Disaster prevention equipment

Abstract

Even when it is necessary to prioritize certain displays, other necessary information can be displayed without interfering with the priority display, enabling efficient and appropriate display of necessary information. [Solution] The fire prevention equipment monitors for fires by connecting terminal devices to the fire alarm receiver. When a predetermined event occurs, including the detection of a fire, the fire alarm receiver causes the display unit to display an event corresponding to the event that occurred. The display screen of the display unit displaying the event is provided with an event display unit 32 that can display event information for any event among the events that have occurred, and a guidance display unit 34 that prioritizes displaying event information related to fire detection by fire detectors among the events that have occurred.

Description

Technical Field

[0001] The present invention relates to disaster prevention equipment that monitors anomalies by connecting terminal devices to a host device.

Background Art

[0002] Conventionally, fire alarm equipment that monitors fires (anomalies) by connecting terminal devices such as fire detectors to a fire receiver is generally known. Laws and regulations such as the Fire Service Act stipulate requirements for fire alarm equipment, and such equipment must comply with these laws and regulations (Patent Document 1).

[0003] In addition, as other equipment for monitoring anomalies, ultra-high-sensitivity smoke monitoring equipment is also known, which targets indoor monitoring areas such as computer rooms installed with electronic devices including servers and clean rooms installed with semiconductor manufacturing equipment, and has an ultra-high-sensitivity smoke sensor connected to an ultra-high-sensitivity smoke monitoring panel (Patent Document 2). The ultra-high-sensitivity smoke sensor draws in air from a sampling tube and detects extremely low-concentration smoke contained in the drawn air. The ultra-high-sensitivity smoke monitoring equipment enables detection of anomalies at the initial stage that are difficult to monitor with fire alarm equipment, and is equipment that also contributes to early fire detection.

[0004] In buildings where the installation of fire alarm equipment is mandatory as stipulated by laws and regulations, fire alarm equipment and ultra-high-sensitivity smoke monitoring equipment may be installed side by side.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Patent Document 2

Summary of Invention

Problems to be Solved by the Invention

[0006] However, when fire alarm systems and ultra-high sensitivity smoke monitoring systems are installed together, the monitoring room must house both the fire alarm receiver for the fire alarm system and the ultra-high sensitivity smoke monitoring panel for the ultra-high sensitivity smoke monitoring system. This presents problems in terms of installation space, and installing multiple systems also presents cost issues.

[0007] Therefore, it is conceivable to combine a fire alarm system and a highly sensitive smoke monitoring system into a single disaster prevention system, but how to combine them into a single system requires further consideration. In particular, since a fire alarm system is a system that monitors fires as defined by law, a disaster prevention system that combines a fire alarm system and a highly sensitive smoke monitoring system must comply with the legal provisions regarding the fire alarm system. From the perspective of the highly sensitive smoke monitoring system, which monitors abnormalities in a room that are not defined by law, certain constraints will be placed on the system's configuration and operation.

[0008] For example, in fire alarm systems, communication between the fire alarm receiver and terminal equipment including fire detectors is performed by polling. However, in order to detect fires early, the communication time for the entire transmission path to all terminal equipment is predetermined. If a new ultra-high sensitivity smoke sensor for an ultra-high sensitivity smoke monitoring system is added as terminal equipment, there is room for consideration regarding the communication between the terminal equipment, including the ultra-high sensitivity smoke sensor, and the fire alarm receiver, as well as the configuration of the transmission path for that communication.

[0009] More specifically, some ultra-high sensitivity smoke sensors have multiple output units. As the number of output units increases, the amount of information transmitted from a single ultra-high sensitivity smoke sensor to the fire alarm receiver increases. However, fire alarm systems have a fixed communication time for the entire transmission path, and the time a single terminal device can communicate with the fire alarm receiver is limited. Therefore, it is necessary to establish communication between ultra-high sensitivity smoke sensors with multiple output units and the fire alarm receiver without affecting the communication between the fire alarm receiver and terminal devices that occurred in conventional fire alarm systems.

[0010] Furthermore, while both fire alarm systems and ultra-high-sensitivity smoke monitoring systems display information on their displays when an anomaly is detected (fire detection or detection of extremely low-concentration smoke), there is room for consideration regarding the display method when the information from these separate systems is displayed on a single disaster prevention system. In the case of fire alarm systems, the display when a fire is detected by a specific terminal device such as a fire detector must comply with legal regulations. Of course, this can be solved by providing separate displays for fire alarm systems and ultra-high-sensitivity smoke monitoring systems, but considering the cost, it is desirable to display the information efficiently and appropriately on a single display unit.

[0011] The present invention aims to provide a disaster prevention system that enables the display of other necessary information efficiently and appropriately, even when it is necessary to prioritize a specific display, such as fire detection in a fire alarm system, without interfering with the priority display. [Means for solving the problem]

[0012] (Disaster prevention equipment 1) The present invention relates to a disaster prevention system that connects terminal devices to a higher-level device to monitor abnormalities, When a predetermined event occurs, including the detection of an anomaly, the higher-level device causes the display unit to display an event corresponding to the event that occurred. The display screen of the display unit that shows events will have the following: A first information display unit capable of displaying event information for any event among the events that have occurred, A second information display unit prioritizes displaying event information related to a specific event among the events that have occurred, It is characterized by the provision of [a feature].

[0013] (Priority display of event information related to the detection of anomalies by the first terminal device) The terminal equipment includes a first terminal device and a second terminal device for detecting abnormalities. The second information display unit prioritizes displaying event information related to the detection of anomalies by the first terminal device.

[0014] (Display of event information regarding the detection of anomalies by the second terminal device) The second information display unit displays event information regarding the detection of an abnormality by the second terminal device if an abnormality is detected by the second terminal device but not by the first terminal device.

[0015] (Switching display on the second information display unit) If an anomaly is detected by the first terminal device while the second information display unit is displaying event information related to the detection of an anomaly by the second terminal device, the display will switch from showing event information related to the detection of an anomaly by the second terminal device to showing event information related to the detection of an anomaly by the first terminal device.

[0016] (Maintaining display of the second information display unit) If the second information display unit is displaying event information related to the detection of an anomaly by the first terminal device and an anomaly is detected by the second terminal device while the second information display unit is displaying event information related to the detection of an anomaly by the first terminal device, the second information display unit will maintain the display of event information related to the detection of an anomaly by the first terminal device.

[0017] (Event display unit and guidance display unit) The first information display unit is an event display unit that displays event information related to an event in a predetermined manner, and allows the display to be filtered to show only event information related to a specific event through a predetermined operation. The second information display unit is a guidance display unit that provides instructions on how to deal with detected anomalies.

[0018] (Configuration of the event display section) The event display section includes: An event information display unit that displays event information related to an event that has occurred in a predetermined manner, The event information display unit includes a display event selection unit for selecting event information to be displayed in the event information display unit, A system was established, When predetermined event information is selected by the display event selection unit, all event information corresponding to the selected event information is selected, and the event information displayed on the event information display unit is narrowed down to the event information corresponding to the selected event information.

[0019] (Event information that becomes selectable in the display event selection unit after an event occurs) Part of the event information among the event information selectable in the display event selection unit is displayed on the display event selection unit and becomes selectable when a corresponding predetermined event occurs.

[0020] (Configuration of Guidance Display Unit) The guidance display unit is provided with a guidance information display unit that displays guidance for handling anomalies, and an operating terminal information display unit that displays terminal information related to the first terminal device or the second terminal device that operated to detect an anomaly, .

[0021] (Disaster prevention equipment combining fire alarm equipment and ultra-high sensitivity smoke monitoring equipment) The disaster prevention equipment is equipment that combines fire alarm equipment for monitoring fires specified by laws and regulations and ultra-high sensitivity smoke monitoring equipment for monitoring indoor anomalies not specified by laws and regulations, The first terminal device is a fire detector of the fire alarm equipment, and the second terminal device is an ultra-high sensitivity smoke sensor of the ultra-high sensitivity smoke monitoring equipment.

[0022] (Disaster Prevention Equipment 2) In another embodiment of the present invention, there is provided disaster prevention equipment for monitoring anomalies by connecting a plurality of terminal devices to a host device via a transmission line, The plurality of terminal devices include a fire detector of fire alarm equipment for monitoring fires specified by laws and regulations, an ultra-high sensitivity smoke sensor of ultra-high sensitivity smoke monitoring equipment for monitoring indoor anomalies not specified by laws and regulations, , The host device When a fire detector detects a fire, it continuously displays information regarding the detection of the fire on the display unit until the fire is extinguished. When the ultra-high-sensitivity smoke sensor detects smoke above a predetermined concentration, information regarding the detection of the smoke is displayed on the display unit. The system is characterized by simultaneously displaying information regarding fire detection and information regarding smoke detection on a display unit for easy viewing.

[0023] (Fire detectors and ultra-high-sensitivity smoke sensors connected to the same transmission line) A predetermined number of fire detectors and ultra-high-sensitivity smoke sensors are directly or indirectly connected to the same transmission line drawn from the higher-level device. At least a portion of the monitoring area monitored by fire detectors connected to the same transmission line and the monitoring area monitored by ultra-high sensitivity smoke sensors are common. [Effects of the Invention]

[0024] (Effects of disaster prevention equipment 1) The present invention relates to a disaster prevention system that monitors abnormalities by connecting terminal devices to a higher-level device. When a predetermined event, including the detection of an abnormality, occurs, the higher-level device causes a display unit to display an event corresponding to the occurred event. The display screen of the display unit displaying the event is provided with a first information display unit that can display event information for any event among the occurred events, and a second information display unit that prioritizes the display of event information for a specific event among the occurred events. As a result, even in a disaster prevention system that displays information for multiple events, it is possible to check all event information using the first information display unit and maintain the display of specific event information with high priority using the second information display unit, thereby achieving efficient and appropriate display.

[0025] (Effect of prioritizing the display of event information related to the detection of anomalies by the first terminal device) Furthermore, the terminal equipment includes a first terminal device and a second terminal device for detecting abnormalities, and the second information display unit is configured to prioritize the display of event information related to abnormality detection by the first terminal device, thereby enabling the display of information with priority in monitoring abnormalities, which is the main function of disaster prevention equipment.

[0026] (Effect of displaying event information regarding the detection of anomalies by the second terminal device) Furthermore, the second information display unit is configured to display event information regarding the detection of an anomaly by the second terminal device if the first terminal device does not detect an anomaly but the second terminal device does. This allows the display screen to be utilized to the fullest extent possible, depending on the situation, even when an anomaly is detected by the second terminal device, which has a lower display priority than the first terminal device.

[0027] (Effect of switching the display on the second information display unit) Furthermore, the second information display unit is configured to switch from displaying event information related to the detection of an anomaly by the second terminal device to displaying event information related to the detection of an anomaly by the first terminal device if an anomaly is detected by the first terminal device while the second information display unit is displaying event information related to the detection of an anomaly by the second terminal device. This ensures that the event information related to the detection of an anomaly by the first terminal device, which has a higher display priority, is reliably displayed.

[0028] (Effect of maintaining the display in the second information display unit) Furthermore, the second information display unit maintains the display of the event information regarding the anomaly detection by the first terminal device if an anomaly is detected by the second terminal device while the second information display unit is displaying the event information regarding the anomaly detection by the first terminal device. This ensures that the event information regarding the anomaly detection by the first terminal device, which has a higher display priority, is reliably displayed.

[0029] (Effects of the event display and guidance display) Furthermore, the first information display unit is an event display unit that displays event information related to an event that has occurred in a predetermined manner, and allows the user to narrow down the display to show event information related to any event through a predetermined operation, and the second information display unit is a guidance display unit that provides guidance on how to deal with detected anomalies. As a result, all event information that has occurred can be confirmed by the event display unit, and the guidance display unit ensures that event information related to the detection of anomalies by the first terminal device, which has a high display priority, can be confirmed and that necessary actions can be taken in response to the anomalies.

[0030] (Effects of the event display section configuration) Furthermore, the event display unit is provided with an event information display unit that displays event information related to an event in a predetermined manner, and a display event selection unit that selects the event information to be displayed on the event information display unit. When a predetermined event information is selected on the display event selection unit, all event information corresponding to that selected event information is selected, and the event information displayed on the event information display unit is narrowed down to the event information corresponding to that selected event information. As a result, all event information corresponding to one selected event information is automatically selected, making it easy to perform filtered display on the event information display unit.

[0031] (Effects of event information that becomes selectable in the event selection section after the event occurs) Furthermore, some of the event information that can be selected in the display event selection section is displayed and selectable in the display event selection section when the corresponding predetermined event occurs. This prevents selection operations for filtering display from being performed at times when filtering display is unnecessary or not possible for certain event information.

[0032] (Effects of the configuration of the guidance display unit) Furthermore, the guidance display unit is equipped with a guidance information display unit that displays instructions on how to deal with the anomaly, and an operating terminal information display unit that displays terminal information related to the first or second terminal device that was activated to detect the anomaly. As a result, it is possible to check not only how to deal with the anomaly but also the terminal information of the activated terminal device on the guidance display unit, making it possible to know information about the anomaly that occurred without checking the event display unit.

[0033] (Effectiveness of fire prevention equipment combining fire alarm systems and ultra-high sensitivity smoke monitoring systems) Furthermore, the fire prevention equipment is a combination of a fire alarm system that monitors fires as required by law and an ultra-high sensitivity smoke monitoring system that monitors indoor abnormalities not required by law. The first terminal device is a fire detector for the fire alarm system, and the second terminal device is an ultra-high sensitivity smoke sensor for the ultra-high sensitivity smoke monitoring system. Therefore, it is possible to reliably display a fire when a fire is detected by a fire detector, which is required by law. This also enables efficient and appropriate display even when the fire alarm system and ultra-high sensitivity smoke monitoring system, which were previously installed separately, are combined into a single fire prevention system.

[0034] (Effects of disaster prevention equipment 2) Furthermore, in another embodiment of the present invention, a fire prevention system monitors abnormalities by connecting multiple terminal devices to a higher-level device via a transmission line, wherein the multiple terminal devices include fire detectors for a fire alarm system that monitors fires as stipulated by law, and ultra-high-sensitivity smoke sensors for an ultra-high-sensitivity smoke monitoring system that monitors abnormalities in a room that are not stipulated by law, and the higher-level device displays information regarding the detection of the fire on its display unit at all times when a fire detector detects a fire until the fire is restored, and displays information regarding the detection of smoke on its display unit when the ultra-high-sensitivity smoke sensor detects smoke above a predetermined concentration, so that information regarding the detection of the fire and information regarding the detection of smoke can be viewed simultaneously on the display unit, thereby ensuring that information regarding the detection of the fire, which is required to be displayed by law, is displayed until the fire is restored, and making it easy to confirm both the information regarding the detection of the fire and the information regarding the detection of smoke.

[0035] (Effects of fire detectors and ultra-high sensitivity smoke sensors connected to the same transmission line) Furthermore, a predetermined number of fire detectors and ultra-high-sensitivity smoke sensors are directly or indirectly connected to the same transmission line extending from the higher-level device. This ensures that at least a portion of the monitoring area monitored by the fire detectors connected to the same transmission line is common to both the monitoring area monitored by the ultra-high-sensitivity smoke sensors and the monitoring area monitored by the same transmission line. This reduces the number of transmission lines required for communication between the higher-level device and terminal equipment, thereby simplifying the equipment configuration. [Brief explanation of the drawing]

[0036] [Figure 1] This is an explanatory diagram showing an example of the overall configuration of disaster prevention equipment. [Figure 2] This is an explanatory diagram showing an example of the functional configuration of an ultra-high sensitivity smoke sensor, along with a repeater. [Figure 3] This is an explanatory diagram showing an example of terminal information managed by the Terminal Information Management Department. [Figure 4] This is an explanatory diagram showing an example of an alarm display resulting from the first alarm operation. [Figure 5] This is an explanatory diagram showing an example of an alarm display triggered by the second alarm operation. [Figure 6] This is an explanatory diagram showing an example of an alarm display triggered by the second alarm operation. [Figure 7] This is an explanatory diagram showing an example of an alarm display when the first and second alarms are activated simultaneously. [Figure 8] This is an explanatory diagram showing an example of an alarm display in which the alarm display in Figure 7 is narrowed down to displaying event information related to the ultra-high sensitivity smoke sensor. [Modes for carrying out the invention]

[0037] Embodiments of the disaster prevention equipment according to the present invention will be described in detail below with reference to the drawings. However, the present invention is not limited to the following embodiments.

[0038] [Basic Concepts of the Embodiment] First, the basic concept of the embodiment will be explained. The embodiment generally relates to a disaster prevention system that monitors abnormalities by connecting terminal equipment to a higher-level device.

[0039] "Disaster prevention equipment" refers to equipment that monitors abnormalities such as fires, gas leaks, and theft, and specifically includes disaster prevention equipment that combines fire alarm equipment, which monitors fires as required by law, and ultra-high-sensitivity smoke monitoring equipment, which monitors abnormalities inside rooms that are not required by law.

[0040] The term "higher-level device" refers to a device positioned above terminal devices that monitors and controls connected terminal devices. It is a concept that includes devices that can be treated as equivalent in terms of their functions, such as fire alarm receiving panels, central monitoring devices, receivers, monitoring panels, and control panels. In the case of "fire alarm systems," this corresponds to a "fire alarm receiver," and in the case of "ultra-high-sensitivity smoke monitoring systems," it corresponds to an "ultra-high-sensitivity smoke monitoring panel."

[0041] "Terminal equipment" is positioned below higher-level equipment and includes appropriate terminal equipment necessary for monitoring and dealing with abnormalities, such as equipment that detects abnormalities or operates to deal with abnormalities that have occurred. "Fire alarm systems" are equipped with terminal equipment such as "fire detectors" such as heat detectors and smoke detectors, gas leak detectors, transmitters, area sounders, and fire doors. "Ultra-high sensitivity smoke monitoring systems" are equipped with "ultra-high sensitivity smoke sensors" that detect smoke with ultra-high sensitivity as terminal equipment.

[0042] In this fire prevention system, which combines a fire alarm system and a highly sensitive smoke monitoring system, the system is configured by connecting the terminal equipment of the fire alarm system and the highly sensitive smoke monitoring system to a higher-level device that has the functions of a fire receiver and a highly sensitive smoke monitoring panel, for example, a fire receiver that incorporates the functions of a highly sensitive smoke monitoring panel. The fire receiver detects abnormalities, including fire detection, using fire detectors and highly sensitive smoke sensors, and when an abnormality, including a fire, is detected, an alarm (event display) is shown on the display unit.

[0043] However, in a fire alarm system, when a fire detector is activated and a fire is detected, it is necessary to maintain the fire indication associated with that fire detection. At the same time, the display unit also needs to display event information related to other events such as abnormality detection by the ultra-high sensitivity smoke sensor (detection of smoke above a predetermined concentration), operation of other terminal equipment, and malfunctions.

[0044] Therefore, in the fire prevention equipment of this embodiment, when a predetermined event, including the detection of an anomaly, occurs, the higher-level device causes the display unit to display an event corresponding to the event that occurred. The display screen of the display unit displaying the event is provided with a first information display unit that can display event information for any event among the events that have occurred, and a second information display unit that prioritizes displaying event information for a specific event among the events that have occurred. This ensures that the necessary display is reliably made by the second information display unit, while all event information can be confirmed from the display of the first information display unit. This display configuration makes it possible to maintain fire warnings in the fire alarm system and to display other event information at the same time.

[0045] More specifically, in a fire prevention system that combines a fire alarm system and an ultra-high sensitivity smoke monitoring system, when a fire detector detects a fire, information regarding the detection of the fire is continuously displayed on the display unit until the fire is extinguished. When the ultra-high sensitivity smoke sensor detects smoke above a predetermined concentration, information regarding the detection of the smoke is displayed on the display unit. This allows for the simultaneous viewing of both fire detection information and smoke detection information on the display unit, enabling both the maintenance of fire indication and the display of other event information.

[0046] Furthermore, while the present invention was conceived as a display mode that enables the display of other necessary event information while maintaining the fire indication required in the fire alarm system in a disaster prevention system that combines a fire alarm system and an ultra-high sensitivity smoke monitoring system, the scope of the invention is not limited to disaster prevention systems that combine a fire alarm system and an ultra-high sensitivity smoke monitoring system, and is also applicable to disaster prevention systems that notify multiple event information by display.

[0047] Furthermore, the "display unit" where the event is displayed does not necessarily have to be a display unit such as a display on a higher-level device; it may be a display unit on a different device.

[0048] Furthermore, while the information included in "event information related to an event" is optional, it may include, for example, the date and time the event occurred, the details of the event, the type of terminal device that operated, terminal identification information such as address information, the installation location (location where the event occurred), and guidance on how to deal with the event. In addition, there may be multiple event information items that are prioritized and displayed in the second information display unit.

[0049] Furthermore, in disaster prevention equipment that combines a fire alarm system and an ultra-high sensitivity smoke monitoring system, such as a fire detector and an ultra-high sensitivity smoke sensor, if the terminal equipment includes a first terminal device and a second terminal device for detecting abnormalities, the "second information display unit" will prioritize displaying event information related to the detection of abnormalities by the first terminal device, which is one of the terminal devices. In disaster prevention equipment that combines a fire alarm system and an ultra-high sensitivity smoke monitoring system, the fire detector corresponds to the first terminal device, and the ultra-high sensitivity smoke sensor corresponds to the second terminal device.

[0050] Furthermore, the "second information display unit" will display event information regarding the detection of an abnormality by the second terminal device if an abnormality is detected by the second terminal device but not by the first terminal device, i.e., if there is no need to prioritize displaying event information regarding the detection of an abnormality by the first terminal device.

[0051] Furthermore, if the "Second Information Display Unit" is displaying event information related to the detection of an anomaly by the second terminal device when an anomaly is detected by the first terminal device, or if an anomaly is detected by the second terminal device when event information related to the detection of an anomaly by the first terminal device is being displayed, that is, if it is necessary to prioritize the display of event information related to the detection of an anomaly by the first terminal device, the "Second Information Display Unit" will either switch from displaying event information related to the detection of an anomaly by the second terminal device to displaying event information related to the detection of an anomaly by the first terminal device, or maintain the display of event information related to the detection of an anomaly by the first terminal device, thereby prioritizing the display of event information related to the detection of an anomaly by the first terminal device.

[0052] Furthermore, the "first information display unit" and the "second information display unit" can be configured as desired. For example, the "first information display unit" may be an "event display unit" that displays event information related to an event in a predetermined manner and allows the user to narrow down the display to show only the event information related to a given event through a predetermined operation, while the "second information display unit" may be a "guidance display unit" that displays instructions on how to deal with detected anomalies. Here, the "display of event information in a list" does not necessarily mean that all event information that has occurred is displayed in the first information display unit. The first information display unit may display only some of the event information that has occurred, and the displayed event information may be switched or transitioned by scrolling or other operations.

[0053] Furthermore, the "event display unit" includes, for example, an "event information display unit" that displays event information related to an event in a predetermined manner, and a "display event selection unit" that allows the user to select which event information to display in the event information display unit. When a predetermined event information is selected in the display event selection unit, all event information corresponding to that selected event information is selected, and the event information displayed in the event information display unit is narrowed down to only the event information corresponding to that selected event information.

[0054] Taking a fire prevention system that combines a fire alarm system and a highly sensitive smoke monitoring system as an example, the events displayed as event information in this fire prevention system include events related to the fire alarm system and events related to the highly sensitive smoke monitoring system (highly sensitive smoke sensor). If an event related to the highly sensitive smoke monitoring system, such as event information related to fire detection by the highly sensitive smoke sensor, is selected in the display event selection section, all event information related to the highly sensitive smoke monitoring system, such as malfunctions of the highly sensitive smoke sensor, will be treated as selected, and the event information display section will be filtered to show only event information related to the highly sensitive smoke monitoring system.

[0055] Furthermore, some of the event information that can be selected in the display event selection section is displayed and selectable in the display event selection section when a corresponding predetermined event occurs. Taking a fire prevention system that combines a fire alarm system and a super-high sensitivity smoke monitoring system as an example, for instance, among the event information of the fire prevention system, event information related to the super-high sensitivity smoke sensor is not displayed in the display event selection section until an event related to the super-high sensitivity smoke sensor occurs. Once an event related to the super-high sensitivity smoke sensor occurs, it is displayed in the display event selection section and selection operations for filtering the display become possible. Here, if there is multiple event information related to the super-high sensitivity smoke sensor to display, the condition for displaying this event information in the display event selection section is not limited to when an event corresponding to itself occurs, but may also be set so that all event information related to the super-high sensitivity smoke sensor is displayed and selectable in the display event selection section when an event related to another super-high sensitivity smoke sensor occurs, i.e., when any event related to the super-high sensitivity smoke sensor occurs.

[0056] Furthermore, the "event display unit" includes, for example, a "guidance information display unit" that displays instructions on how to deal with an anomaly, and an "operating terminal information display unit" that displays terminal information related to the first or second terminal device that was operated to detect the anomaly.

[0057] Furthermore, the information included in "terminal information" is arbitrary, but may include, for example, the date and time of operation (date and time of event occurrence), the content of the operation (content of the event that occurred), the terminal type of the terminal device that performed the operation, terminal identification information such as address information, and the location of installation (location where the event occurred). Some or all of this information may be the same as the event information displayed in the event display section.

[0058] Furthermore, in disaster prevention equipment that combines fire alarm systems and ultra-high sensitivity smoke monitoring systems, a predetermined number of fire detectors and ultra-high sensitivity smoke sensors are directly or indirectly connected to the same transmission line drawn from a higher-level device, and at least a portion of the monitoring area monitored by the fire detectors connected to the same transmission line and the monitoring area monitored by the ultra-high sensitivity smoke sensors are common. Here, "indirectly connected to the transmission line" means connected via other equipment such as a repeater, and the number of fire detectors and ultra-high sensitivity smoke sensors connected to the same transmission line does not necessarily have to be the same. Also, the entire monitoring area monitored by the fire detectors connected to the same transmission line and the entire monitoring area monitored by the ultra-high sensitivity smoke sensors may be common.

[0059] The following describes a specific embodiment. In the specific embodiment shown below, the disaster prevention equipment is a "disaster prevention equipment combining a fire alarm system and an ultra-high sensitivity smoke monitoring system," the higher-level device is a "fire receiver having the function of an ultra-high sensitivity smoke monitoring panel," the terminal equipment includes a "first terminal device which is a fire detector and a second terminal device which is an ultra-high sensitivity smoke sensor," and the first information display unit of the display screen that displays events is an "event display unit" and the second information display unit is a "guidance display unit."

[0060] [Specific details of the embodiment] The embodiments of the disaster prevention equipment will be explained in the following sections. a. Overview of disaster prevention equipment b. Ultra-high sensitivity smoke sensor c. Fire receiver d. Terminal Information Management Department e. Monitoring and Control Unit f. Display control unit f1. Alarm display due to the first alarm operation f2. Alarm display due to the second alarm operation f3. Alarm display when the first and second alarms activate simultaneously. g. Modified form of the present invention

[0061] [a. Overview of disaster prevention equipment] First, we will explain the overview of the disaster prevention equipment. This explanation will refer to Figure 1, which shows an example of the overall configuration of the disaster prevention equipment.

[0062] In this embodiment, the fire prevention equipment includes a fire alarm receiver 10 installed in a monitoring room or similar location within the building where the equipment is to be installed. Transmission lines 12 are drawn from the fire alarm receiver 10 to monitoring areas that are subject to monitoring for abnormalities, including fires. The transmission lines are drawn separately for each floor, for example. In Figure 1, two transmission lines, 12-1 and 12-2, are shown as representative examples.

[0063] The transmission line 12-1 is connected to terminal equipment of the fire alarm system. For example, in Figure 1, a fire detector 14, a transmitter (addressable transmitter) 16, and a gas leak detector 15 and smoke control equipment 20 such as fire doors and smoke exhaust systems are connected via a repeater 18. The fire detector 14 can be any one or more types of fire detectors, such as heat detectors, smoke detectors, and flame detectors.

[0064] Transmission line 12-2 is connected to terminal equipment for fire alarm systems and ultra-high sensitivity smoke monitoring systems. For example, in Figure 1, in addition to the terminal equipment for fire alarm systems connected to transmission line 12-1, an ultra-high sensitivity smoke sensor 22 is connected via repeaters 18-1 and 18-2 as terminal equipment for the ultra-high sensitivity smoke monitoring system. Transmission line 12-2 is extended to floors containing facilities and equipment where fire damage should be minimized, such as computer rooms with many electronic devices such as servers, and clean rooms with semiconductor manufacturing equipment. Furthermore, a power line 13 drawn from the fire alarm receiver 10 is connected to the ultra-high sensitivity smoke sensor 22 without going through repeater 18, and the ultra-high sensitivity smoke sensor 22 operates by receiving power from the fire alarm receiver 10. Repeaters 18-1 and 18-2 are the same type of repeater as repeater 18, and when there is no need to distinguish between them, they are referred to as repeater 18. These repeaters can connect to terminal equipment on up to four lines.

[0065] Furthermore, the terminal equipment connected to the transmission line 12 is not limited to the terminal equipment shown in Figure 1; any other terminal equipment such as security detectors and district sound devices may also be connected.

[0066] Furthermore, each terminal device connected to the transmission line 12, or each repeater 18 to which a terminal device is connected, is assigned unique address information that is different from each other, and the fire alarm receiver 10 can identify the terminal device based on this address information. In addition, the maximum number of addresses that can be assigned to terminal devices connected to the transmission line 12, or to repeaters 18 to which terminal devices are connected, is set to, for example, 255, so that up to 255 terminal devices can be connected to the transmission line 12 directly or via repeaters 18.

[0067] [b. Ultra-high sensitivity smoke sensor] Next, we will explain the ultra-high sensitivity smoke sensor. For this explanation, please refer to Figure 2, which shows an example of the functional configuration of the ultra-high sensitivity smoke sensor together with a repeater.

[0068] As shown in Figure 2, the ultra-high sensitivity smoke sensor 22 includes, for example, a sensor control unit 2210, a smoke detection unit 2220, a suction unit 2230, a sampling tube 2232, a fault detection unit 2240, an operation unit 2250, a display unit 2260, a transmission unit 2270, and a power supply unit 2280.

[0069] The sampling tube 2232 is routed to a predetermined area where ultra-low concentrations of smoke are detected, such as a computer room or a clean room. The suction unit 2230 draws in air through a sampling hole formed in the sampling tube 2232 and sends it to the smoke detection unit 2220, which detects ultra-low concentrations of smoke from the drawn-in air.

[0070] The sensor control unit 2210 controls the operation of the ultra-high sensitivity smoke sensor 22, and its main function is to perform abnormality determination (detection of smoke above a predetermined concentration) based on the smoke concentration detected by the smoke detection unit 2220. The abnormality determination method by the sensor control unit 2210 is arbitrary, but for example, abnormality determination is performed in three levels, and when the smoke concentration of the detected smoke is, for example, 0.1% / m or more, it is determined to be the lowest level of smoke detection (attention level), when the smoke concentration of the detected smoke is, for example, 0.5% / m or more, it is determined to be the second lowest level of smoke detection (warning level), and when the smoke concentration of the detected smoke is, for example, 1.0% / m or more, it is determined to be the highest level of smoke detection (alarm level).

[0071] Furthermore, the fault detection unit 2240 can detect faults in the ultra-high sensitivity smoke sensor 22, such as a drop in the power supply voltage supplied to each functional unit or malfunction of each functional unit. The sensor control unit 2210 can determine the fault occurring in the ultra-high sensitivity smoke sensor 22 by receiving a signal from the fault detection unit 2240 indicating that a fault has been detected.

[0072] The operation unit 2250 includes an operation section for setting various switches such as a power switch and a reset switch, as well as conditions for abnormality detection. The display unit 2260 displays information related to the detected abnormality or malfunction. The operation unit 2250 also includes an operation section for setting the ultra-high sensitivity smoke sensor 22 to a state where it does not transmit information to an external source even if an abnormality or malfunction is detected.

[0073] The transmission unit 2270 has five output units, a caution output unit 2271, a caution output unit 2272, an alarm output unit 2273, an alarm output unit 2274, and an alarm transmission stop output unit 2275, to output signals to the outside when a caution level smoke detection is determined, when a warning level smoke detection is determined, when an alarm level smoke detection is determined, when a fault is determined, or when an alarm transmission stop state is set. When a warning level smoke detection is determined, the conditions for determining a caution level smoke detection are met, so signals are output from the caution output unit 2271 and the caution output unit 2272. When an alarm level smoke detection is determined, the conditions for determining a caution level and a warning level smoke detection are met, so signals are output from the caution output unit 2271, the caution output unit 2272, and the alarm output unit 2273.

[0074] Here, the ultra-high sensitivity smoke sensor 22 has five output units, while the repeater 18, being a repeater capable of connecting to terminal equipment via a maximum of four lines, has four input units. Therefore, it is not possible to connect all five output units of one ultra-high sensitivity smoke sensor 22 to one repeater 18. It is possible to physically increase the number of input units of the repeater 18, and thus connect all five output units of the ultra-high sensitivity smoke sensor 22 to one repeater 18, but this would increase the amount of transmission information sent from the repeater 18 to which the ultra-high sensitivity smoke sensor 22 is connected to the fire alarm receiver 10. However, in fire alarm systems that monitor fires as required by law, the time a single terminal device or a repeater 18 to which a terminal device is connected communicates with the fire alarm receiver 10 is limited. Increasing the communication time to the repeater 18 to which the ultra-high sensitivity smoke sensor 22 is connected, in accordance with the transmission information of the ultra-high sensitivity smoke sensor 22 transmitted via the repeater 18, would affect the entire communication between the fire alarm receiver 10 and the terminal device or the repeater 18 to which the terminal device is connected, and therefore, physically increasing the number of inputs in a single repeater 18 is undesirable.

[0075] Therefore, the five output units 2271 to 2275 of the ultra-high sensitivity smoke sensor 22 are divided into two repeaters 18-1 and 18-2, and connected to the input units 1811-1 to 1814-1 and 1811-2 to 1814-2 of each repeater 18-1 and 18-2.

[0076] Here, the method of connecting the ultra-high sensitivity smoke sensor 22 to the repeaters 18-1 and 18-2 is arbitrary, but for example, as shown in Figure 2, by connecting the caution output unit 2271, warning output unit 2272, alarm output unit 2273, and fault output unit 2274 of the ultra-high sensitivity smoke sensor 22 to each of the four input units 1811-1 to 1814-1 of the repeater 18-1, the ultra-high sensitivity smoke sensor 22 is connected to the repeater 18-1 via four lines, and by connecting the alarm transfer stop output unit 2275 of the ultra-high sensitivity smoke sensor 22 to one input unit 1811-2 of the repeater 18-2, the ultra-high sensitivity smoke sensor 22 is connected to the repeater 18-2 via one line, and the output units 1820 of the repeaters 18-1 and 18-2 are connected to the fire alarm receiver 10 via the transmission line 12-2. Furthermore, the signals from the ultra-high sensitivity smoke sensor 22 to the repeaters 18-1 and 18-2 are on / off signals. Signal output and stopping from the ultra-high sensitivity smoke sensor 22 to the repeaters 18-1 and 18-2 are performed, for example, by the control of the sensor control unit 2210, which switches the switch contacts of each output unit 2271 to 2275 on and off. In addition to the signal lines connecting the output unit of the ultra-high sensitivity smoke sensor 22 to the input units of the repeaters 18-1 and 18-2, the circuit between the ultra-high sensitivity smoke sensor 22 and the repeaters 18-1 and 18-2 also includes a common line (not shown).

[0077] The power supply unit 2280 is connected to the power line 13 from the fire alarm receiver 10 and supplies the necessary power to each component of the ultra-high sensitivity smoke sensor 22.

[0078] [c. Fire receiver] Next, we will explain the fire alarm receiver. For this explanation, please refer to Figure 1 again.

[0079] As shown in Figure 1, the fire alarm receiver 10 includes a main CPU 1010, sub-CPU units 1020-1 and 1020-2, a display unit 1030, an indicator light unit 1040, an operation unit 1050, an acoustic unit 1060, an alarm transmission unit 1070, a storage unit 1080, and a power supply unit 1090. Sub-CPU units 1020-1 and 1020-2 include sub-CPUs 1022-1 and 1022-2 and transmission units 1024-1 and 1024-2. When there is no need to distinguish between sub-CPU units 1020-1 and 1020-2, sub-CPUs 1022-1 and 1022-2, and transmission units 1024-1 and 1024-2, they are referred to as sub-CPU unit 1020, sub-CPU 1022, and transmission unit 1024. Furthermore, in Figure 1, there are two sub-CPU units 1020-1 and 1020-2 corresponding to transmission lines 12-1 and 12-2, but the number of sub-CPU units 1020 corresponds to the number of transmission lines 12 drawn out from the fire alarm receiver 10.

[0080] In the fire alarm receiver 10, the main CPU 1010 and the sub-CPU 1022 are connected by a serial transfer bus 1026, enabling communication between the main CPU 1010 and the sub-CPU 1022. The transmission unit 1024 then communicates with terminal equipment connected to the transmission line 12 or with the repeater 18 to which the terminal equipment is connected.

[0081] The display unit 1030 is a touch panel display, for example, using a liquid crystal display panel; the indicator light unit 1040 is equipped with, for example, representative lights and LED indicator lights that indicate abnormalities or malfunctions, including fire; the operation unit 1050 is equipped with, for example, various switches necessary for fire and gas leak monitoring; the sound unit 1060 is equipped with, for example, a speaker that outputs an alarm; the alarm transmission unit 1070 outputs an alarm signal to other equipment when a fire or gas leak is detected; the memory unit 1080 stores, for example, various information necessary for fire and gas leak monitoring; and the power supply unit (power supply unit for multi-output terminal equipment) 1090 generates and supplies power to the ultra-high sensitivity smoke sensor 22. The fire receiver 10 is also equipped with a USB port, although not shown, which allows information to be read and written via USB memory.

[0082] Furthermore, the main CPU 1010 is equipped with terminal information management unit 1012, monitoring control unit 1014, and display control unit 1016, which are functions realized by program execution. The main CPU 1010 also monitors whether the power supply unit 1090 is properly supplying power to the ultra-high sensitivity smoke sensor 22.

[0083] [d. Terminal Information Management Department] Next, we will explain the Terminal Information Management Unit. For this explanation, please refer to Figure 3, which shows an example of terminal information managed by the Terminal Information Management Unit.

[0084] The terminal information management unit 1012 manages terminal information related to terminal equipment connected to the transmission line 12. The terminal information managed by the terminal information management unit 1012 is arbitrary, but for example, as shown in Figure 3, it is managed by dividing it into the following items: "system," "address," "terminal type," "installation location," "line number," "line type," "status," and "linked destination."

[0085] The "System" field contains information indicating which of the transmission lines 12, which are laid out separately for each floor, the device is connected to. For example, in this embodiment, since the transmission lines 12 are laid out separately for each floor, the device is managed as "01" if it is connected to the transmission line 12 laid out on the first floor, and as "02" if it is connected to the transmission line 12 laid out on the second floor.

[0086] The "Address" field indicates the address information set for each terminal device and the repeater 18 to which the terminal device is connected. In this embodiment, up to 255 terminal devices and repeaters 18 can be connected, so they are managed with numbers from "001" to "255". Here, as shown in the addresses "024" and "025" in Figure 3, the address information for repeaters 18-1 and 18-2 to which the same ultra-high sensitivity smoke sensor 22 is connected is set to be sequential, which makes it easy for the fire alarm receiver 10 to understand the correspondence between repeaters 18-1 and 18-2 to which the same ultra-high sensitivity smoke sensor 22 is connected.

[0087] The "Terminal Type" field indicates the type of terminal device being connected. For terminal devices connected via a repeater, the term "Repeater" is added in addition to the terminal device type to indicate that the terminal device is connected to the fire alarm receiver 10 via a repeater. For example, the ultra-high sensitivity smoke sensor 22 is managed as "Repeater Ultra-High Sensitivity Smoke Sensor," making it easy for the fire alarm receiver 10 to determine which repeater 18 is connected to the ultra-high sensitivity smoke sensor 22.

[0088] The "Installation Location" field contains information indicating where the terminal equipment is installed, and is managed, for example, by the floor number and a name indicating the installation location.

[0089] The "Line Number" and "Line Type" fields indicate the lines between the repeater 18, to which the terminal equipment is connected via up to four lines, and the terminal equipment. Since the terminal equipment is connected to the repeater 18 via up to four lines, each address is assigned a line number from "01" to "04," and the "Line Type" is managed for each line number.

[0090] Furthermore, for terminal devices such as fire detectors 14 that are connected without going through the repeater 18, the terminal information of such terminal devices is managed without using the "circuit number" and "circuit type" fields. Also, even for terminal devices connected via the repeater 18, if there are unused lines, the field corresponding to the line number will be left blank.

[0091] For example, in the "Line Type" field of address "024," which is a repeater 18-1 to which the ultra-high sensitivity smoke sensor 22 is connected, the line type for line number "01" is "Caution," the line type for line number "02" is "Warning," the line type for line number "03" is "Alarm," and the line type for line number "04" is "Fault." "Caution" corresponds to the line to which the caution output unit 2271 of the ultra-high sensitivity smoke sensor 22 is connected, "Warning" corresponds to the line to which the warning output unit 2272 of the ultra-high sensitivity smoke sensor 22 is connected, "Alarm" corresponds to the line to which the alarm output unit 2273 of the ultra-high sensitivity smoke sensor 22 is connected, and "Fault" corresponds to the line to which the fault output unit 2274 of the ultra-high sensitivity smoke sensor 22 is connected. Furthermore, in the "Line Type" field for address "025," which is the repeater 18-2 to which the ultra-high sensitivity smoke sensor 22 is connected, the line type for line number "01" is "Transfer Stopped," and "Transfer Stopped" corresponds to the line to which the transfer stop output unit 2275 of the ultra-high sensitivity smoke sensor 22 is connected. The "Line Type" fields for line numbers "02" to "04" are left blank because there are no lines to which the output unit of the ultra-high sensitivity smoke sensor 22 is connected.

[0092] The "Status" column contains information indicating the operating status of terminal devices, such as "Detected," "Not Detected," "Operating," and "Not Operating." For example, in Figure 3, the "Status" for circuit numbers "01" to "03" of repeater 18-1 with address "024," to which the ultra-high sensitivity smoke sensor 22 is connected, is "Detected," and the "Status" for "04" is "Not Detected." The "Status" for circuit number "01" of repeater 18-2 with address "025," to which the ultra-high sensitivity smoke sensor 22 is connected, is "Not Detected." This indicates that the ultra-high sensitivity smoke sensor 22 connected to repeater 18-1 with address "024" and repeater 18-2 with address "025" has detected smoke at an alarm level.

[0093] The "Linked Destination" field indicates the address information of the linked destination whose operation is linked. When the "Status" field changes to a predetermined state (detection, operation, etc.) indicating that an operation has been performed, the terminal device corresponding to the address information in the linked destination field is activated. For example, the linked destination for the fire detector 14 with address "021" is set to address "023" of a relay 18 to which a fire door, a type of smoke control equipment 20, is connected. When the status of the fire detector 14 changes to "detection," the fire door connected to the relay 18 with address "023" will be activated.

[0094] Furthermore, terminal information managed by the terminal information management unit 1012 can be created in advance at another location, for example. A USB memory stick containing the created terminal information is then inserted into the USB port of the fire alarm receiver 10, and the terminal information is read from the USB memory stick and stored in the storage unit 1080. From there, it is managed by the terminal information management unit 1012. Note that the terminal information stored in the storage unit 1080 may be updateable by the fire alarm receiver 10 using the display unit 1030 or the operation unit 1050. Also, addresses that do not have terminal information listed, such as address "026" in Figure 3, are unused addresses.

[0095] Then, using the terminal information managed by the terminal information management unit 1012, monitoring is performed by the monitoring control unit 1014 and display control is performed by the display control unit 1016.

[0096] [e. Monitoring and Control Unit] Next, the monitoring control unit will be described. The monitoring control unit 1014 primarily performs monitoring and control by communicating with relay units 18-1 and 18-2, to which the fire detector 14 and the ultra-high sensitivity smoke sensor 22 are connected, via the sub-CPU unit 1020, to perform abnormality monitoring. An example of abnormality monitoring by the monitoring control unit 1014 is shown below.

[0097] Taking the sub-CPU unit 1020-2, which corresponds to the transmission line 12-2 to which the fire detector 14 and the ultra-high sensitivity smoke sensor 22 are connected, as an example, the sub-CPU 1022-2 of the sub-CPU unit 1020-2 instructs the transmission unit 1024-2 to send and receive signals between the repeaters 18-1 and 18-2 to which the fire detector 14 and the ultra-high sensitivity smoke sensor 22 are connected, in accordance with a predetermined communication protocol, thereby performing abnormality monitoring.

[0098] Downlink signals from the transmission unit 1024-2 to the fire detectors 14 and repeaters 18 are transmitted in voltage mode. These voltage-mode signals are transmitted as voltage pulses that change the line voltage of the transmission line 12-2, for example, between 18 volts and 30 volts.

[0099] In contrast, the upstream signals from the fire detector 14 and the repeater 18 to the transmission unit 1024-2 are transmitted in current mode. In this current mode, a signal current is passed through the transmission line 12-2 at the timing of bit 1 of the transmission data, and the upstream signal is transmitted to the fire receiver 10 as a so-called current pulse train.

[0100] During normal monitoring, the sub-CPU 1022-2 instructs the transmission unit 1024-2 to send a broadcast batch AD conversion signal including a batch AD conversion command at regular intervals. The fire detector 14, upon receiving this batch AD conversion signal, retains the detected data such as smoke concentration and temperature as transmission information. The repeater 18-1, to which the ultra-high sensitivity smoke sensor 22 is connected, retains the transmission information from the caution output unit 2271, the warning output unit 2272, the alarm output unit 2273, and the fault output unit 2274. The repeater 18-2, to which the ultra-high sensitivity smoke sensor 22 is connected, retains the transmission information from the alarm transfer stop output unit 2275.

[0101] Here, the transmission information held by the repeaters 18-1 and 18-2 to which the ultra-high sensitivity smoke sensor 22 is connected is a total of 4 bits of information, where "1" is used when a signal is output from an output unit (on signal) and "0" is used when no signal is output from an output unit (off signal), since the signals from each output unit 2271 to 2275 of the ultra-high sensitivity smoke sensor 22 are on / off signals. The first bit of the transmission information of repeater 18-1 is the signal information of the caution output unit 2271, the second bit is the signal information of the warning output unit 2272, the third bit is the signal information of the alarm output unit 2273, and the fourth bit is the signal information of the fault output unit 2274. The first bit of the transmission information of repeater 18-2 is the signal information of the signal transfer stop output unit 2275, and the second to fourth bits are fixed at 0 because there are no corresponding output units.

[0102] Next, the transmission unit 1024-2 transmits a call signal including a polling command that sequentially specifies addresses. When the repeaters 18-1 and 18-2, to which the fire detector 14 and the ultra-high sensitivity smoke sensor 22 are connected, receive a call signal containing an address that matches their own address, they transmit a response signal containing the transmission information they are currently holding to the transmission unit 1024-2. The sub-CPU 1022-2 then transmits the response signal received via the transmission unit 1024-2 to the main CPU 1010 via the serial transfer bus 1026.

[0103] Furthermore, when the fire detector 14 detects that the detected smoke concentration or temperature has reached a predetermined pre-fire level, which is lower than a predetermined fire level, it sends an interrupt signal to the transmission unit 1024-2, and the repeater 18-1, The system detects the signal output from the warning output unit 2271, that is, when the ultra-high sensitivity smoke sensor 22 determines that smoke at a warning level has been detected, it sends an interrupt signal to the transmission unit 1024-2.

[0104] When the sub-CPU 1022-2 receives an interrupt signal via the transmission unit 1024-2, it sends a group search command signal to identify the address of the fire detector 14 or repeater 18-1 that is the source of the interrupt signal, and determines whether the source of the interrupt signal is the fire detector 14 or the repeater 18-1 to which the ultra-high sensitivity smoke sensor 22 is connected.

[0105] In this case, if the source of the interrupt signal is the fire detector 14, the sub-CPU 1022-2 centrally acquires the transmission information from the fire detector 14 that sent the interrupt signal and transmits the acquired transmission information from the fire detector 14 to the main CPU 1010. On the other hand, if the source of the interrupt signal is the relay 18-1 to which the ultra-high sensitivity smoke sensor 22 is connected, the sub-CPU 1022-2 informs the main CPU 1010 that it has received an interrupt signal from the relay 18-1, and, unlike in the case of the fire detector 14, continues normal monitoring operation without centrally acquiring the transmission information from the relay 18-1 to which the ultra-high sensitivity smoke sensor 22 is connected.

[0106] The monitoring control unit 1014 monitors the operating status of the ultra-high sensitivity smoke sensor 22 based on the transmission information from the repeaters 18-1 and 18-2 received from the sub-CPU 1022-2. When it detects that the ultra-high sensitivity smoke sensor 22 has detected smoke above a warning level based on the transmission information (i.e., the ultra-high sensitivity smoke sensor 22 has detected an abnormality), that is, when the transmission information from the repeater 18-1 is "1,0,0,0", "1,1,0,0", or "1,1,1,0", it performs a predetermined alarm operation (first alarm operation) using the ultra-high sensitivity smoke sensor 22. For example, the first alarm operation involves causing the acoustic unit 1060 to output an alarm sound or alarm message, and the display unit 1030 to display an alarm.

[0107] Furthermore, the monitoring control unit 1014 detects fires based on the smoke concentration, temperature, etc., contained in the transmission information from the fire detector 14 received from the sub-CPU 1022-2. When the smoke concentration or temperature reaches a predetermined fire level, it detects a fire and performs a predetermined fire alarm operation (second alarm operation). For example, the second alarm operation involves illuminating the fire indicator light unit 1040, outputting an alarm sound or alarm message from the sound unit 1060, displaying an alarm on the display unit 1030, outputting a fire alarm signal to the outside via the transmission unit 1070, and controlling the interlocking of terminal equipment such as smoke control equipment 20 based on the "interlock destination" item of the terminal information managed by the terminal information management unit 1012.

[0108] Furthermore, the abnormality monitoring on the sub-CPU unit 1020-1 side is basically the same as in the case of the sub-CPU unit 1020-2 described above, except that there is no ultra-high sensitivity smoke sensor 22 as a terminal device. In addition, the monitoring control unit 1014 performs gas leak monitoring as part of the abnormality monitoring by communicating with the relay unit 18 to which the gas leak detector 15 is connected in the same way.

[0109] [f. Display Control Unit] Next, the display control unit will be described. The display control unit 1016 controls the event display of events such as fire detection, and its main display control is the alarm display in the first alarm operation and the second alarm operation described above. An example of an alarm display by the display control unit 1016 is shown below.

[0110] (f1. Alarm display due to the first alarm operation) First, we will explain the alarm display triggered by the first alarm operation when an abnormality is detected by the ultra-high-sensitivity smoke sensor, which detects smoke above a warning level. In this explanation, please refer to Figure 4, which shows an example of the alarm display triggered by the first alarm operation.

[0111] When the ultra-high sensitivity smoke sensor 22 detects an abnormality, for example, if the ultra-high sensitivity smoke sensor 22 connected to the repeater 18-1 with address "024" and the repeater 18-2 with address "025" as shown in Figure 3 determines that smoke at a warning level has been detected, and the transmission information from the repeater 18-1 with address "024" becomes "1,0,0,0", and the monitoring control unit 1014 detects that the ultra-high sensitivity smoke sensor 22 connected to the repeater 18-1 with address "024" and the repeater 18-2 with address "025" has determined that smoke at a warning level has been detected, the display control unit 1016 displays an alarm on the display unit 1030 due to the first alarm operation. The display screen of the display unit 1030 that displays the alarm here is divided into a header display unit 30, an event display unit 32, and a guidance display unit 34, as shown in Figure 4, for example.

[0112] The header display unit 30 includes, for example, a mode display unit 3010 that shows the current operating mode, a print button 3020 for printing event information displayed in the event display unit 32, a mode button 3030 for switching modes such as maintenance mode, a back button 3040 for returning a display screen that has transitioned to another screen to the display screen shown in Figure 4, and a date and time display unit 3050 that shows the current date and time.

[0113] The event display unit 32 includes an event information display unit 3210 that displays a list of event information related to an event that has occurred, and a display event selection unit 3220 that selects the event information to be displayed in the event information display unit 3210. In Figure 4, since the ultra-high sensitivity smoke sensor 22, which is connected to repeater 18-1 with address "024" and repeater 18-2 with address "025" as shown in Figure 3, has detected smoke at a warning level, the display control unit 1016 displays event information related to the warning-level smoke detection by the ultra-high sensitivity smoke sensor 22 on the event information display unit 3210, based on terminal information managed by the terminal information management unit 1012. This information includes, for example, "AA / BB aa:bb:cc" indicating the date and time of occurrence, "Ultra-high sensitivity smoke sensor" indicating the terminal type, "Warning" indicating that the ultra-high sensitivity smoke sensor 22 has detected smoke at a warning level, "02-024" indicating the system and address of the ultra-high sensitivity smoke sensor 22 (repeater 18-1), and "2nd floor room A" indicating the installation location of the ultra-high sensitivity smoke sensor 22.

[0114] The guidance display unit 34 includes a guidance information display unit 3410 that provides guidance on how to deal with an event that has occurred, and an operating terminal information display unit 3420 that shows the terminal equipment that was operated. In Figure 4, since the ultra-high sensitivity smoke sensor 22, which is connected to repeater 18-1 with address "024" and repeater 18-2 with address "025" as shown in Figure 3, has detected smoke at a warning level, the display control unit 1016 displays guidance on the guidance information display unit 3410 for when an abnormality is detected by the ultra-high sensitivity smoke sensor 22. At the same time, based on terminal information managed by the terminal information management unit 1012, it displays terminal information related to the ultra-high sensitivity smoke sensor 22 on the operating terminal information display unit 3420, including, for example, "AA / BB aa:bb:cc" indicating the date and time of operation, "Ultra-high sensitivity smoke sensor" indicating the terminal type, "Caution" indicating that the ultra-high sensitivity smoke sensor 22 has detected smoke at a warning level, "02-024" indicating the system and address of the ultra-high sensitivity smoke sensor 22 (repeater 18-1), and "2nd floor room A" indicating the installation location of the ultra-high sensitivity smoke sensor 22. Although the terminal information displayed on the terminal information display unit 3420 of the guidance display unit 34 and the event information displayed on the event information display unit 3210 of the event display unit 32 are in the same format, they may be in different formats.

[0115] Furthermore, although Figure 4 shows only one event information related to the detection of smoke at a warning level by the ultra-high sensitivity smoke sensor 22 on the event information display unit 3210 of the event display unit 32 for illustrative purposes, in reality, event information related to events that have occurred so far will be displayed in a list. In addition to the event information related to the ultra-high sensitivity smoke sensor 22, "Warning (Smoke detection at warning level)", "Alarm (Smoke detection at alarm level)", "Fault", and "Transfer stop" will also be displayed on the event information display unit 3210. Moreover, if smoke detection at a warning level or higher is determined by multiple ultra-high sensitivity smoke sensors 22, event information related to multiple ultra-high sensitivity smoke sensors 22 will be added to the event information display unit 3210 of the event display unit 32, and terminal information related to the corresponding multiple ultra-high sensitivity smoke sensors 22 will be displayed on the operation terminal information display unit 3420 of the guidance display unit 34.

[0116] (f2. Alarm display due to the activation of the second alarm) Next, we will explain the alarm display resulting from the second alarm operation when a fire is detected by the fire detector 14. In this explanation, please refer to Figures 5 and 6, which show an example of the alarm display resulting from the second alarm operation.

[0117] When a fire is detected by the fire detector 14, for example, when the monitoring control unit 1014 detects a fire based on the information transmitted from the fire detector 14 at address "001" as shown in Figure 3, the display control unit 1016 displays an alarm on the display unit 1030 due to the second alarm operation. In the alarm display due to the second alarm operation, for example, the alarm display shown in Figure 5 is displayed first, and the display screen showing the alarm display in Figure 5 is divided into a header display unit 30 and a guidance display unit 36. Note that the header display unit 30 is basically the same as the header display unit 30 shown in Figure 4, so its explanation is omitted.

[0118] The guidance display unit 36 ​​includes, for example, a fire occurrence display unit 3610 that indicates that a fire has occurred, a fire occurrence location display unit 3620 that shows the location of the fire, which is the location where the activated fire detector 14 was installed, a fire guidance information display unit 3630 that provides guidance on what to do when a fire is detected by the fire detector 14, and a gas leak information display unit 3640 that shows information about gas leaks.

[0119] Furthermore, in the display screen showing the alarm in Figure 5, it is possible to transition to the alarm display in Figure 6 by, for example, operating the back button 3040 on the header display unit 30. The display screen shown in Figure 6 is divided into a header display unit 30, an event display unit 32, and a guidance display unit 34, similar to the alarm display resulting from the first alarm operation shown in Figure 4.

[0120] In Figure 6, since a fire has been detected by the fire detector 14 with address "001" as shown in Figure 3, the display control unit 1016 displays event information related to the fire detection by the fire detector 14 on the event information display unit 3210 of the event display unit 32. This information includes, for example, "AA / BB dd:ee:ff" indicating the date and time of occurrence, "fire detector" indicating the terminal type, "fire" indicating that a fire has been detected by the fire detector 14, "01-001" indicating the system and address of the fire detector 14, and "1st floor room A" indicating the installation location of the fire detector 14.

[0121] Furthermore, the display control unit 1016 displays guidance on the guidance information display unit 3410 when a fire is detected by the fire detector 14, and also displays terminal information related to the fire detector 14 on the operation terminal information display unit 3420 of the guidance display unit 34, based on terminal information managed by the terminal information management unit 1012. This information includes, for example, "AA / BB dd:ee:ff" indicating the date and time of operation, "fire detector" indicating the terminal type, "fire" indicating that a fire has been detected by the fire detector 14, "01-001" indicating the system and address of the fire detector 14, and "1st floor room A" indicating the installation location of the fire detector 14. In Figure 6, in addition to terminal information related to the fire detector 14, terminal information related to the gas leak detector 15 is displayed on the operation terminal information display unit 3420. However, in this case, it is assumed that no gas leak has been detected by the gas leak detector 15, and the item for the gas leak detector 15 on the operation terminal information display unit 3420 displays "No gas leak has occurred." In this example, the terminal information displayed on the terminal information display unit 3420 of the guidance display unit 34 and the event information displayed on the event information display unit 3210 of the event information display unit 32 are in the same format, but they may be in different formats.

[0122] Furthermore, although Figure 6 shows event information for fire detection by a single fire detector 14 displayed on the event information display unit 3210 of the event display unit 32 for illustrative purposes, in reality, all previously occurring event information will be displayed in a list. For example, when multiple fire detectors 14 detect a fire, the event information display unit 3210 of the event display unit 32 will display a list of event information related to fire detection by multiple fire detectors 14, and the terminal information display unit 3420 of the guidance display unit 34 will display terminal information related to the corresponding multiple fire detectors 14.

[0123] Furthermore, if a fire is detected by the fire detector 14 and a gas leak is detected by the gas leak detector 15, the gas leak information display unit 3640 in Figure 5 will display information indicating that a gas leak has occurred, terminal information related to the activated gas leak detector 15, and the location of the gas leak. Additionally, event information related to the gas leak detection will be added to the event information display unit 3210 in Figure 6, and terminal information related to the gas leak detector 15 will be displayed in the operating terminal information display unit 3420, similar to the fire detector 14.

[0124] (f3. Alarm display when the first and second alarms activate simultaneously) Next, we will explain the alarm display when the first and second alarm actions occur simultaneously. In this explanation, please refer to Figure 7, which shows an example of the alarm display when the first and second alarm actions occur simultaneously, and Figure 8, which shows an example of the alarm display when the display in Figure 7 is narrowed down to show only the event information related to the ultra-high sensitivity smoke sensor.

[0125] Up to this point, the explanation has described alarm displays in either the case where an abnormality is detected by the ultra-high sensitivity smoke sensor 22 or when a fire is detected by the fire detector 14. However, there are also cases where an abnormality is detected by the ultra-high sensitivity smoke sensor 22 and a fire is detected by the fire detector 14. In such situations, the display control unit 1016 needs to display both the alarm for the first alarm operation and the alarm for the second alarm operation.

[0126] Here, if a fire is detected by the fire detector 14 of the fire alarm system that monitors fires as required by law, or if a gas leak is detected by the gas leak detector 15, it is necessary to maintain the alarm display by the second alarm operation, including the location of the incident, or the gas leak display, until the restoration is complete. Even when the alarm display by the first alarm operation and the alarm display by the second alarm operation are performed together, it is necessary to comply with the requirements of the law. For this reason, as the alarm display when the first alarm operation and the second alarm operation overlap, the display control unit 1016, as shown in Figure 7, prioritizes a display in the guidance display unit 34 that is the same as the alarm display by the second alarm operation shown in Figure 6, and maintains that display to ensure that the display complies with the requirements of the law.

[0127] On the other hand, the event information display unit 3210 of the event display unit 32 displays all event information in a list, regardless of whether it concerns the fire detector 14 or the ultra-high sensitivity smoke sensor 22. This allows both event information related to the ultra-high sensitivity smoke sensor 22 and event information related to the fire detector 14 to be viewed simultaneously.

[0128] Furthermore, while the event information display unit 3210 displays a list of all event information that has occurred, the display event selection unit 3220 makes it possible to narrow down the event information displayed on the event information display unit 3210.

[0129] The display event selection unit 3220 has multiple items corresponding to the event information displayed on the event information display unit 3210, and is divided into items such as "transmitter," "fire," "gas leak," "smoke control," "fault," "ultra-high alarm," "ultra-high fault," and "ultra-high movement stop." By selecting from these items, the event information to be displayed on the event information display unit 3210 can be narrowed down to the desired event information. "Transmitter" corresponds to event information related to transmitter 16, "Fire" corresponds to event information related to fire detector 14, "Gas Leak" corresponds to event information related to gas leak detector 15, "Smoke Control" corresponds to event information related to smoke control equipment 20, "Fault" corresponds to event information related to faults in terminal equipment other than the ultra-high sensitivity smoke sensor 22 and the fire receiver 10, "Ultra-High Alarm" corresponds to event information related to smoke detection by the ultra-high sensitivity smoke sensor 22, divided into three stages: caution, alert and alarm, "Ultra-High Fault" corresponds to event information related to faults in the ultra-high sensitivity smoke sensor 22, and "Ultra-High Transfer Stop" corresponds to event information related to the transfer stop of the ultra-high sensitivity smoke sensor 22. The "Ultra-High Alarm" item may also be divided into three items: "Ultra-High Caution," "Ultra-High Alert," and "Ultra-High Alarm."

[0130] For example, if you want to narrow down the event information displayed on the event information display unit 3210 to only event information related to the ultra-high sensitivity smoke sensor 22, you would select one of the "ultra-high alarm," "ultra-high obstruction," or "ultra-high movement stop" items corresponding to the ultra-high sensitivity smoke sensor 22 in the display event selection unit 3220. By selecting one of these items, you deselect all other items and select all three items, so that the event information display unit 3210 displays only the event information related to the ultra-high sensitivity smoke sensor 22, as shown in Figure 8. Even if you narrow down the event information display unit 3210 to display only event information related to the ultra-high sensitivity smoke sensor 22 in this way, the guidance display unit 34 maintains the display of information related to the fire detector 14 and the gas leak detector 15, so that even if you change the event information displayed on the event information display unit 3210 to arbitrary event information, the display will maintain compliance with legal requirements.

[0131] Furthermore, if a fire is detected by the fire detector 14 while the alarm display for the first alarm operation is being shown on the display unit 1030, the guidance display unit 34 will switch from the alarm display for the first alarm operation to the alarm display for the second alarm operation. If an abnormality is detected by the ultra-high sensitivity smoke sensor 22 while the alarm display for the second alarm operation is being shown on the display unit 1030, the guidance display unit 34 will maintain the alarm display for the second alarm operation.

[0132] [g. Variations of the present invention] Modifications of the disaster prevention equipment according to the present invention will now be described. In addition to the embodiments described above, the disaster prevention equipment of the present invention includes the following modifications.

[0133] (Disaster prevention equipment) In the above embodiment, a disaster prevention system combining a conventional fire alarm system and a conventional ultra-high sensitivity smoke monitoring system was used as an example, but the disaster prevention system that is the subject of the invention is not limited to this. For example, in a disaster prevention system that uses a multi-output terminal device having multiple output units, such as an ultra-high sensitivity smoke sensor, a configuration can be adopted in which the multi-output terminal device is connected to a higher-level device via multiple relays. Furthermore, in a disaster prevention system that displays event information for multiple events that have occurred on a display unit, a display mode can be adopted in which an event display system is provided that displays an event information for any event (an event display unit in the embodiment) and an event information display unit that prioritizes displaying event information for a specific event (a guidance display unit in the embodiment). In the embodiment, the first information display unit was used as the event display unit and the second information display unit as the guidance display unit, but the invention is not limited to this.

[0134] (Repeater connected to an ultra-high-sensitivity smoke sensor) In the above embodiment, the output units of the ultra-high sensitivity smoke sensor, which has five output units, were divided into a 1:4 ratio and connected to two repeaters, but this is not limited to this configuration. For example, the five output units could be divided into a 2:3 ratio and connected to two repeaters, and the number of output units of the ultra-high sensitivity smoke sensor and input units of the repeaters is not limited to the number in the above embodiment. Also, although the address information of the repeaters to which the ultra-high sensitivity smoke sensor is connected was set to be sequential, it is not necessarily required to be sequential if the fire alarm receiver can manage the correspondence between repeaters to which the same ultra-high sensitivity smoke sensor is connected.

[0135] (Output section of the ultra-high sensitivity smoke sensor) In the above embodiment, the ultra-high sensitivity smoke sensor had five output units: a warning output unit, a security output unit, an alarm output unit, a fault output unit, and a transmission stop output unit. However, it is not limited to this. For example, it may be an ultra-high sensitivity smoke sensor that does not have a transmission stop output unit and has four output units: a warning output unit, a security output unit, an alarm output unit, and a fault output unit.

[0136] (Transmission line to which an ultra-high-sensitivity smoke sensor is connected) In the above embodiment, the ultra-high sensitivity smoke sensor was connected to the same transmission line as other terminal devices such as fire detectors, but it may be connected to a different transmission line from the one to which the other terminal devices are connected. Furthermore, the monitoring area monitored by the fire detector connected to the same transmission line and the monitoring area monitored by the ultra-high sensitivity smoke sensor do not necessarily have to be the same; the monitoring area monitored by the fire detector and the monitoring area monitored by the ultra-high sensitivity smoke sensor may be set individually.

[0137] (Event display) In the above embodiment, the example of displaying an alarm as an event display was described, but the event display is not limited to this. For example, when an event occurs, such as when a transmitter is operated, when a gas leak detector is activated (when a gas leak is detected), when a malfunction is detected in a fire alarm receiver or terminal equipment, or when a transmission stop is output from a super-high sensitivity smoke sensor, event information related to the event that occurred is displayed in the same way as the display screens shown in Figures 4, 6, and 7. In addition, in the display event selection unit, selecting any of the items "super high alarm," "super high malfunction," or "super high transmission stop" deselects all items other than these three, and all three items are selected, and all event information related to the super-high sensitivity smoke sensor is selected. However, when any of the items corresponding to event information related to conventional fire alarm systems, such as "transmitter," "fire," "gas leak," "smoke control," or "malfunction," is selected, all items other than these five are deselected, and all five items are selected, and all event information related to the fire alarm system is selected. Furthermore, the items displayed in the display event selection unit are not limited to the items shown in the above embodiment, but may be any items.

[0138] Furthermore, some of the items displayed in the display event selection section may not be displayed at all times, but rather remain hidden until a corresponding predetermined event occurs, and then be displayed and selectable when that event occurs. Taking the above embodiment as an example, three items related to the ultra-high sensitivity smoke sensor, such as "ultra-high alarm," "ultra-high fault," and "ultra-high movement stop," may be used as items that are not displayed at all times. These items are displayed in the display event selection section and become selectable when the fire alarm receiver detects smoke above a predetermined concentration by the ultra-high sensitivity smoke sensor, a fault in the ultra-high sensitivity smoke sensor, or a stop in the movement of the ultra-high sensitivity smoke sensor. Of course, the items that are not displayed at all times in the display event selection section are not limited to the "ultra-high alarm," "ultra-high fault," and "ultra-high movement stop" mentioned as examples, but may be any items.

[0139] (others) Furthermore, the present invention includes appropriate modifications that do not impair its purpose and advantages, and is not limited by the numerical values ​​shown in the above embodiments. [Explanation of symbols]

[0140] 10: Fire alarm receiver 1010: Main CPU 1012: Terminal Information Management Department 1014: Monitoring and Control Unit 1016: Display Control Unit 1020, 1020-1, 1020-2: Sub-CPU section 1022, 1022-1, 1022-2: Sub-CPU 1024, 1024-1, 1024-2: Transmission section 1026: Serial transfer bus 1030: Display section 1040: Indicator light section 1050:Operation unit 1060: Sound department 1070:Transfer Department 1080: Storage section 1090: Power supply section 12,12-1,12-2: Transmission line 13: Power line 14: Fire detector 15: Gas leak detector 16: Transmitter 18,18-1,18-2: Repeater 1811-1~1814-1, 1811-2~1814-2: Input section 1820: Output section 20: Smoke prevention equipment 22: Ultra-high sensitivity smoke sensor 2210: Sensor Control Unit 2220: Smoke detection unit 2230: Suction part 2232: Sampling tube 2240: Fault detection unit 2250:Operation unit 2260:Display section 2270: Transmission section 2271: Warning output section 2272: Warning output unit 2273: Alarm output unit 2274: Fault output section 2275: Transfer Stop Output Unit 2280: Power supply section 30: Header display section 3010: Mode display section 3020: Print button 3030: Mode button 3040: Back button 3050: Date and time display section 32: Event display section 3210: Event Information Display Section 3220: Display Event Selection Section 34,36: Guidance display section 3410: Fire Guidance Information Display Unit 3420: Operating terminal information display unit 3610: Fire Occurrence Indicator 3620: Fire location indicator 3630: Fire Guidance Information Display Unit 3640: Gas leak information display unit

Claims

1. A disaster prevention system that connects terminal devices to a higher-level device to monitor for abnormalities, When a predetermined event, including the detection of the abnormality, occurs, the above-level device causes the display unit to display an event corresponding to the event that occurred. The display screen of the display unit that displays the aforementioned events shows: A first information display unit capable of displaying event information for any event among the events that have occurred, A second information display unit prioritizes displaying event information related to a specific event among the events that have occurred, Disaster prevention equipment characterized by the provision of [a specific feature].

2. The disaster prevention equipment according to claim 1, The terminal equipment includes a first terminal device and a second terminal device for detecting the abnormality. The disaster prevention equipment is characterized in that the second information display unit prioritizes displaying event information related to the detection of anomalies by the first terminal device.

3. The disaster prevention equipment according to claim 2, The disaster prevention equipment is characterized in that the second information display unit displays event information regarding the detection of an abnormality by the second terminal device when the abnormality is not detected by the first terminal device but is detected by the second terminal device.

4. The disaster prevention equipment described in claim 3, The disaster prevention equipment is characterized in that, if the second information display unit is displaying event information related to the detection of an anomaly by the second terminal device and the anomaly is detected by the first terminal device while the second information display unit is displaying event information related to the detection of an anomaly by the second terminal device, the display switches from displaying event information related to the detection of an anomaly by the second terminal device to displaying event information related to the detection of an anomaly by the first terminal device.

5. The disaster prevention equipment according to claim 2, The disaster prevention equipment is characterized in that, if the second information display unit is displaying event information related to the detection of an anomaly by the first terminal device when the second terminal device detects the anomaly, the second information display unit maintains the display of event information related to the detection of an anomaly by the first terminal device.

6. The disaster prevention equipment according to claim 2, The first information display unit is an event display unit that displays event information relating to an event in a predetermined manner, and allows the display to be filtered to show only event information relating to an arbitrary event through a predetermined operation. The disaster prevention equipment is characterized in that the second information display unit is a guidance display unit that displays instructions on how to deal with detected abnormalities.

7. The disaster prevention equipment according to claim 6, The event display unit includes: An event information display unit that displays event information related to an event that has occurred in a predetermined manner, A display event selection unit for selecting event information to be displayed on the event information display unit, A system was established, A disaster prevention system characterized in that, when a predetermined event information is selected in the event display selection unit, all event information corresponding to the selected event information is selected, and the event information displayed in the event information display unit is narrowed down to the event information corresponding to the selected event information.

8. The disaster prevention equipment according to claim 7, A disaster prevention system characterized in that some of the event information that can be selected by the display event selection unit is displayed on the display event selection unit and becomes selectable when a corresponding predetermined event occurs.

9. The disaster prevention equipment according to claim 6, The guidance display unit includes: A guidance information display unit that displays instructions on how to deal with the aforementioned abnormality, An operating terminal information display unit that displays terminal information relating to the first terminal device or the second terminal device that was operated in order to detect the aforementioned abnormality, Disaster prevention equipment characterized by the provision of [a specific feature].

10. The disaster prevention equipment according to claim 2, The aforementioned fire prevention equipment is a system that combines a fire alarm system that monitors fires as stipulated by law and an ultra-high-sensitivity smoke monitoring system that monitors abnormalities in the room that are not stipulated by law. The first terminal device is a fire detector of the fire alarm system, The disaster prevention equipment is characterized in that the second terminal device is an ultra-high sensitivity smoke sensor of the ultra-high sensitivity smoke monitoring equipment.

11. A disaster prevention system that monitors abnormalities by connecting multiple terminal devices to a higher-level device via transmission lines, The aforementioned multiple terminal devices are Fire detectors for fire alarm systems that monitor fires as required by law, An ultra-high sensitivity smoke sensor for an ultra-high sensitivity smoke monitoring system that monitors indoor abnormalities not specified by law, Includes, The aforementioned higher-level device is When the aforementioned fire detector detects a fire, it continuously displays information regarding the detection of the fire on the display unit until the fire is extinguished. When the ultra-high-sensitivity smoke sensor detects smoke at a predetermined concentration or higher, the display unit displays information regarding the detection of the smoke. A fire prevention system characterized by simultaneously displaying information regarding the detection of a fire and information regarding the detection of smoke on the display unit in a way that allows for visual confirmation.

12. The disaster prevention equipment according to claim 11, A predetermined number of fire detectors and ultra-high sensitivity smoke sensors are directly or indirectly connected to the same transmission line drawn from the aforementioned higher-level device. A fire prevention system characterized in that at least a portion of the monitoring area monitored by the fire detectors connected to the same transmission line and the monitoring area monitored by the ultra-high sensitivity smoke sensor are common.

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