JP2009015403A - Distributed fire alarm system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily transmit and receive disaster prevention information and necessary information related to the disaster prevention information among host equipment and other sets of host equipment even if a plurality of sets of host equipment differing in node type are connected to one another through transmission lines. <P>SOLUTION: A distributed fire alarm system is configured in a manner in which a plurality of main repeaters to which a plurality of sets of terminal equipment are connected through signal lines, and a plurality of sets of equipment differing in node type such as distributed fire receivers and CRT devices are connected through the transmission lines, and the disaster prevention information is transmitted and received among the sets of the host equipment. When transmitting the prevention information to other sets of the host equipment through the transmission lines, the host equipment transmits information required by host equipment of all node types as all registered transmission telegram messages, and when receiving the telegram messages through the transmission lines, other sets of the host equipment acquires information needed only for their own node types to perform necessary various kinds of control. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a distributed fire alarm system, and in particular, even when a plurality of host devices of different node types are connected via a transmission line, the necessary information is excellent between the host device and other host devices. Can be sent and received.

Disaster prevention between a plurality of main repeaters that monitor and control a plurality of terminal devices connected via signal lines, and the plurality of main repeaters connected to the plurality of main repeaters via transmission lines. A distributed fire alarm system including a distributed fire receiver that transmits and receives information is known (see, for example, Patent Document 1). The distributed fire receiver can receive disaster prevention information such as a notification of a terminal device sent from a main repeater via a transmission line, and can display the notification information on a display unit. In addition, a CRT device is connected to the distributed fire receiver via a dedicated line, and the distributed fire receiver sends out the notification information received from the main repeater via the dedicated line, The notification information is received by the CRT device, and based on this, the CRT device can change the display form of the symbol of the terminal device whose state has changed, and display it on the display unit.
JP-A-5-217088

  In the conventional distributed fire alarm system, in order to share disaster prevention information, it is necessary to perform communication between transmission lines and between dedicated lines, and there are many communication procedures, which are complicated. In order to solve this problem, it is possible to connect a CRT device to the transmission line. In this case, disaster prevention information and necessary information related to it can be easily transmitted and received between connected devices of different node types. There is a desire to be able to do it.

  The present invention can easily transmit and receive disaster prevention information and necessary information related thereto between a host device and other host devices even when a plurality of host devices of different node types are connected via a transmission line. With the goal.

  In the present invention, a plurality of host devices of different node types such as a plurality of main repeaters, a distributed fire receiver, and a CRT device to which a plurality of terminal devices are connected via a signal line are connected via a transmission line. In a distributed fire alarm system in which disaster prevention information is transmitted and received between host devices, when the host device sends the disaster prevention information to other host devices via the transmission line, all node type hosts The device sends out all the necessary information as a registered transmission message. When the other host device receives the transmission message via the transmission line, it acquires only the information necessary for its own node type. The system is characterized by performing various necessary controls.

  In addition, the message includes information necessary for the host devices of all node types divided into packets, and the host device is pre-set with packet information to be used according to the node types. It is characterized by.

  In the present invention, a plurality of host devices of different node types such as a plurality of main repeaters, a distributed fire receiver, and a CRT device to which a plurality of terminal devices are connected via a signal line are connected via a transmission line. In a distributed fire alarm system in which disaster prevention information is transmitted and received between host devices, when the host device sends the disaster prevention information to other host devices via the transmission line, all node type hosts The device sends out all the necessary information as a registered transmission message. When the other host device receives the transmission message via the transmission line, it acquires only the information necessary for its own node type. Because the necessary various controls are performed, the host device that sends the transmission message only sends one message, and the other host devices of different node types can send the disaster prevention information and related information. Such information can be received, between the host device and the other of the host device can easily send and receive disaster information and necessary information associated therewith. In addition, since the transmission-side host device does not have to send a separate message for every different node type, traffic on the transmission line can be reduced.

  In addition, the transmission message is a packet in which information necessary for all node type host devices is set for each packet, and the host device is pre-set with packet information to be used according to the node type. Therefore, each of the host devices of different node types can easily acquire only necessary information.

  The best mode for carrying out the invention is the following examples.

  1 is a system diagram of a distributed fire alarm system according to a first embodiment of the present invention, FIG. 2 is a block diagram showing a configuration of a distributed fire receiver, FIG. 3 is a block diagram showing a configuration of a main repeater, and FIG. Is a block diagram showing the configuration of a CRT device, and FIG. 5 is a diagram showing the configuration of a transmission telegram sent out on a transmission line.

  As shown in FIG. 1, the distributed fire alarm system includes a distributed fire receiver RE (hereinafter referred to as a fire receiver RE) as a host device, a CRT device DP, and a plurality of main repeaters LM having individual node numbers #. 1 to # 5 are assigned and connected via a transmission line (hereinafter referred to as LAN). A terminal device to which an individual terminal address AD is assigned is connected to the fire receiver RE and the plurality of main relays LM via a signal line L. The terminal device includes a fire detector S, a controlled device (district bell B as a district acoustic device, smoke prevention device ER such as a fire door), and the like.

  The fire receiver RE and each main repeater LM monitor and control the terminal devices connected to each via the signal line L, and each host device RE, DP, LM establishes a LAN between them. Thus, disaster prevention information collected from terminal devices and the like is transmitted and received, so that disaster prevention information can be shared between host devices.

  In the example shown in FIG. 1, the fire receiver RE of # 1 and the CRT device DP of # 2 are on the first floor, the main repeater LM of # 3 is the second floor, and the main of # 4 is in one building. The repeater LM is distributed on the third floor, the # 5 main repeater LM is distributed on the fourth floor, and the fire receiver RE and each main repeater LM supervise and control the monitoring area on each floor. Although described as performing fire monitoring of one building, each of the fire receiver RE and each main repeater LM is dispersedly arranged in a plurality of buildings so as to perform fire monitoring over a wide area such as a plurality of buildings. You can also.

  FIG. 2 is a block diagram showing the configuration of the distributed fire receiver RE. In the figure, 10 is a terminal interface to which a plurality of terminal devices such as fire detectors S and controlled devices each having an individual terminal address AD are connected via a signal line L, and 11 is connected to another host device. A LAN interface, 12 is a display unit, 13 is an operation unit, 14 is a storage unit that stores various setting data necessary for the device itself, and 15 is a control unit that controls the entire fire receiver. The storage unit 14 includes, for example, network data indicating the correspondence between the node number # of the host device and the node type, terminal data of the terminal device connected to the own device via the signal line L, and a terminal link table of the terminal device. Data, status data indicating the correspondence between status numbers and status characters set for each status information such as notification, etc. are stored. As terminal data, a transmission ID (type ID), a type name, an option message such as an installation location name, a building floor number, and the like are stored in correspondence with the terminal address AD of the terminal device.

  FIG. 3 is a block diagram showing the configuration of the main repeater LM. As an example, the main repeater LM # 5 will be described as an example, but the other main repeaters LM have the same configuration. In the figure, 20 is a terminal interface to which a plurality of terminal devices such as fire detectors S and controlled devices each having an individual terminal address AD are connected via a signal line L, and 21 is connected to another host device. A LAN interface 24, a storage unit 24 for storing various setting data necessary for the own device, and a control unit 25 for controlling the entire main repeater.

  The storage unit 24 includes, for example, network data indicating the correspondence between the node number # of the host device and the node type, terminal data of the terminal device connected to the own device via the signal line L, and a terminal link table of the terminal device. Data, status data indicating the correspondence between status numbers and status characters set for each status information such as notification, etc. are stored. As terminal data, a transmission ID (type ID), a type name, an option message such as an installation location name, a building floor number, and the like are stored in correspondence with the terminal address AD of the terminal device.

  FIG. 4 is a block diagram showing the configuration of the CRT device DP. In the figure, 31 is a LAN interface for connecting to another host device, 32 is a display unit, 33 is an operation unit, 34 is a storage unit for storing various setting data necessary for the own device, and 35 is an entire CRT device. It is a control part to control.

  In the storage unit 34, for example, network data indicating the correspondence between the node number # of the host device and the node type, terminal data of all terminal devices in the system, terminal link table data of all terminal devices in the system, Stored are state data indicating the correspondence between state numbers and state characters set for each state information such as notification, plan view data of each monitoring area (each floor), and the like. As terminal data, a transmission ID (type ID), a type name, an option message such as an installation location name, a building floor number, and the like are stored in correspondence with the terminal address AD of the terminal device.

  In the distributed fire alarm system configured as described above, a certain host device registers all necessary information for all node types when sending disaster prevention information to other host devices via the LAN. When the transmission message 40 (FIG. 5) is transmitted and the other host device receives the transmission message 40 via the LAN, it acquires only information necessary for its own node type and performs various necessary controls. Configured to do.

  As a result, a host device that sends a transmission message 40 can receive disaster prevention information and necessary information related to it by other host devices of different node types only by sending one message. Disaster prevention information and necessary information related to it can be easily transmitted and received between the device and other host devices, and the host device on the sending side does not have to send separate messages for every different node type. Therefore, the traffic on the transmission line can be reduced. This will be described with reference to FIG. FIG. 5 is a diagram showing a configuration of the transmission telegram 40 transmitted on the LAN.

  The transmission telegram 40 is information in which information necessary for all node types of host devices is set and classified into packets. In this case, 11 packets 41 to 51 are set. The information in the packet is as follows: the first first packet 41 is the transmission destination node number #, the second packet 42 is the transmission source node number #, the third packet 43 is the message number, the fourth packet 44 is the terminal address AD, and the fifth packet 45 is a transmission ID, 6th packet 46 is a type name, 7th packet 47 is an option message, 8th packet 48 is a building floor number, 9th packet 49 is a status character, and 10th packet 50 is a status number. In the embodiment, the state number of the tenth packet 50 is state information as an example of disaster prevention information. The eleventh packet 51 is system information for causing the fire receiver RE to execute a specific process (such as not displaying the disaster prevention information).

  Of the host devices on the receiving side of the outgoing message 40, the fire receiver RE acquires all the information from the first packet 41 to the eleventh packet 51, and the main relay LM receives the first packet 41 from the first packet 41. The information of the fifth packet 45 and the tenth packet 50 is acquired, and the CRT device DP is configured to acquire the information of the fifth packet 45 and the tenth packet 50 from the first packet 41. Thus, different nodes Each type of host device determines the packet of information to be used according to the node type from the information in all packets from the first packet 41 to the eleventh packet 51, and can easily acquire only necessary information. It has a configuration.

  Here, for example, when the # 5 main repeater LM detects a change in the state of the terminal device AD1 of its own device (for example, a report is issued), the # 5 main repeater LM adds all the other packets to the first packet 41. The node number # of the host device is set (instead of setting the node number # of all the host devices, a global number G # meaning all designations may be set), and the second packet 42 has its own node The number # 5 is set, an arbitrary message number is set in the third packet 43, the terminal address AD1 of the terminal device whose state has changed is set in the fourth packet 44, and the transmission ID of the terminal address AD1 is set in the fifth packet 45 Set, the type name (for example, smoke) of the terminal address AD1 is set in the sixth packet 46, the option message (for example, the fourth floor meeting room) of the terminal address AD1 is set in the seventh packet 47, The ward floor number (for example, 1-1-1-1) of the terminal address AD1 is set in the packet 48, the status character (for example, notification) is set in the ninth packet 49, and the notification is issued in the tenth packet 50. A state number corresponding to the state information is set, and a transmission telegram 40 in which specific processing information (for example, display command information) of the fire receiver RE necessary for the eleventh packet 51 is set is created and transmitted on the LAN.

  When the # 1 fire receiver RE receives the transmission telegram 40 via the LAN, it captures all information from the first packet 41 to the eleventh packet 51. Then, referring to the system information of the eleventh packet 51 and determining that it is display command information, the second packet 42 and the fourth packet 44 to the tenth packet 50 are referred to, status information (an example of disaster prevention information), and Information related thereto is displayed on the display unit 12. For example, “node number # 5, terminal address AD1, smoke (type name), 4th floor conference room (optional message of installation location, etc.), 1-1-1-1 (building floor ward number), alert (status character) ) ". Although the fire receiver RE does not store terminal data other than the terminal device connected to itself in the storage unit 14, as described above, by issuing the sixth packet 46 and the eighth packet 48, etc. In addition to the status information, terminal data such as type name, option message, building floor number, etc., other than the terminal device connected to itself can be displayed.

  Also, when the main relays LM # 3 to # 4 receive the transmission telegram 40 via the LAN, they take in the first packet 41 to the fifth packet 45 and the tenth packet 50. Then, referring to the second packet 42 and the fourth packet 44, it is determined that the transmission telegram 40 relates to the terminal device of the terminal address AD1 of the main relay LM # 5, and the tenth packet 50 With reference to the state number, it is determined that the terminal device has issued the alarm, and when necessary various controls need to be performed, various necessary controls are performed. For example, referring to the terminal link table of the storage unit 24, if there is a controlled device of its own device to be linked in relation to the terminal address AD1 of the terminal device whose node number # 5 has changed, the controlled device The device can be activated and controlled. Since the main repeater LM does not have a display unit, the type name, the option message, the ridge floor ward number, and the status character, which are information related to display, that is, the sixth packet 46 to the ninth packet in which these are set. No need to capture 49.

  In addition, when the # 2 CRT device DP receives the transmission message via the LAN, it captures the first packet 41 to the fifth packet 45 and the tenth packet 50. Then, referring to the second packet 42 and the fourth packet 44, it is determined that the transmission telegram 40 relates to the terminal device of the terminal address AD1 of the main relay LM # 5, and the tenth packet 50 With reference to the status number, it is determined that this terminal device has issued, and the display unit 32 displays the floor plan data of the fourth floor on which this terminal device is placed and is also placed in the plan view data. The symbol of the terminal device having the terminal address AD1 can be changed to a display form indicating the notification and displayed. At that time, the CRT device DP stores the status characters as the status data in the storage unit 34, and further, terminal data of all terminal devices in the system (in this case, type name, option message, ridge level) No.) is stored, so that the information can be displayed without fetching the sixth packet 46 to ninth packet 49 in which these are set.

  According to the above-described embodiment, a plurality of host devices of different node types such as a plurality of main repeaters LM, a distributed fire receiver RE, and a CRT device DP to which a plurality of terminal devices are connected via a signal line L In a distributed fire alarm system that is connected via a local area network (LAN) and that transmits and receives disaster prevention information between the host devices, the host device transmits the disaster prevention information to other host devices via the transmission line. When sending, the host device of all node types sends out all necessary information as a transmission telegram 40, and when the other host devices receive the transmission telegram 40 via the transmission line, Since only necessary information is acquired for each node type and various necessary controls are performed, the host device that sends the transmission message 40 sends only one message. Other host device, disaster information and can receive the necessary information associated with it, between the host device and the other of the host device can easily send and receive disaster information and necessary information associated therewith. In addition, since the transmission-side host device does not have to send a separate message for every different node type, traffic on the transmission line can be reduced.

  In addition, the transmission telegram 40 is obtained by dividing and setting information necessary for host devices of all node types into packets, and the host device is preconfigured with packet information to be used according to the node types. Therefore, each of the host devices of different node types can easily acquire only necessary information.

1 is a system diagram of a distributed fire alarm system that is Embodiment 1 of the present invention. It is a block diagram which shows the structure of a distributed fire receiver. It is a block diagram which shows the structure of a main repeater. It is a block diagram which shows the structure of a CRT apparatus. It is a figure which shows the structure of a transmission message.

Explanation of symbols

RE ... Distributed fire receiver, LM ... Main repeater, DP ... CRT device, LAN ... Transmission line, L ... Signal line, S ... Fire detector, B ... District bell (district acoustic device), ER ... Smoke prevention equipment DESCRIPTION OF SYMBOLS 10 ... Terminal interface, 11 ... LAN interface, 12 ... Display part, 13 ... Operation part, 14 ... Memory | storage part, 15 ... Control part, 20 ... Terminal interface, 21 ... LAN interface, 24 ... Memory | storage part, 25 ... Control part , 31 LAN interface, 32 display unit, 33 operation unit, 34 storage unit, 35 control unit, 40 transmission message, 41 first packet, 42 second packet, 43 third packet, 44 ... 4th packet, 45 ... 5th packet, 46 ... 6th packet, 47 ... 7th packet, 48 ... 8th packet, 49 ... 9th packet, 50 ... 10th packet, 51 ... 11th packet Tsu door.

Claims (2)

A plurality of host devices of different node types, such as a plurality of main repeaters, a distributed fire receiver, and a CRT device, to which a plurality of terminal devices are connected via signal lines, are connected via a transmission line. In a distributed fire alarm system where disaster prevention information is sent and received,
When sending the disaster prevention information to other host devices via the transmission line, the host device sends out all necessary information for all node type host devices as a transmission message,
The other host device, when receiving the transmission message via the transmission line, acquires only the information necessary for its own node type and performs various necessary controls. Notification system. The message is a set of information necessary for host devices of all node types divided into packets,
2. The distributed fire alarm system according to claim 1, wherein the host device is preset with packet information to be used according to a node type.

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