information accumulating means 310 ... Alarm information accumulating section 311 ... Priority control means 312 ... Priority alarm information storing section 313: Filtering means, 314: Filter information storage unit

Claims (6)

遠隔監視サーバと監視端末とをサーバ用ネットワークを介して接続し、前記遠隔監視サーバから前記監視端末に情報を送信するとともに前記監視端末から前記遠隔監視サーバに情報を送信して前記遠隔監視サーバで前記監視端末を監視制御する遠隔監視システムにおいて、複数の監視端末が接続される複数の監視端末用ネットワークと、複数の監視端末用ネットワークのそれぞれに接続され前記サーバ用ネットワークを介して前記遠隔監視サーバと自己のＩＰアドレス及び自己に接続される監視端末用ネットワークの監視端末のＩＰアドレスに基づいて前記遠隔監視サーバと前記監視端末との間の通信を制御する複数の伝送プロキシ装置とを備えたことを特徴とする遠隔監視システム。 A remote monitoring server and a monitoring terminal are connected via a server network, information is transmitted from the remote monitoring server to the monitoring terminal, and information is transmitted from the monitoring terminal to the remote monitoring server. In the remote monitoring system for monitoring and controlling the monitoring terminal, the remote monitoring server is connected to each of a plurality of monitoring terminal networks to which a plurality of monitoring terminals are connected and the plurality of monitoring terminal networks. And a plurality of transmission proxy devices for controlling communication between the remote monitoring server and the monitoring terminal based on the IP address of the monitoring terminal and the IP address of the monitoring terminal connected to the monitoring terminal. Remote monitoring system characterized by 前記伝送プロキシ装置は、前記遠隔監視サーバの伝送プロトコルと異なる伝送プロトコルを前記遠隔監視サーバの伝送プロトコルに変換するプロトコル変換手段を有し、遠隔監視サーバの伝送プロトコルと異なる伝送プロトコルの監視端末のシステムへの追加を可能としたことを特徴とする請求項１記載の遠隔監視システム。 The transmission proxy device has a protocol conversion means for converting a transmission protocol different from the transmission protocol of the remote monitoring server into a transmission protocol of the remote monitoring server, and a monitoring terminal system having a transmission protocol different from the transmission protocol of the remote monitoring server The remote monitoring system according to claim 1, wherein the remote monitoring system can be added. 前記伝送プロキシ装置は、前記監視端末からの監視情報を蓄積する監視情報蓄積部を有し、前記遠隔監視サーバに送信前の前記監視端末の監視情報を前記監視情報蓄積部に蓄積することを特徴とする請求項１または２に記載の遠隔監視システム。 The transmission proxy device includes a monitoring information storage unit that stores monitoring information from the monitoring terminal, and stores monitoring information of the monitoring terminal before transmission to the remote monitoring server in the monitoring information storage unit. The remote monitoring system according to claim 1 or 2. 前記伝送プロキシ装置は、前記監視情報蓄積部に蓄積した監視情報を閲覧可能な蓄積情報表示手段を有し、前記監視端末からの監視情報の確認を可能としたことを特徴とする請求項３に記載の遠隔監視システム。 4. The transmission proxy apparatus according to claim 3, wherein the transmission proxy apparatus includes storage information display means capable of browsing the monitoring information stored in the monitoring information storage unit, and enables monitoring information to be confirmed from the monitoring terminal. The remote monitoring system described. 前記伝送プロキシ装置は、前記監視情報蓄積部に蓄積された前記監視端末からの監視情報に優先度を付ける優先制御手段を有し、遠隔監視サーバへの監視情報の通知順を決定することを特徴とする請求項３または４に記載の遠隔監視システム。 The transmission proxy device includes priority control means for assigning a priority to the monitoring information from the monitoring terminal stored in the monitoring information storage unit, and determines a notification order of the monitoring information to the remote monitoring server. The remote monitoring system according to claim 3 or 4. 前記遠隔監視サーバは、前記監視端末から前記伝送プロキシ装置への通信を遮断するかどうかを指示するフィルタ情報を前記伝送プロキシ装置に送信するフィルタ制御手段を有し、前記伝送プロキシ装置は前記フィルタ情報に基づいて前記遠隔監視サーバへの通信データを遮断するかどうかを決定するフィルタリング手段を有したことを特徴とする請求項１乃至５のいずれか１項に記載の遠隔監視システム。 The remote monitoring server includes filter control means for transmitting to the transmission proxy device filter information that indicates whether to block communication from the monitoring terminal to the transmission proxy device, and the transmission proxy device includes the filter information. The remote monitoring system according to claim 1, further comprising a filtering unit that determines whether to block communication data to the remote monitoring server based on the information.
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