JP2017004061A - Fire receiver and fire monitoring system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire receiver and a fire monitoring system that can inexpensively add the fire receiver to a receiver network in which a plurality of fire receivers are communicatively connected.SOLUTION: A fire receiver 10 is connected with another fire receiver 10 via a receiver network 2. The fire receiver comprises: a control device for performing a fire alarm process on the basis of a fire signal from a fire sensor connected via a transmission line; a receiver communication device for communicating with the other fire receiver 10 and an old fire receiver 10A connected via the receiver network 2; and a storage device for associating and storing the other fire receiver 10 and the old fire receiver 10A connected with the receiver network 2 with command types used for communication by the respective fire receivers. If a plurality of command types are stored in the storage device, the receiver communication device consecutively transmits signals corresponding to the respective command types.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a fire receiver that exchanges signals with other fire receivers and a fire monitoring system in which a plurality of fire receivers exchange signals.

  2. Description of the Related Art Conventionally, there is a fire receiver that is connected to a fire detector, a notification device, a smoke exhaust device, and the like and performs a fire alarm processing based on a signal from the fire detector. There is a system in which a plurality of such fire receivers are connected by communication, and signals are exchanged between the fire receivers to share information.

JP 2002-170177 A (second page)

  Generally, a fire monitoring system is installed in a room of a fire prevention target building such as a building or an underground mall, managed by an administrator, and used for a long period of time. In addition, there is a case where a building extension or remodeling occurs and the monitoring area is desired to be expanded while it is used for a long period of time. In a fire monitoring system in which a plurality of fire receivers are communicatively connected as described in Patent Document 1, information can be shared via a receiver network in which the fire receivers are communicatively connected to each other. By increasing the number of machines, the monitoring area of the fire monitoring system can be expanded.

  Here, development of fire receivers is progressing day by day, and functions of new fire receivers may be added to or deleted from the old models. As functions are added or deleted, the commands sent by the new fire receiver to the receiver network are also changed. That is, the content of the signal and the communication frame may be different between the old model fire receiver and the new model fire receiver. In this case, the old model cannot receive the signal from the new model. For this reason, it was not possible to mix old and new fire receivers in the same receiver network.

  Therefore, when expanding the monitoring area of a fire monitoring system having an old model fire receiver, it is necessary to construct a new system in which the old model fire receiver is replaced with a new model. However, since fire monitoring cannot be interrupted while a new system is being built, it is necessary to build a system using the new model while continuing monitoring while maintaining the system using the old model fire receiver. Don't be. However, it is difficult to secure a space for installing the two systems, and it takes a lot of cost to construct a system in which the old model is replaced with the new model.

  The present invention has been made against the background of the above problems, and a fire receiver and a fire monitor capable of adding a fire receiver at a low cost to a receiver network to which a plurality of fire receivers are communicatively connected. A system is provided.

  The fire receiver of the present invention is a fire receiver connected to another fire receiver via a communication network, and fire is triggered based on a fire signal from a fire detector connected via a transmission line. A control device that performs processing; a receiver communication device that communicates with the other fire receiver connected via the communication network; the other fire receiver connected to the communication network; and the fire receiver A storage device that stores the command types used for communication in association with each other, and when a plurality of types of the command types are stored in the storage device, the receiver communication device has a plurality of types of the commands. A signal corresponding to each type is continuously transmitted.

  The fire monitoring system of the present invention is a fire monitoring system in which an old fire receiver and a new fire receiver are connected via a communication network, and the new fire receiver is connected via the communication network. Corresponding receiver communication device that communicates with other connected fire receivers, the other fire receivers connected via the communication network, and the command types that the fire receivers use for communication A storage device for storing, when the plurality of types of command types are stored in the storage device, the new fire receiver continuously transmits signals corresponding to the plurality of types of command types. To send.

  According to the fire receiver and the fire monitoring system of the present invention, even when a fire receiver is added to a receiver network to which a plurality of fire receivers are communicatively connected, it is necessary to replace the previously installed fire receiver. Absent. For this reason, the addition of the fire receiver to the receiver network can be realized at low cost.

It is a mimetic diagram of a fire monitoring system concerning an embodiment. It is a block diagram of the fire receiver which concerns on embodiment. It is a figure which shows the example of the communication format of the fire receiver which concerns on embodiment. It is a figure which shows the example of the communication format of an old fire receiver. It is a figure explaining the transmission process of the fire receiver which concerns on embodiment, and is an example in case a different model is mixed in the receiver network. It is a figure explaining the transmission process of the fire receiver which concerns on embodiment, and is an example when a different model does not exist in a receiver network. It is a flowchart explaining the reception operation | movement of the fire receiver which concerns on embodiment.

  An embodiment of a fire receiver and a fire monitoring system according to the present invention will be described with reference to the drawings. In addition, this invention is not limited by the form of drawing shown below.

Embodiment.
FIG. 1 is a schematic diagram of a fire monitoring system according to an embodiment. The fire monitoring system 1 has a plurality of fire receivers (a fire receiver 10 and an old fire receiver 10A) connected to the receiver network 2. The fire receiver 10 is a fire receiver (new type fire receiver) according to the present embodiment. The old fire receiver 10 </ b> A is an older fire receiver than the fire receiver 10. A terminal device group 3 is connected to each of the fire receiver 10 and the old fire receiver 10A via a transmission line.

  The terminal device group 3 includes any one of a fire detector, an alarm device, a smoke prevention device, and a repeater. The fire detector has a sensor that detects physical phenomena caused by fire, such as heat, smoke, infrared radiation, ultraviolet radiation, and combustion gas, and outputs a fire signal when a physical phenomenon caused by fire is detected. . The alarm device is, for example, a device that outputs an acoustic alarm such as a bell or a speaker, or a light alarm device that outputs a visual alarm such as a flashlight. The smoke prevention device is, for example, a fire door, a shutter or the like. The repeater relays signals between the fire receiver 10 and the old fire receiver 10A and the fire detector, the alarm device, the smoke prevention device, or the like. The specific configuration of the terminal device group 3 shown here is merely an example, and in the present embodiment, it is not necessary to distinguish between them.

  The receiver network 2 is a LAN (Local Area Network) that connects a plurality of fire receivers 10 and the old fire receiver 10A by arbitrary wired communication or wireless communication.

  When the fire receiver 10 and the old fire receiver 10A receive a fire signal from any of the fire detectors in the terminal equipment group 3 connected to the fire receiver 10 and operate the alarm device and the smoke prevention device, Fire notification processing is performed to notify the occurrence of a fire on its own aircraft.

  FIG. 2 is a configuration diagram of the fire receiver according to the embodiment. The fire receiver 10 includes a control device 11, an operation input device 14, a display device 15, a printing device 16, a transmission device 17, an external communication device 18, and a receiver communication device 19. The operation input device 14 is a device that receives an operation input from a user such as a touch panel, a hardware switch, and a button. The display device 15 displays information on the fire detected by the fire detector, information indicating the state of the terminal device group 3 connected to the own device, and the like. The display device 15 includes, for example, a liquid crystal display screen and a lamp. The printing device 16 is a device that prints fire alarm information. The printing device 16 can be provided as necessary. The transmission device 17 is a communication interface that transmits and receives signals to and from the terminal device group 3 via a transmission line. The external communication device 18 is a communication interface that transmits and receives signals to and from an external device such as a personal computer or a setting terminal. The receiver communication device 19 is a communication interface that transmits and receives signals to and from another fire receiver 10 or the old fire receiver 10A via the receiver network 2.

  The control device 11 is connected to the operation input device 14, the display device 15, the printing device 16, the transmission device 17, the external communication device 18, and the receiver communication device 19 through an internal communication line, and the operation of the fire receiver 10 as a whole. To control. The control device 11 includes, for example, a calculation unit 12 configured by a microcomputer or a control circuit, and a storage device 13 that holds a program for operating the calculation unit 12 and data used for calculation processing of the calculation unit 12. The calculation unit 12 reads out and executes a program stored in the storage device 13 to realize functions to be described later. The storage device 13 stores a database 20 and communication format information 21, and stores identification information such as an address for identifying each terminal constituting the terminal device group 3 connected to the own device. The storage device 13 includes a ROM (Read Only Memory), a RAM (Random Access Memory), a flash memory, a nonvolatile memory such as an EEPROM, an EPROM, or a volatile semiconductor memory, and various types of information are stored in any of these. Stored as appropriate.

  The database 20 stores other fire receivers (fire receiver 10 or old fire receiver 10A) connected to the receiver network 2 in association with command types used by the fire receiver for communication. The In the example of the present embodiment, the database 20 includes a node ID 201, which is identification information uniquely assigned to each of the fire receiver 10 and the old fire receiver 10A, and a communication command used for communication via the receiver network 2. Command type information 202 which is information for identifying the command. The contents of the command type information 202 are different between the fire receiver 10 and the old fire receiver 10A. In this embodiment, when the models are different, it means that the command types transmitted from the fire receiver to the receiver network 2 are different.

  The communication format information 21 is information that defines a signal that the fire receiver 10 and the old fire receiver 10A transmit to the receiver network 2, and is stored in association with each of the command type information 202 stored in the database 20. It is stored in the device 13. When two models with different command types, the fire receiver 10 and the old fire receiver 10A, are connected to the receiver network 2 as in the present embodiment, the communication format information 21 of each model is stored in the storage device 13. Is remembered. The communication format information 21 includes a list of commands transmitted using the frame configuration in addition to the frame configuration of signals transmitted by the fire receiver 10 and the old fire receiver 10A. Here, the command is information indicating functions and control contents of the fire receiver 10 and the old fire receiver 10A. Since the fire receiver 10 and the old fire receiver 10A of different models have different functions, different commands can be used.

  The database 20 and the communication format information 21 are input from the personal computer or the setting terminal via the external communication device 18 in addition to being input via the operation input device 14 and stored in the storage device 13. Moreover, you may make it receive the input from the other fire receiver 10 in the receiver network 2, or the old fire receiver 10A via the receiver communication apparatus 19. FIG.

  FIG. 3 is a diagram illustrating an example of a communication format of the fire receiver according to the embodiment. The communication format 30 of the fire receiver 10 shown in FIG. 3 includes transmission source information 301 that is information for identifying a signal transmission source, transmission destination information 302 that is information for identifying a transmission destination of a signal, model identification information 303, a command 304 and a message 305. The destination information 302 may be an address of a specific fire receiver 10 or the old fire receiver 10A in the receiver network 2, or may be a broadcast address for all the fire receivers. The model identification information 303 is information for identifying the model targeted by the communication format 30, and is information for identifying the model (command type) of the fire receiver 10 in the present embodiment. The command 304 is information for specifying a function or control content. The message 305 is additional information accompanying the command 304.

  Note that the communication format 30 shown in FIG. 3 is an example, and if the information specifying the model (command type) of the fire receiver 10 and the information specifying the transmission source are included, other frame configurations and signal contents thereof are It is not limited to the thing of FIG. For example, in FIG. 3, an example in which a frame called model identification information 303 is provided as information specifying the model of the fire receiver 10 is described. However, a frame called model identification information 303 is not provided. A code for specifying the model may be added to the content 304 itself.

  FIG. 4 is a diagram illustrating an example of a communication format of the old fire receiver. The communication format 40 transmitted by the old fire receiver 10A includes transmission source information 401 that is information for specifying a transmission source of a signal, transmission destination information 402 that is information for specifying a transmission destination of a signal, a command 403, and a message 404. Including. Unlike the communication format 30 of the fire receiver 10, it does not have model identification information. Further, the content of the command 403 is also different from the command 304 of the communication format 30 of the fire receiver 10.

  The storage device 13 of the fire receiver 10 stores the communication format 30 of the fire receiver 10 and the communication format 40 of the old fire receiver 10A as the communication format information 21. In addition, the storage device 13 stores the model of the own device (fire receiver 10), that is, the command type.

  The specific configuration of the old fire receiver 10A is not limited as long as it can communicate with the old fire receiver 10A of the same model via the receiver network 2. In the present embodiment, the control device 11 of the fire receiver 10 is different from the control processing of the arithmetic unit 12 and the information stored in the storage unit (storage device 13), but the other configurations are the same as those of the fire receiver 10. It will be explained as being. The storage unit of the old fire receiver 10A stores information related to the communication format 40 transmitted by itself, and does not store the communication format 30 of the fire receiver 10.

  Next, basic operations related to fire monitoring and fire alarm processing of the fire monitoring system 1 according to the present embodiment will be described. The fire detectors connected to the fire receiver 10 and the old fire receiver 10A monitor the presence of a physical phenomenon caused by the fire at the place where they are installed. When a fire is detected, a fire signal is transmitted. Output to. When the fire receiver 10 and the old fire receiver 10A receive a fire signal from the fire detector, they perform a fire alarm process. Here, fire alarm processing is a general term for processing to notify the occurrence of a fire, processing for outputting an alarm to an alarm device, processing for operating a smoke prevention device, identification information of a fire detector that detects a fire, It includes processing for displaying information such as the installation location on the display device 15. Furthermore, the fire receiver 10 and the old fire receiver 10 </ b> A send information related to fire detection to the receiver network 2 via the receiver communication device 19. Accordingly, the other fire receiver 10 and the old fire receiver 10A connected to the receiver network 2 can acquire information on the fire detected in the area monitored by the other fire receiver, and receive the fire. Information is shared between the machine 10 and the old fire receiver 10A.

  Next, signal transmission processing via the receiver network 2 of the fire receiver 10 of the present embodiment will be described. The arithmetic unit 12 of the fire receiver 10 transmits all other fire receivers (fire receiver 10 or old fire receiver 10A) stored in the database 20 of the storage device 13 before transmitting a signal to the receiver network 2. ) Check the model. Then, when another model different from the model of the own machine stored in the storage device 13 is stored in the database 20, that is, a fire receiver having a different model from the own machine in the receiver network 2 (this embodiment In the embodiment, when the old fire receiver 10A) is connected, based on the communication format information 21 stored in the storage device 13, the communication format corresponding to the old fire receiver 10A of a different model from the own device is used. A signal is transmitted, and subsequently, the signal is transmitted in a communication format corresponding to the own device.

  FIG. 5 is a diagram for explaining the transmission processing of the fire receiver according to the embodiment, and is an example in the case where different models are mixed in the receiver network. That is, this is a case where a model different from the own device is registered in the database 20 of the storage device 13 of the fire receiver 10. As shown in FIG. 5, the fire receiver 10 first transmits a signal in the communication format 40 of the old fire receiver 10A as a signal addressed to the old fire receiver 10A. Subsequently, the fire receiver 10 transmits a signal in the communication format 30 as a signal addressed to another fire receiver 10 of the same model as that of the fire receiver 10. The model identification information 303 of the communication format 30 stores, for example, the model (command type) of the fire receiver 10 (own device).

  FIG. 6 is a diagram for explaining the transmission processing of the fire receiver according to the embodiment, and is an example in the case where different models do not exist in the receiver network. That is, only the same model as the own device is registered in the database 20 of the storage device 13 of the fire receiver 10. If it is confirmed that no other model is stored in the database 20 of the storage device 13 before transmitting a signal to the receiver network 2, the arithmetic unit 12 of the fire receiver 10 As a signal addressed to the receiver 10, the signal is transmitted in the communication format 30. The model identification information 303 of the communication format 30 stores, for example, the model (command type) of the fire receiver 10 (own device).

  In either case of FIG. 5 and FIG. 6, signals of the same communication frame may be sent continuously in consideration of communication errors.

  Next, the signal reception operation of the fire receiver 10 via the receiver network 2 will be described. FIG. 7 is a flowchart for explaining the reception operation of the fire receiver according to the embodiment. When the receiver communication device 19 of the fire receiver 10 acquires a signal flowing through the receiver network 2 (S101), the arithmetic unit 12 of the control device 11 communicates with the same signal as the own device acquired by the receiver communication device 19. It is determined whether or not the format is set (S102). This determination is made based on the presence / absence of the model identification information 303 in the signal.

  In step S102, when the acquired signal has a communication format different from that of the own device (S102: No), the calculation unit 12 of the control device 11 uses the same model as that of the own device. It is determined whether or not there is (S103). This determination is based on transmission source information (transmission source information 301 or transmission source information 401) included in the acquired signal, information stored in the database 20 of the storage device 13, and the model of the own device stored in the storage device 13. And based on the information.

  In step S103, when the model of the acquired signal transmission source information is the same as that of the own device (S103: Yes), the acquired signal is not subjected to reception processing and waits for the next signal to be transmitted. . That is, the fact that a signal of a communication format different from that of the fire receiver 10 (here, a signal of the communication format 40 of the old fire receiver 10A) is transmitted from the same model as that of the own device is continuously transmitted from the source. This means that a signal is transmitted from the fire receiver 10 in the same communication format 30 as that of the own device (see FIG. 5), so that a signal of the same communication format 30 as that of the own device is waited for.

  On the other hand, in step S103, when the model of the transmission source information of the acquired signal is different from that of the own device (S103: No), the calculation unit 12 of the control device 11 performs a reception process of the acquired signal (S104). That is, the transmission source of the signal of the communication format 40, which is a communication format different from that of the own device, is the old fire receiver 10A, and this old fire receiver 10A cannot transmit the signal of the new communication format 30, so that the acquired communication The reception processing of the format 40 signal is performed. The calculation unit 12 of the control device 11 performs reception processing of the signal of the communication format 40 based on information stored in the communication format information 21 of the storage device 13.

  In step S102, if the acquired signal is the same communication format as that of the own device (S102: Yes), the calculation unit 12 of the control device 11 performs reception processing of the acquired signal (S104).

  As described above, the fire receiver 10 according to the present embodiment associates the other fire receivers 10 and the old fire receiver 10A connected to the receiver network 2 with the command types used by the fire receiver for communication. When a plurality of command types are stored in the storage device 13, a signal corresponding to each command type is continuously transmitted to the receiver network 2. For this reason, even when the old fire receiver 10A of a different model from the fire receiver 10 is connected to the receiver network 2, the fire receivers can exchange information with each other and share information. Therefore, a fire receiver 10 and a fire monitor that can add a fire receiver 10 as a new fire receiver at low cost to the receiver network 2 to which an old fire receiver 10A of an old model with different command types is connected. System 1 can be obtained.

  Note that a signal relay device connected to the receiver network 2 may be provided, and this relay device may mediate communication between fire receivers of different models. Specifically, a database (equivalent to the database 20) in which the fire receiver connected to the receiver network 2 is associated with its command type is stored in the storage unit of the relay device. Then, the fire receiver connected to the receiver network 2 transmits a signal in one kind of communication format set in the own device. On the other hand, when the relay device acquires the signal transmitted from the fire receiver, if a plurality of fire receivers of different models are connected in the receiver network 2, the acquired signal is transmitted to other models. The data is converted into a format and transmitted to the receiver network 2. By doing in this way, each other fire receiver can receive the signal according to its own communication format.

  In the above description, the communication format 30 only needs to include information for specifying the model (command type) of the fire receiver 10 and information for specifying the transmission source, and the communication format 30 is shown as an example. Other specific examples include the following. That is, the fire receiver 10 has an identification number (node number) for identifying the fire receiver and all the fire receivers (fire receiver 10, old fire receiver 10A) connected to the receiver network 2 and The corresponding model (model name or command type) is stored in the database. When receiving a communication format from another fire receiver, the fire receiver 10 determines an identification number (node number) for identifying the fire receiver from the transmission source information included in the received signal, and stores the database. Refer to to determine the model (model name or command type). In this way, even if the communication format 30 does not include the direct information for identifying the model such as the model identification information 303, the transmission source information included in the communication format 30 is indirectly the model (command type). The fire receiver 10 can specify the model (command type) of the signal transmission source.

  DESCRIPTION OF SYMBOLS 1 Fire monitoring system, 2 receiver network, 3 terminal equipment group, 10 fire receiver, 10A old fire receiver, 11 control apparatus, 12 calculating part, 13 memory | storage device, 14 operation input device, 15 display apparatus, 16 printing apparatus , 17 Transmission device, 18 External communication device, 19 Receiver communication device, 20 Database, 21 Communication format information, 30 Communication format, 40 Communication format, 201 Node ID, 202 Command type information, 301 Transmission source information, 302 Transmission destination information , 303 Model identification information, 304 command, 305 message, 401 transmission source information, 402 transmission destination information.

Claims (4)

A fire receiver connected to another fire receiver via a communication network,
A control device that performs fire alarm processing based on a fire signal from a fire detector connected via a transmission line;
A receiver communication device for communicating with the other fire receiver connected via the communication network;
A storage device that associates and stores the other fire receiver connected to the communication network and a command type that the fire receiver uses for communication;
When a plurality of types of command types are stored in the storage device, the receiver communication device continuously transmits a signal corresponding to each of the plurality of types of command types. Receiving machine. 2. When only one type of the command type is stored in the storage device, the receiver communication device transmits only a signal corresponding to the one type of the command type. The listed fire receiver. When a plurality of types of the commands are stored in the storage device,
Of the signals flowing on the communication network, receive and process the same signal as the command type of its own machine,
2. A signal that is different from the command type of its own device among signals flowing on the communication network is not subjected to reception processing if the command type of its source fire receiver is the same as that of its own device. The listed fire receiver. A fire monitoring system in which an old fire receiver and a new fire receiver are connected via a communication network,
The new fire receiver is
A receiver communication device that communicates with other fire receivers connected via the communication network;
A storage device that associates and stores the other fire receiver connected via the communication network and a command type that the fire receiver uses for communication;
The new fire receiver, when a plurality of types of the command types are stored in the storage device, continuously transmits signals corresponding to the plurality of types of the command types. Fire monitoring system.

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