JP2013186554A - Rescue activity support system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rescue activity support system by which, even when a person in a facility such as a building does not carry a special device, a prescribed notification destination can be notified of information indicating a position of a person who has failed to escape in the event that a fire has occurred in the facility.SOLUTION: A rescue activity support system (100) comprises: a fire sensor (200) for sensing the occurrence of a fire in a facility which is monitored; a plurality of camera devices (200) installed in the facility; determination means (312) which determines whether there is a person in an area photographed by each of the camera devices on the basis of image signal indicating images acquired by each of the camera devices when the occurrence of a fire is sensed by the fire sensor; and notification means (350) which notifies a prescribed notification destination of information indicating a determination result by the determination means along with camera position information indicating the position of each of the camera devices.

Description

  The present invention relates to a rescue activity support system.

  Patent Document 1 discloses a system for safely evacuating a person left in a building when a disaster occurs and efficiently assisting the rescue operation. The system disclosed in Patent Document 1 includes an information management device installed in a building, an evacuee terminal possessed by a refugee in the building, and a rescuer member terminal possessed by a rescuer, and an information management device When the occurrence of a disaster in a building is detected, the location of the evacuees and rescue workers in the building is determined based on the state of wireless communication with the evacuee terminals and rescue crew terminals, and based on the judgment results and the disaster occurrence status Information including the calculated evacuation route is transmitted to the refugee terminal and displayed to the refugee, and information regarding the location of the refugee is transmitted to the rescuer terminal and displayed to the rescuer.

  Patent Document 2 describes an automatic occupancy determination device that detects a person's occupancy by detecting the movement of a person's image captured by a surveillance camera arranged to image the room.

JP 2004-118387 A JP 2002-99974 A

  In the system described in Patent Document 1, detection of the position of a person in a building at the time of a fire is performed by a wireless communication state between a terminal owned by the person and an information management device installed in the building. A person in the building does not always have a terminal capable of wireless communication with the information management device installed in the building. In the system described in Patent Document 1, if a person in a building does not have such a terminal when a fire occurs, the position of the person cannot be detected, which may lead to a delay in rescue activities. There is sex. Further, Patent Document 2 does not describe that the result of occupancy determination is notified to a predetermined reporting destination such as a fire department when a fire occurs.

  The object of the present invention is to indicate the position of a person who is late to escape when a fire occurs in the facility even if the person in the facility such as a building does not have a special device such as a terminal capable of wireless communication. It is to provide a rescue activity support system capable of notifying information to a predetermined report destination.

  In order to solve the above-described problem, a rescue operation support system according to claim 1 of the present application includes a fire detector that detects the occurrence of a fire in a monitored facility, and a plurality of camera devices installed in the facility; A determination means for determining whether there is a person in an area photographed by each camera device based on a video signal representing an image acquired by each camera device when the occurrence of a fire is detected by the fire sensor; And a notification means for notifying information indicating the determination result by the means to a predetermined report destination together with the camera position information indicating the position of each camera device.

  The rescue operation support system according to claim 2 of the present application is the aspect according to claim 1, wherein the determination unit is configured to save the person based on the movement of the person extracted from the video acquired by the camera device. The urgent level is determined, and the notification unit notifies the report destination of information indicating the urgent level determined by the determination unit together with the camera position information.

  The rescue operation support system according to claim 3 of the present application is the aspect according to claim 2, wherein the determination unit is predetermined after the movement of the person extracted from the video acquired by the camera device stops. When the time has elapsed, it is determined that the person cannot move, and it is determined that the degree of urgency is higher than when the person is moving.

  The rescue operation support system according to claim 4 of the present application is the aspect according to any one of claims 1 to 3, wherein the camera device performs the determination when a fire occurrence is detected by the fire detector. Image quality control means for controlling the image quality of the image so that the image quality of the image supplied to the means is higher than before the occurrence of a fire is detected by the fire detector.

  The rescue activity support system according to claim 5 of the present application further includes a rescue support device provided at the predetermined report destination in the aspect according to any one of claims 1 to 4, and the rescue The support device includes: a receiving unit that receives information indicating a determination result by the determining unit and camera position information indicating a position of each camera device from the notification unit; and a rescue that performs a rescue operation in the monitored facility where a fire is detected A rescue unit identified by the identifying unit, the identifying unit identifying the rescuer terminal possessed by the person, the information indicating the determination result by the determining unit received by the receiving unit, and the camera position information indicating the position of each camera device Transmission means for transmitting to the user terminal.

  The rescue operation support system according to claim 6 of the present application is the aspect according to claim 5, wherein the rescue support apparatus acquires information indicating a position of a rescuer terminal possessed by the rescuer. And the position of the rescuer terminal among the plurality of camera devices based on the camera position information and the information indicating the position of the rescuer terminal acquired by the terminal position information acquisition unit. Extraction means for extracting a camera device located within a range, and the transmission means outputs a determination result of whether there is a person in the area photographed by the camera device extracted by the extraction means of the extracted camera device. It transmits to the rescuer terminal together with the camera position information indicating the position.

According to the configuration according to claim 1, even if a person in a facility such as a building does not have a special device such as a terminal capable of wireless communication, a person who is late to escape when a fire occurs in the facility It is possible to notify information indicating the position of a predetermined report destination.
According to the structure which concerns on Claim 2, when a fire breaks out, the information which shows the position of the person with the high emergency degree of rescue can be notified to a predetermined report destination.
According to the structure which concerns on Claim 3, the person who stopped moving can be specified as a person with the high emergency degree of rescue.
According to the structure which concerns on Claim 4, the improvement of the determination accuracy of the avoidance of the privacy infringement at the time of normality and the presence of the person who escaped at the time of fire outbreak can be made compatible.
According to the configuration according to claim 5, even if a person in a facility such as a building does not have a special device such as a terminal capable of wireless communication, a person who is late to escape when a fire occurs in the facility Can be sent to a rescuer terminal possessed by a rescuer who performs a rescue operation in the facility.
According to the structure which concerns on Claim 6, possibility that unnecessary information will be displayed on a rescuer terminal is reduced.

The system figure which shows the structure of the fire reporting system which concerns on embodiment of this invention. System diagram showing the configuration of fire alarm equipment Block diagram showing configuration of fire detector with camera Block diagram showing the configuration of the fire receiver Block diagram showing the configuration of the rescuer terminal Block diagram showing the configuration of the rescue support device Flow chart showing an example of occupancy determination processing Block diagram showing functions of control unit of fire receiver and control unit of rescue support device for rescue support operation Schematic diagram showing an example of a terminal management table Schematic diagram showing an example of rescuer support information displayed on the display unit of the rescuer terminal The flowchart which shows operation | movement of the occupancy determination part which concerns on the modification 2.

[Embodiment]
(Constitution)
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a system diagram showing a configuration of a fire notification system 1 according to an embodiment of the present invention. The fire reporting system 1 includes a fire reporting device 100 installed in a facility to be monitored, a rescuer terminal 400 that is a mobile terminal carried by a rescuer (for example, a fire brigade) who performs a rescue operation in the event of a fire, Including a rescue support device 500 installed in a fire department or the like to be notified at the time of occurrence, and these fire alarm equipment 100, rescuer terminal 400, and rescue support device 500 can communicate with each other via a communication network NW. It has become. Although only one rescuer terminal 400 is illustrated, a plurality of rescuer terminals 400 carried by a plurality of rescuers may be included. The facilities to be monitored where the fire alarm system 100 is installed are nursing homes, group homes (facility where people with illness and disabilities and elderly people live with the assistance of specialized staff), commercial buildings, It may be an arbitrary facility such as a factory or a general household. Here, a description will be given assuming that the facility to be monitored is a group home. The communication network NW may include any known communication network such as a mobile communication network, a fixed telephone communication network, and the Internet. The fire reporting system 1 corresponds to an example of a rescue activity support system of the present invention.

  FIG. 2 is a system diagram showing the configuration of the fire alarm facility 100. As shown in FIG. 2, the fire alarm system 100 includes a plurality of camera-equipped fire detectors 200, and a fire receiver 300 connected to these fire detectors 200 via signal lines 150.

  The fire detector with camera 200 has a function as a fire detector that detects a physical quantity related to a fire such as smoke concentration and heat (temperature) in an installed area (warning area) and outputs it as data. The camera-equipped fire detector 200 has a function as a camera that captures a predetermined range of an installed area and outputs a video signal representing the captured video. In this example, the camera-equipped fire detector 200 is installed in each room of the group home and is also used for occupancy monitoring.

  FIG. 3 is a block diagram showing a configuration of the fire detector with camera 200. The fire detector with camera 200 includes a control unit 210, a fire detection unit 220, an address setting unit 230, a communication unit 240, a camera 250, and a rotation unit 260. These units are communicably connected via a bus 270. Has been. The fire detector with camera 200 is an example of a fire detector and a camera device according to the present invention.

  The control unit 210 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory), and the CPU reads a program stored in the ROM into the RAM and executes the program. Each part of the fire detector 200 is controlled to realize various functions of the camera-equipped fire detector 200. The fire detection unit 220 outputs information (referred to as a “detection signal”) based on a physical quantity related to a fire such as heat. The fire detection unit 220 may be, for example, a heat sensor that detects heat (temperature), a smoke sensor that detects smoke, or a flame sensor that detects flame, or a combination of two or more functions of these sensors. It may be a type sensor. These sensors may be of a type that outputs a signal that changes according to a detected physical quantity (for example, temperature) as a sensing signal (referred to as a variable output type), and if the detected physical quantity satisfies a predetermined condition (for example, When the detected temperature exceeds a predetermined temperature), a type (referred to as “reporting”) that outputs a predetermined signal indicating the occurrence of a fire (referred to as an on-off type) may be used.

  The address setting unit 230 sets an address of the fire detector with camera 200, and an individual address AD is set for each fire detector with camera 200. The communication unit 240 transmits and receives various signals to and from the fire receiver 300 via the signal line 150. The camera 250 is, for example, a digital video camera, and photographs a warning area where the fire detector with camera 200 is provided. The video captured by the camera 250 is output as a video signal and transmitted to the fire receiver 300 via the signal line 150 by the communication unit 240. The rotating unit 260 supports the camera 250 and rotates according to a control command from the fire receiver 300 to change the shooting direction of the camera 250. Note that the transmission of the video signal from the camera 250 and the fire detection unit 210 does not hinder the transmission of information (sensing signal) representing the physical quantity related to the fire from the fire detection unit 210. May be transmitted to the fire receiver 300 via different signal lines.

  The fire receiver 300 determines the occurrence of a fire based on the detection signal from the camera-equipped fire detector 200, and performs processing according to the determination result. Further, the presence of a person in each room is determined based on the video signal from the camera-equipped fire detector 200 installed in each room. Each room where the fire detector with camera 200 is installed is an example of an area monitored by the camera device.

  FIG. 4 is a block diagram illustrating a configuration of the fire receiver 300. As shown in FIG. 4, the fire receiver 300 includes a control unit 310, a storage unit 320, a display unit 330, an operation unit 340, a first communication unit 350, and a second communication unit 360, each of which is a bus 370. It is connected so that it can communicate via.

  The control unit 310 includes a CPU, a ROM, and a RAM. The CPU reads each program stored in the ROM or the storage unit 320 and executes the program, thereby controlling each unit of the fire receiver 300. 300 various functions are realized.

  The storage unit 320 is a large-capacity storage unit such as a hard disk or a flash memory, and stores various programs and data. The data stored in the storage unit 320 includes a sensor type ID, a pre-level SP, a fire discrimination level SF, and a warning area identification associated with an address AD individually assigned to each fire detector 200 with camera. Information, plan view data showing the arrangement of the room of the facility to be monitored (including camera position information associated with the address AD individually assigned to each fire detector with camera 200. The plan view data Also called floor map data). Here, the pre-level SP and the fire discrimination level SF are detected by the fire receiver 300 from the camera-equipped fire sensor 200 when the camera-equipped fire sensor 200 has a variable output type sensor. This is a threshold value to be compared with the signal, and may vary depending on the sensor type, installation location, and the like. The pre-level SP is a threshold value for detecting a fire at a forecast level, and the fire determination level SF is a threshold value for detecting the occurrence of a fire at a fire alarm level. Fire detection at the fire alarm level is more reliable than fire detection at the forecast level. For example, when the pre-level SP and the fire discrimination level SF are set so that the pre-level SP <fire discrimination level SF, and the detection signal from the camera-equipped fire detector 200 exceeds the pre-level SP, the fire receiver 300 If it is determined that a fire at the forecast level has been detected (or a fire is suspected) and the fire determination level SF is exceeded, it may be determined that a fire at the fire alarm level has been detected. When it is determined that a fire at the forecast level has been detected, the fire receiver 300 displays that fact on the display unit 330 so that the facility manager can confirm it. When the fire receiver 300 determines that a fire at the fire alarm level has been detected, in addition to the display on the display unit 330, the fire receiver 300 reports to the rescue support device 500 and an alarm bell (not shown) installed in the facility. ) Or the like (determination that the fire alarm 300 detects a fire at the fire alarm level and / or processing associated therewith may be referred to as “reporting”). When the camera-equipped fire detector 200 is an on / off type, the pre-level SP and the fire determination level SF need not be set for the address AD of the camera-equipped fire detector 200. When receiving a signal indicating that the fire detector 200 has issued from the on-off type fire detector 200, the fire receiver 300 determines that a fire of the fire alarm level has occurred.

  Further, the storage unit 320 stores time-series data of signals representing the state of each fire detector with camera 200 and a video signal from the camera 250 of each fire detector with camera 200. These data may be stored so as to be stored for a predetermined period such as 3 days, and updated so that the latest data is always stored. In addition, without erasing past data, it is stored in a medium such as an optical recording medium or transferred to an external server device (not shown) connected to the communication network NW at predetermined intervals. May be stored.

  The display unit 330 is a liquid crystal display, for example, and displays various information based on an instruction from the control unit 310. For example, in a normal state where no fire has occurred, the display unit 330 displays character information indicating the normal state, such as “being normally monitored”. When a fire occurs, the display unit 330 displays the address AD of the camera-equipped fire detector 200 that has detected a fire (for example, the alarm is issued) and fire information indicating a warning area where the camera-equipped fire detector 200 is installed ( (Character information) is displayed, and an image taken by the camera 250 of the camera-equipped fire detector 200 that detects a fire is displayed superimposed on the character information.

  The operation unit 340 includes various input switches such as a camera-on switch OS, a numeric keypad TK, and a direction key HK, and sends an operation signal according to the content of an operation by the administrator of the fire alarm facility 100 to the control unit 310. By turning on the camera on switch OS, the control unit 310 validates the input using the numeric keypad TK and the direction key HK. When the camera on switch OS is turned on and the address AD of the camera-equipped fire detector 200 is input with the numeric keypad TK, the video of the camera 250 of the camera-equipped fire sensor 200 designated by the address AD is displayed on the display unit 330. The Then, by operating the direction key HK, the camera 250 is rotated via the rotation unit 260, and the shooting direction of the warning area shot by the camera 250 is changed.

  The first communication unit 350 is an interface for exchanging data with the rescue support apparatus 500 via the communication network NW outside the fire alarm system 100, and the second communication unit 360 is configured to fire via the signal line 150. This is an interface for exchanging data with the sensor 200. The first communication unit 350 is an example of a notification unit according to the present invention.

  FIG. 5 is a block diagram showing a configuration of a rescuer terminal 400 carried by a rescuer engaged in fire fighting and rescue activities when a fire occurs. As shown in FIG. 5, the rescuer terminal 400 includes a control unit 410, a storage unit 420, a display unit 430, an operation unit 440, a communication unit 450, a microphone (hereinafter referred to as a microphone) 460, a speaker 470, and a GPS (Global Positioning System) sensor 480, and these components are communicably connected via a bus 490.

  The control unit 410 includes a CPU, a ROM, and a RAM. The CPU reads out and executes a program stored in the ROM or the storage unit 420 to the RAM, thereby controlling each unit of the rescuer terminal 400 and a rescuer terminal. 400 various functions are realized. The storage unit 420 is a large-capacity storage unit such as a hard disk or a flash memory, and stores various programs and data. The display unit 430 is a liquid crystal display, for example, and displays various information based on instructions from the control unit 410. When a fire occurs, as will be described in detail later, based on information from the rescue support apparatus 500, the position of the camera-equipped fire detector 200 that detects a person who has escaped is displayed.

  The operation unit 440 sends an operation signal corresponding to the content of the operation by the user (for example, fire brigade) of the rescuer terminal 400 to the control unit 410. In this example, the operation unit 440 includes a touch pad (position detection sensor) 441 that is arranged on the display surface of the display unit 430 and forms a touch panel together with the display unit 430. The touch pad 441 detects the position of the screen of the display unit 430 touched by the user, and is of any known method such as a capacitance method, a resistance film method, an infrared method, or an ultrasonic method. Good. The communication unit 450 is an interface for communicating with the rescue support apparatus 500 via the communication network NW. The communication unit 450 transmits / receives information to / from the rescue support apparatus 500 through, for example, a telephone line (mobile telephone line and fixed telephone line) or the Internet under the control of the control unit 410.

  The microphone 460 collects the user's voice and converts it into a voice signal when the user makes a call using the rescuer terminal 400. The speaker 470 converts the voice signal of the other party into sound and outputs it when the user makes a call using the rescuer terminal 400.

  The GPS sensor 480 indicates the position of the rescuer terminal 400 based on a GPS signal from a GPS satellite (not shown) at a predetermined timing (for example, every 5 minutes) or in response to an instruction from the control unit 410. Get information (longitude and latitude). The control unit 410 transmits information indicating the position of the rescuer terminal 400 acquired by the GPS sensor 480 to the rescue support apparatus 500 via the communication unit 450.

  FIG. 6 is a block diagram illustrating a configuration of the rescue support apparatus 500. As shown in FIG. 6, the rescue support apparatus 500 includes a control unit 510, a storage unit 520, a display unit 530, an operation unit 540, and a communication unit 550, which are communicably connected via a bus 560. ing.

  The control unit 510 includes a CPU, a ROM, and a RAM. The CPU reads out the program stored in the ROM and the storage unit 520 to the RAM and executes the program, thereby controlling each unit of the rescue support device 500 and the rescue support device. 500 various functions are realized. The storage unit 520 is a large-capacity storage unit such as a hard disk or a flash memory, and stores various programs and data. The display unit 530 is a liquid crystal display, for example, and displays various information based on instructions from the control unit 510. The operation unit 540 sends an operation signal corresponding to the content of the operation by the user of the rescue support apparatus 500 (for example, a fire department monitor) to the control unit 510. The communication unit 550 is an interface for communicating with the fire receiver 300 of the fire alarm system 100 and the rescuer terminal 400 possessed by a fire brigade member who performs a rescue operation via the communication network NW. The communication unit 550 transmits / receives information to / from the fire alarm system 100 and the rescuer terminal 400 via, for example, a telephone line (mobile telephone line and fixed telephone line) or the Internet under the control of the control unit 510.

(Operation)
Next, the operation of the fire reporting system 1 configured as described above will be described. During normal monitoring, the fire receiver 300 performs occupancy determination based on the video signal from the camera 250 of the camera-equipped fire detector 200 installed in each room.

  FIG. 7 is a flowchart illustrating an example of the presence determination process performed by the fire receiver 300. This process is performed when the control unit 310 of the fire receiver 300 executes a program stored in the storage unit 320. Further, this processing is performed based on a video signal transmitted from the camera-equipped fire detector 200 installed in each room where occupancy monitoring is performed.

As shown in FIG. 7, in step S1, the control unit 310 determines the presence or absence of a moving object based on the video signal transmitted from the fire detector with camera 200, and determines that there is a moving object. If yes (with motion), the process proceeds to step S2 and it is determined that a person is in the room. That is, in this example, when there is a moving object, it is determined that this is due to the movement of a person. If it is determined that there is no moving object, the process proceeds to step S5, and after determining that the person is not in the room, the determination in step S1 is repeated. Here, the cycle at the time of repeating the process of step S1 may be set as appropriate. For example, the repetition cycle during normal monitoring is 10 minutes (that is, the presence determination is performed once every 10 minutes). The determination of the presence or absence of a moving object in step S1 may be performed, for example, by comparing continuous still images (frames) included in the video represented by the video signal transmitted from the fire detector with camera 200. . Note that it is not necessary to judge that all moving objects are caused by human movements. For example, it is possible to determine whether or not the moving objects show human movements by taking into account the size of the moving objects. A known technique for improving the accuracy of motion detection may be used. The frame rate (number of still images per second) represented by the video signal transmitted from the camera-equipped fire detector 200 is appropriately determined according to the capacity of the signal line 150, the data size of each still image, and the like. May be set. Also, any known image (moving image or still image) compression technique may be used.
Although not described in detail, in the fire receiver 300, acquisition of the video signal of each camera-equipped fire detector 200 is performed by the same polling operation as acquisition of the detection signal of each camera-equipped fire detector 200 described later. You may be broken. Here, the acquisition of the video signal and the detection signal for each fire detector with camera 200 may be performed simultaneously by the same polling operation, but the polling period for acquiring the video signal is set as an individual polling operation. By setting it longer than the polling cycle for acquiring the sensing signal, it is preferable that there is no delay in the fire determination processing based on the sensing signal.

  After determining that the person is in the room in step S2, the control unit 310 determines that the moving object is based on the video signal transmitted from the camera-equipped fire detector 200 in step S3, as in step S1. Judge whether there is. When it is determined that there is a moving object, the process proceeds to step S2 and it is determined that a person is in the room. When it is determined that there is no moving object, the process proceeds to step S4, and it is determined whether or not a person who is in the room has left the room. For example, the determination of whether or not the user has left the room is based on a predetermined number of still images immediately before it is determined that there is a moving object before, and the moving direction of the moving object is obtained. You may perform based on whether this moving direction has shown the direction which leaves a room. Or when the infrared sensor (not shown) which detects the entrance / exit of a person is provided in the entrance / exit of the room, you may perform the said determination based on the output signal of the infrared sensor.

  If it is determined in step S4 that the person who has been in the room has left the room, it is determined in step S5 that there is no person in the room and the process returns to step S1. If it is determined in step S4 that the person in the room has not left the room, it is determined in step S2 that there is a person in the room.

  The presence / absence determination result in each room may be displayed on the display unit 330 of the fire receiver 300, for example, so that the manager of the group home can check it.

  During normal monitoring, the control unit 310 of the fire receiver 300 sends a control signal “address AD / return command” for calling the fire detector with camera 200 to the signal line 150 via the second communication unit 360 in a polling manner. Transmit to. Here, the address AD is an address of the camera-equipped fire detector 200 to which a detection signal should be returned. The camera fire detector 200 corresponding to the address AD responds to this control signal, and sends a return signal “address AD / sense signal” including its own address AD and sense signal to the signal line 150. The fire receiver 300 receives the return signal and determines whether or not a fire has been detected based on the detection signal included in the return signal. This polling operation is sequentially performed on all the camera-equipped fire detection units 200 monitored by the fire receiver 300.

  Here, when the fire detector with camera 200 is a variable output type fire detector, the control unit 310 of the fire receiver 300 indicates that the output signal (sense signal) from the fire detector with camera 200 is the fire detector with camera. When the pre-level SP associated with the vessel 200 is exceeded, it is determined that a forecast level fire has been detected. When the control unit 310 of the fire receiver 300 determines that a fire at the forecast level is detected, the control signal “address AD / video signal transmission command” is sent to the fire detector 200 with a camera that has detected the fire, and the signal line 150 is connected. Transmitted through. Here, the address AD is the address of the fire detector with camera 200 that has detected a fire. In response to this control signal, the fire detector with camera 200 corresponding to the address AD responds, and a return signal “address AD / video” including its own address AD and a video signal representing the video of the warning area taken by the camera 250. Signal "is sent to the signal line 150. The control unit 310 of the fire receiver 300 receives this return signal and causes the display unit 330 to display the video (video information) of the warning area taken by the camera 250 on the fire information. As a result, the manager of the facility in the vicinity of the fire receiver 300 can confirm the site where the fire is detected without rushing to the site, and promptly respond to the situation (for example, reporting to the fire engine). Can be done.

  When the camera-equipped fire sensor 200 is a variable output type fire sensor, the control unit 310 of the fire receiver 300 indicates that the output signal (sense signal) from the camera-equipped fire sensor 200 is the fire sensor with camera. When the fire determination level SF associated with the vessel 200 is exceeded, it is determined that a fire at the fire alarm level is detected. Further, when the fire detector with camera 200 is an on / off type fire detector, the control unit 310 of the fire receiver 300 also receives a signal indicating that the fire detector with camera 200 has triggered a fire alarm. Determines that a level fire has been detected. When it is determined that a fire at the fire alarm level is detected, the control unit 310 of the fire receiver 300 causes the display unit 330 of the fire receiver 300 to perform a fire in the same manner as when it is determined that a fire at the forecast level is detected. The detected image is displayed by the camera 250 of the camera-equipped fire detector 200, and the occurrence of the fire is notified to a predetermined report destination (such as a fire department in the area where the group home is located). At this time, information identifying the facility, such as the name and address of the facility where the fire was detected, may be sent to the report destination. Upon receiving the report, the fire department will take measures such as sending firefighters to the facility where the fire occurred in order to extinguish the fire and rescue the victim.

  In addition, after notifying the occurrence of a fire, the control unit 310 of the fire receiver 300 determines whether or not there is a person in each room based on the video signal from the camera 250 of each fire detector 200 with camera. The result is sent to the rescue support apparatus 500 of the fire engine as rescue support information. The rescue support apparatus 500 transmits the rescue support information received from the fire receiver 300 to the rescuer terminal 400 possessed by a rescuer who is performing a rescue operation or the like in a facility where a fire has occurred.

  FIG. 8 is a block diagram illustrating functions of the control unit 310 of the fire receiver 300 and the control unit 510 of the rescue support apparatus 500 regarding the rescue support operation. As shown in FIG. 8, the control unit 310 of the fire receiver 300 includes a fire determination unit 311 and an occupancy determination unit 312. The functions of the fire determination unit 311 and the occupancy determination unit 312 are realized by the control unit 310 executing a program stored in the storage unit 320. Further, as shown in FIG. 8, the control unit 510 of the rescue support apparatus 500 includes a rescuer terminal management unit 511 and an extraction unit 512. The functions of the rescuer terminal management unit 511 and the extraction unit 512 are realized by the control unit 510 executing a program stored in the storage unit 520.

  As described above, the fire determination unit 311 determines whether or not a fire has occurred based on the detection signal from the camera-equipped fire detector 200, and it is determined that a fire at the fire alarm level is detected by the camera-equipped fire sensor 200. In the case of fire, fire information is transmitted via the first communication unit 350 to notify a predetermined report destination of the occurrence of a fire. The fire information includes the name and address of the facility where the fire occurred.

  When the fire determination unit 311 determines that a fire at the prediction level or the fire alarm level has occurred, the determination result is transmitted to each camera-equipped fire detector 200 via the second communication unit 360. In this example, each camera-equipped fire detector 200 includes an image processing unit 211, and the image processing unit 211 performs processing for switching the image quality of the video output from the camera-equipped fire sensor 200 between a normal time and a fire occurrence. Do. The image processing unit 211 is an example of image quality control means according to the present invention.

  Specifically, during a normal period when there is no fire, the image processing unit 211 processes the video acquired by the camera 250 so that the image quality is low enough not to violate the privacy of the person to be monitored. If the determination result of the determination unit 311 indicates the occurrence of a fire, processing is performed so as to improve the image quality of the video acquired by the camera 250 in order to improve the accuracy of the presence determination by the presence determination unit 312. . The image quality that does not infringe the privacy is, for example, an image quality that can not recognize a person's face shown in the video but can recognize a person's movement when displayed on the display unit 330 of the fire receiver 300. . The process of reducing the image quality for preventing privacy infringement at normal times is performed by, for example, performing mosaic processing or blurring processing on the video acquired by the camera 250 or reducing the resolution (number of pixels) of the video. Good. In the event of a fire, the image quality may be increased by stopping mosaic processing or blurring processing or increasing the resolution of the video. The function of the image processing unit 211 is realized by the control unit 210 executing a program.

  The occupancy determination unit 312 performs the occupancy determination process shown in FIG. 7 based on the video signal from each camera-equipped fire sensor 200, and there is no person in each room where the camera-equipped fire sensor 200 is installed. To determine. When the fire determination unit 311 determines that a fire at the fire alarm level has occurred, the occupancy determination unit 312 is information indicating the result of occupancy determination in each room (that is, determination of whether there is a person who has escaped). Is associated with the identification information (for example, the address AD assigned to the camera-equipped fire detector 200) that identifies each camera-equipped fire sensor 200 stored in the storage unit 320, via the first communication unit 350, It transmits to the rescue support apparatus 500 installed in the predetermined report destination. At this time, the video signal with the high image quality may be transmitted. When a fire is detected, the occupancy determination unit 312 may make the occupancy determination period shorter (for example, 20 seconds) than during normal monitoring.

  In addition, the fire determination unit 311 or the occupancy determination unit 312 sends the plan view data indicating the arrangement of each room of the monitored facility stored in the storage unit 320 to the rescue support device 500 via the first communication unit 350. Send. This plan view data includes camera position information indicating the installation position of each camera-equipped fire detector 200.

  Identification information of each fire detector with camera 200 transmitted from the fire receiver 300 via the first communication unit 350, information indicating the presence determination result in the room in which each fire detector with camera 200 is installed, and monitoring Plan view data (including camera position information) of the target facility is received by the communication unit 550 of the rescue support apparatus 500. In addition, the communication unit 550 receives information indicating the position of the rescuer terminal 400 transmitted from the rescuer terminal 400 possessed by the rescuer who performs the rescue operation in the facility where the fire has occurred. The communication unit 550 is an example of a receiving unit according to the present invention.

  The rescuer terminal management unit 511 updates the terminal management table 521 stored in the storage unit 520 on the basis of the information indicating the position of the rescuer terminal 400 received by the communication unit 550, and the state of the rescuer terminal 400 (currently Location). FIG. 9 is a schematic diagram illustrating an example of the terminal management table 521. In this example, the terminal management table 521 has five fields of “No.”, “user”, “location”, “mail address”, and “facility or address”. In the field “No.”, an identification number assigned to each rescuer terminal 400 is stored. Information indicating the user of each rescuer terminal 400 is stored in the field “user”. In the field “position”, information (for example, latitude and longitude) indicating the position of each rescuer terminal 400 is stored. The field “mail address” stores the email address of each rescuer terminal 400. The field “facility or address” stores information indicating the facility or address where each rescuer terminal 400 is currently located.

  Information of the fields “user” and “mail address” is input by the administrator of the rescuer support apparatus 500 operating the operation unit 540. The information of the field “position” is updated by the rescuer terminal management unit 511 every time position information is sent from the rescuer terminal 400. The information of the field “facility or address” is provided from an information providing device (not shown) having a database recording facility names and / or addresses associated with latitude and longitude and connected to the communication network NW. Good. Specifically, when the information of the field “position” is updated, the rescuer terminal management unit 511 of the rescuer support apparatus 500 provides an information provision request including the updated position information via the communication network NW. Send to device. In response, the information providing apparatus searches the database for the facility name and / or address corresponding to the received position information (latitude and longitude), and returns the facility name and / or address to the rescuer support apparatus 500. The rescuer terminal management unit 511 of the rescuer support apparatus 500 writes the received facility name and / or address in the field “facility or address”. The function of the information providing device (not shown) may be provided inside the rescue support device 500.

  After receiving the fire information from the fire receiver 300 via the communication unit 550, the rescuer terminal management unit 511 refers to the terminal management table 521 and includes information on the field “facility or address” in the fire information. The rescuer terminal 400 corresponding to the information specifying the facility is extracted, and the extracted rescuer terminal 400 is identified as the rescuer terminal 400 possessed by the rescuer who performs the rescue operation in the facility where the fire has occurred. . Further, the rescuer terminal management unit 511 supplies the identified location information of the rescuer terminal 400 to the extraction unit 512.

  The extraction unit 512 is connected to the rescuer terminal management unit 511 via the communication unit 550 based on the position information of each rescuer terminal 400 possessed by the rescuer who performs the rescue operation in the facility where the fire has occurred. From the plan view data of the facility received in this way, partial plan view data indicating the arrangement of the room within a predetermined range from the position of each rescuer terminal 400 is extracted. Further, based on the camera position information included in the plan view data and the position information of each rescuer terminal 400, the fire detector 200 with a camera located in a predetermined range from the position of each rescuer terminal 400 is displayed. In addition to extraction, the presence determination result in the room where the extracted camera-equipped fire detector 200 is installed is extracted. The extraction unit 512 uses the partial plan view data (including camera position information) thus extracted for each rescuer terminal 400 and the occupancy determination result in the room where the camera-equipped fire detector 200 is installed to each rescuer. Transmit to terminal 400. Further, the extraction unit 512 transmits information such as the name of the facility where the fire has occurred included in the fire information received from the fire receiver 300 to each rescuer terminal 400. At this time, the video signal with the high image quality may be transmitted.

  The rescuer terminal 400 displays rescuer support information on the display unit 430 based on the information sent from the rescue support device 500. FIG. 10 is a schematic diagram illustrating an example of rescuer support information displayed on the display unit 430 of the rescuer terminal 400. As shown in FIG. 10, the display unit 430 is divided into three areas: an information display area 431, an image display area 432, and an operation area 433.

  In the uppermost information display area 431, the name of the facility where the fire has occurred included in the fire information is displayed. The fire occurrence time and the current time may be displayed. In the center image display area 432, a plan view showing the layout of surrounding rooms and the like is displayed. Further, a predetermined symbol 434 (black circle in this example) is displayed at the position of the rescuer terminal 400 in the plan view, and a predetermined symbol 435 (for example, white circle) is displayed at the position of each fire detector 200 with camera. . The occupancy determination result in the room where each camera-equipped fire detector 200 is installed is displayed at a position related to the position of each camera-equipped fire sensor 200. In this example, the occupancy determination result is displayed at a position in the section indicating the room in which each camera-equipped fire detector 200 is installed. Here, the occupancy determination result is displayed only when the determination result is occupancy (that is, when there is a person who is late), and when the determination result is absent (that is, when the evacuation has been completed). Is not necessary. In this example, it is determined that there are people in the 101 and 106 rooms, and accordingly, “in-room!” Is displayed in the section indicating the 101 and 106 rooms. The occupancy determination result is not only displayed by characters, but a predetermined symbol indicating that there is a person who has escaped is displayed, or the color of the room in which it is determined that there is a person who has escaped is displayed. This may be done by making it different from the color of the room that is determined not to be late. Thereby, the rescuer who possesses the rescuer terminal 400 can grasp in which room there is a person who is late in his / her surroundings, and can quickly perform a rescue operation. An arrow button 436 for scrolling and enlarging / reducing the plan view displayed in the image display area 432 is displayed in the lowermost operation area 433. When the user performs a touch operation on the arrow button 436, a signal indicating the operation is transmitted from the rescuer terminal 400 to the rescuer support apparatus 500 via the communication network NW. The extraction unit 512 of the rescuer support device 500 changes the partial plan view data to be extracted according to the operation, changes the fire detector with camera 200 to be extracted, and the corresponding room presence determination result, and the rescuer terminal Reply to 400. Note that the rescuer terminal 400 can display an image based on the above-described image signal with high image quality, if necessary. For example, when the rescuer touches the symbol 435 of the fire detector with camera 200, an image captured by the touched fire detector with camera 200 may be displayed in the image display area 432. In that case, when the rescuer touches an arbitrary place in the image display area 432 in a state where the video is displayed, the plan view may be displayed again, or a predetermined position in the image display area 432 may be used. A specific button may be displayed, and when the button is touched, the plan view may be displayed again. Further, a video display area may be provided separately from the image display area 432, and a video taken by the fire detector with camera 200 may be displayed there.

  As described above, in the present embodiment, when a fire occurs, it is determined whether there is a person who is late in the area monitored by the camera-equipped fire detector 200 based on the video signal acquired by the camera-equipped fire sensor 200. Since the determination result is notified to a predetermined reporting destination together with information indicating the position of the fire detector with camera 200, a special person such as a terminal capable of wireless communication by a person in a facility such as a building can be used. Even if the user does not have the device, when a fire occurs in the facility, information indicating the position of the person who has escaped can be notified to a predetermined report destination. In addition, the camera-equipped fire sensor 200 located in a predetermined range is extracted from the rescuer terminal 400 possessed by the rescuer who performs the rescue, and the presence of the extracted camera-equipped fire sensor 200 in the room where the extracted camera-equipped fire sensor 200 is installed. Since the room determination result is extracted and transmitted to the rescuer terminal 400, the possibility that unnecessary information is displayed on the rescuer terminal 400 is reduced.

[Modification]
The present invention is not limited to the above-described embodiment, and various modifications can be made. Hereinafter, some modifications will be described. Two or more of the following modifications may be used in combination.

(Modification 1)
In the above embodiment, the fire detector with camera 200 having both functions is used as the fire detector and the camera device, but the present invention is not limited to this. A fire detector that does not include the camera 250 may be used. Further, a camera device that does not include the fire detection unit 220 may be used. The fire detector and the camera device may be connected to different lines or may be connected to a common line. In the above embodiment, one or a plurality of fire detectors (referred to as contact-type fire detectors) having a switch (contact point) that closes when a fire is detected are used as the on-off type fire detectors. Each contact type fire detection so that the DC potential of the signal line 150 changes between when the switch is open and when it is closed (for example, high level when the switch is open, low level when the switch is closed). A device may be connected to the signal line 150. In the fire receiver 300, for example, when the DC potential of the signal line 150 is lower than a predetermined value, one of the contact-type fire detectors connected to the signal line 150 has detected a fire (that is, issued a report). ). In this case, whether the potential of the signal line 150 is high level or low level (that is, whether or not the contact fire detector is reporting), the polling operation via the signal line 150 is performed. High-level and low-level potentials are set so that various signals (sensing signals and video signals) can be transmitted and received between the fire receiver 300 and the camera-equipped fire detector 200. For example, when signal transmission / reception by a polling operation is performed using a pulse signal having a height of 5V, the low-level potential of the signal line 150 is set to be higher than 5V.

(Modification 2)
In the embodiment described above, based on the video signal from the camera-equipped fire detector 200, it is determined whether there is a person who has escaped in the area monitored by the camera-equipped fire sensor 200, but the present invention is not limited to this. For example, the emergency level of rescue may be determined based on a video signal from the fire detector with camera 200.

  FIG. 11 is a flowchart illustrating the operation of the occupancy determination unit 312 according to the second modification. In FIG. 11, steps for performing the same processing as in FIG. In the flowchart shown in FIG. 11, a process of a variable N indicating an elapsed time after the movement of a person in the room is lost is added, and the movement of a person in the room indicated by the variable N is lost. 7 is different from the flowchart of FIG. 7 in that it includes a step of determining that the degree of urgency is high when the elapsed time is longer than a predetermined time.

  Specifically, in the flowchart of FIG. 11, when it is determined in step S1 that there is a moving object (step S1; YES), the value of the variable N is set to zero in step S11. Also, when it is determined in step S3 that is processed after determining that there is a person (in the room) in step S2 (step S3; YES), the value of the variable N is determined in step S12. Is set to zero.

  On the other hand, if it is determined in step S3 that there is no moving object (step S3; NO) and it is determined in step S4 that the room has not been exited (step S4; NO), the value of N is set in step S13. In step S14, it is determined whether or not the value of the variable N is greater than a predetermined value N1. If it is determined in step S14 that the variable N is not greater than N1 (step S14; NO), the process returns to step S2. That is, the value of the variable N continues to increase when it is determined that the user is in the room, and no movement is detected and it is not determined that the user has left the room. That is, the value of the variable N represents the elapsed time after the person in the room stops moving.

  In step S14, when it is determined that the value of the variable N is greater than N1 (step S14; YES), it is considered that the elapsed time after the movement of the person in the room stops is longer than a predetermined time. . This is considered to indicate that a person in the room has lost consciousness due to, for example, carbon dioxide or carbon monoxide generated by a fire and cannot evacuate by himself. Therefore, in step S15, it is determined that the emergency level of rescue is high.

  The determination result related to the degree of urgency is sent from the fire receiver 300 to the rescuer support apparatus 500 and further sent to the rescuer terminal 400 as described above together with the result of the presence determination and the related camera position information. Displayed as appropriate. Thereby, the rescuer can recognize a room (area) where a person with a high degree of urgency of the rescue is present, and can rescue immediately.

(Modification 3)
In the said embodiment, although the position of the rescuer terminal 400 was represented by the latitude and the longitude, this invention is not limited to this. The position of the rescuer terminal 400 may include a height. Moreover, in the said embodiment, although acquired based on the GPS signal from a GPS satellite, this invention is not limited to this. In addition to or instead of acquiring the position based on the signal from the GPS satellite, the position of the rescuer terminal 400 may be acquired using a gyroscope or an acceleration sensor. Moreover, you may detect the position of the height direction of the rescuer terminal 400 using the atmospheric | air pressure sensor which detects the change of atmospheric | air pressure. Furthermore, the position of the rescuer terminal 400 may be measured using an indoor positioning system such as IMES (Indoor MEssaging System). Thus, the position acquisition of the rescuer terminal 400 may be performed using any known technique.

(Modification 4)
In the said embodiment, although the presence-in-room determination was performed based on the video signal from each fire detector 200 with a camera by the control part 310 of the fire receiver 300, this invention is not limited to this. The control unit 210 of each camera-equipped fire detector 200 performs occupancy determination based on each video signal, transmits the determination result to the fire receiver 300, and further transmits the determination result from the fire receiver 300 to the rescue support device 500. May be.

(Modification 5)
In the said embodiment, although the fire detector 200 with a camera was provided in each room of a group home, this invention is not limited to this. The fire detector with camera 200 may be provided at any location in the facility to be monitored. For example, the fire detector with camera 200 is installed in a common area such as a corridor or a staircase, and the camera-equipped fire detector 200 is based on images acquired at these locations. You may determine whether there is a person.

(Modification 6)
In the above embodiment, the occupancy determination result in the room where the camera-equipped fire sensor 200 is installed is displayed on the rescuer terminal 400 in association with the position of the camera-equipped fire sensor 200. However, the present invention is not limited to this. Not. The result of occupancy determination in the room where the camera-equipped fire sensor 200 is installed may be displayed on the display unit 330 of the fire receiver 300 or the display unit 530 of the rescue support apparatus 500. As a result, the manager of the fire receiver 300 (that is, the manager of the facility) or the operator of the rescue support apparatus 500 knows the position of the person who is lagging away, and notifies the rescuer terminal 400 by telephone, for example. Can respond.

(Modification 7)
Programs that realize the functions of the control units 210, 310, 410, and 510 include a magnetic recording medium (magnetic tape, magnetic disk (HDD, FD (Flexible Disk)), etc.), an optical recording medium (optical disc (CD (Compact Disc)), DVD (Digital Versatile Disk), etc.), magneto-optical recording medium, semiconductor memory and other computer-readable recording media may be provided and installed in a storage device accessible by each control unit. Alternatively, it may be downloaded and installed via a communication line.
In the above-described embodiment, the rescue support apparatus 500 is installed in a fire engine or the like, and the rescuer terminal 400 is carried by a fire brigade. However, the present invention can be applied to other report destinations.

DESCRIPTION OF SYMBOLS 1 ... Fire notification system, 100 ... Fire notification equipment, 150 ... Signal line, 200 ... Fire sensor with camera, 210 ... Control part, 211 ... Image processing part, 220 ... Fire detection part, 230 ... Address setting part, 240 ... Communication unit 250 ... Camera 260 ... Rotating unit 270 ... Bus 300 ... Fire receiver 310 ... Control unit 311 ... Fire determination unit 312 ... Availability determination unit 320 ... Storage unit 330 ... Display unit 340: Operation unit, 350: First communication unit, 360: Second communication unit, 370 ... Bus, 400 ... Rescue terminal, 410 ... Control unit, 420 ... Storage unit, 430 ... Display unit, 431 ... Information display area 432 ... Image display area, 433 ... Operation area, 440 ... Operation part, 450 ... Communication part, 460 ... Microphone, 470 ... Speaker, 480 ... GPS sensor, 490 ... Bus, 441 ... Touch Pad, 500 ... rescue support device, 510 ... control unit, 511 ... rescuer terminal management unit, 512 ... extraction unit, 520 ... storage unit, 521 ... terminal management table, 530 ... display unit, 540 ... operation unit, 550 ... communication 560 ... Bus, NW ... Communication network

Claims (6)

A fire detector to detect the occurrence of a fire in the monitored facility;
A plurality of camera devices installed in the facility;
When a fire occurrence is detected by the fire detector, based on a video signal representing a video acquired by each camera device, a determination unit that determines whether there is a person in an area photographed by each camera device;
A rescue operation support system comprising: a notification unit configured to notify information indicating a determination result by the determination unit to a predetermined report destination together with camera position information indicating a position of each camera device. The determination means determines the emergency level of rescue of the person based on the movement of the person extracted from the video acquired by the camera device,
The rescue operation support system according to claim 1, wherein the notification unit notifies the report destination of information indicating the degree of urgency determined by the determination unit together with the camera position information. The determination means determines that the person cannot move when a predetermined time has elapsed after the movement of the person extracted from the video acquired by the camera device stops, and the person is moving The rescue operation support system according to claim 2, wherein the emergency level is determined to be higher than the emergency level. In the camera device, when the fire detector detects a fire occurrence, the image quality of the image supplied to the determination unit is higher than before the fire detector detects the fire occurrence. The rescue operation support system according to any one of claims 1 to 3, further comprising image quality control means for controlling the image quality of the image. The rescue activity support system further includes a rescue support device provided at the predetermined report destination,
The rescue support device includes:
Receiving means for receiving information indicating the determination result by the determining means and camera position information indicating the position of each camera device from the notifying means;
A specifying means for specifying a rescuer terminal possessed by a rescuer performing a rescue operation in the monitored facility where a fire is detected;
Transmitting means for transmitting information indicating the determination result by the determination means received by the receiving means and camera position information indicating the position of each camera device to the rescuer terminal specified by the specifying means; The rescue operation support system according to any one of claims 1 to 4. The rescue support device includes:
Terminal position information acquisition means for acquiring information indicating the position of the rescuer terminal possessed by the rescuer;
Based on the camera position information and the information indicating the position of the rescuer terminal acquired by the terminal position information acquisition means, within a predetermined range from the position of the rescuer terminal among the plurality of camera devices. Extracting means for extracting a camera device located in
The transmission means transmits a determination result of whether or not there is a person in an area photographed by the camera device extracted by the extraction means to the rescuer terminal together with camera position information indicating a position of the extracted camera device. The rescue operation support system according to claim 5.

Images