JP2011022989A - Alarm system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To further reinforce the function of monitoring abnormal conditions in a dwelling unit, such as a fire by making a wireless alarm be interlocked with an announcement broadcast receiver. <P>SOLUTION: An alarm system is configured of a plurality of dwelling unit alarms 10-1 to 10-3 and an announcement broadcast receiver 100. The dwelling unit alarms 10-1 to 10-3 detect a fire, output alarm indicating an interlocking source and wirelessly transmit a fire detection signal to the other dwelling unit alarms, and at the same time, receives a fire detection signal from the other alarms and outputs alarm indicating an interlocking destination. The announcement broadcast receiver 100 receives and outputs an announcement broadcast signal transmitted from external broadcast equipment through a transmission line, receives the fire detection signal from the dwelling unit alarms 10-1 to 10-3 and outputs alarm indicating the interlocking destination. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to an alarm system that detects an abnormality such as a fire or a gas leak and issues an alarm, and transmits a signal to another alarm device or a notification broadcast receiver to output the alarm in conjunction with the alarm system.

  Conventionally, residential alarms (hereinafter referred to as “residential alarms”) that detect and warn of fires in houses have become widespread. In recent years, a plurality of residential alarms can communicate with each other to provide a single residence. Wireless dwelling alarms for linked alarm systems that can alarm alarm information with other alarms have been put into practical use, and some of these operate by battery power.

  In a linked alarm system that performs wireless communication, if a fire is detected by a certain home alarm, the home alarm that detected the fire will, for example, send a voice message saying “It ’s a fire. On the other hand, a voice message stating “Check that another fire alarm has been activated” is output at the linked home alarm.

  On the other hand, in the dwelling unit that subscribes to the CATV system, an announcement broadcast receiver that receives the audio announcement broadcast using the CATV system is installed so that the announcement broadcast receiver can receive general broadcasts and emergency broadcasts. ing.

JP 2007-094719 A

  However, such a conventional wireless alarm device that performs an interlocking alarm is an interlocking system that mutually alerts multiple alarms that perform fire monitoring. Interlocking with various alarm devices such as alarm devices and burglar alarm devices is considered, but not with devices such as notification broadcast receivers that are not used for monitoring abnormalities in dwelling units.

  However, an announcement broadcast receiver is installed in a place where people are always present, such as the living room in a dwelling unit, and is used for receiving general broadcasts and emergency broadcasts. In addition, there is a function to record messages that are broadcast while you are away and play them when you return home, and to broadcast at maximum volume regardless of volume adjustment by volume during emergency broadcasts. Can be included in the alarm system as one of the constituent devices of a wireless home alarm device, new utilization that cannot be achieved with only the home alarm device is expected.

An object of the present invention is to provide an alarm system that can further enhance the function of monitoring abnormalities such as a fire in a dwelling unit by linking a wireless alarm device and a notification broadcast receiver.

The present invention provides an alarm system,
An abnormality is detected and an alarm indicating the interlocking source is output, and an abnormality detection signal is wirelessly transmitted to another alarm device, while an abnormality detection signal from another alarm device is received and an alarm indicating the interlocking destination is output. One or more alarm devices;
A notification broadcast receiver that receives and outputs a notification broadcast signal transmitted from an external broadcast facility via a transmission line, receives an abnormality detection signal from an alarm device, and outputs an alarm indicating a linkage destination; and
Is provided.

  Here, the notification broadcast receiver detects an abnormality and outputs an alarm indicating the link source, and wirelessly transmits an abnormality detection signal to the alarm device.

The alarm
A sensor unit that detects and outputs a physical phenomenon in the monitoring area;
A notification unit that outputs an abnormal alarm by an alarm sound and an alarm display;
An operation unit including an operation means for stopping the alarm;
An event detection unit for detecting an event including an abnormality by the detection output of the sensor unit and a stop operation by the operation unit;
A transmission processing unit that transmits an event signal indicating an event detected by the event detection unit to another alarm device and a notification broadcast receiver;
A reception processing unit for receiving event signals from other alarm devices or notification broadcast receivers;
When an abnormality is detected by the event detection unit, an abnormality alarm indicating an interlocking source is output from the notification unit, and an event signal indicating the abnormality is transmitted to another alarm device, while from another alarm device or a notification broadcast receiver When receiving an event signal indicating an abnormality, an alarm processing unit that outputs an abnormality alarm indicating a linkage destination from the notification unit; and
An alarm stop unit that stops an alarm when detecting an alarm stop operation from its own alarm stop or other alarm device or notification broadcast receiver during output of an abnormal alarm,
Is provided.

Announcement broadcast receiver
A notification unit that outputs an abnormal alarm by an alarm sound and an alarm display;
An operation unit including an operation means for stopping the alarm;
An event detection unit for detecting an event including a stop operation by the operation unit;
A transmission processing unit that transmits an event signal indicating an event detected by the event detection unit to the alarm device;
A reception processing unit for receiving an event signal from the alarm device;
When receiving an event signal indicating an abnormality from the alarm device in the reception processing unit, an alarm processing unit that outputs an abnormality alarm indicating a linkage destination from the notification unit; and
An alarm stop unit for stopping an alarm when detecting an own alarm stop operation or receiving an event signal indicating an alarm stop from the alarm device during output of an abnormal alarm;
Is provided.

Announcement broadcast receiver
A sensor unit that detects and outputs a physical phenomenon in the monitoring area;
A notification unit that outputs an abnormal alarm by an alarm sound and an alarm display;
An operation unit including an operation means for stopping the alarm;
An event detection unit for detecting an event including presence or absence of abnormality by detection output of the sensor unit and a stop operation by the operation unit;
A transmission processing unit that transmits an event signal indicating an event detected by the event detection unit to the alarm device;
A reception processing unit for receiving an event signal from the alarm device;
When an abnormality is detected by the event detection unit, an abnormality alarm indicating an interlocking source is output from the notification unit, and an event signal indicating abnormality is transmitted to the alarm device, while an event signal indicating abnormality is received from the alarm device , An alarm processing unit for outputting an abnormal alarm indicating the interlocking destination from the notification unit,
An alarm stop unit that stops the alarm when it detects an alarm stop operation of its own during the output of an abnormal alarm or an event signal reception indicating an alarm stop from an alarm device,
May be provided.

  The alarm processing unit of the notification broadcast receiver transmits an event signal indicating an abnormality to a higher system provided on the external broadcasting facility side via a transmission line to cause an alarm.

The alarm processing unit of the notification broadcast receiver transmits the notification broadcast information to the alarm device and outputs the sound.

  According to the present invention, the notification broadcast receiver receives the event signal indicating the abnormality from the resident alarm and outputs an alarm indicating the interlocking destination, thereby enabling the voice notification function of the notification broadcast receiver. By utilizing this, abnormalities such as fires detected by alarms can be transmitted reliably and clearly.

  In addition, by installing a sensor unit that detects an abnormality such as a fire in an alarm broadcast receiver in the notification broadcast receiver, the notification broadcast receiver will have a function as an alarm device such as a fire. Even if a separate alarm device is not installed in the room, an alarm such as a fire is detected by the notification broadcast receiver and an alarm indicating the interlocking source is issued, and at the same time an abnormality is indicated in the alarm device installed in another room An event signal can be transmitted to output an alarm indicating the link destination.

  In addition, when an emergency broadcast is received by an announcement broadcast receiver, the broadcast information is transmitted to an alarm device and output as a sound, so that the information from the emergency broadcast can be widely and quickly used in the dwelling unit using the interlocking relationship of the alarm device. I can tell you.

In addition, since the notification broadcast receiver has a function of transmitting an upstream signal to the notification broadcast facility via the CATV transmission path, event information indicating an abnormality detected by the alarm device or itself is sent to the host system on the notification broadcast facility side. By transmitting and alerting, it is possible to centrally monitor the abnormalities of the subscriber's home where the notification broadcast receiver is installed on the upper side.

Explanatory drawing which showed the installation state of the alarm system of this invention with respect to a house Explanatory drawing which showed the external appearance of the wireless type residence guard provided in the alarm system of FIG. Explanatory drawing which showed the external appearance of the notification broadcast receiver provided in the alarm system of FIG. Explanatory drawing which showed the outline of the notification broadcast system to which the notification broadcast receiver of FIG. 1 is connected. The block diagram which showed embodiment of the residence guard of FIG. Explanatory drawing showing the format of the event signal used in this embodiment The flowchart which showed the basic process in the residence guard of FIG. The flowchart which showed the detail of the detection event response process in step S3 of FIG. The flowchart which showed the detail of the reception event response process in step S5 of FIG. The block diagram which showed embodiment of the notification broadcast receiver of FIG. The flowchart which showed the basic process in the notification broadcast receiver of FIG. The block diagram which showed other embodiment of the notification broadcast receiver of FIG.

  FIG. 1 is an explanatory diagram showing an installed state of the alarm system of the present embodiment for a house. In the example of FIG. 1, the home police devices 10-1 to 10-3 that detect and warn of fire are installed in the kitchen, the master bedroom, and the children's room provided in the house 24, respectively. A broadcast receiver 100 is installed.

  The home alarm devices 10-1 to 10-3 have a function of wirelessly transmitting and receiving event signals to each other, and perform fire monitoring of the entire house. The notification broadcast receiver 100 is connected to an external notification broadcast center facility through a head end of a CATC system via a transmission line such as a coaxial cable or an optical fiber cable, and receives and outputs a general broadcast or an emergency broadcast. Moreover, the notification broadcast receiver 100 of this embodiment is provided with a function of monitoring the same fire as the residential alarm devices 10-1 to 10-3 and transmitting / receiving event signals wirelessly.

  If a fire has occurred in the kitchen of the house 24, the residence guard 10-1 detects the fire and starts an alarm. Detecting this fire and initiating an alarm is referred to as “reporting” at the home alarm. When the home alarm device 10-1 issues a report, the home alarm device 10-1 functions as a link source, and fires the other home alarm devices 10-2 and 10-3 and the notification broadcast receiver 100 as link destinations. An event signal indicating notification is transmitted wirelessly. In the home alarm devices 10-2 and 10-3 and the notification broadcast receiver 100, when an event signal indicating a fire alarm is received from the home alarm device 10-1 as the interlock source, the alarm sound and the alarm display interlock. Perform the alarm action as before.

  Here, as the alarm sound of the home police 10-1 that is the link source, for example, “It ’s a fire is output” is output by a voice message. On the other hand, in the interlocked residence alarm devices 10-2 and 10-3 and the notification broadcast receiver 100, a voice message such as “Please confirm that another alarm device has been activated” is output.

  In addition, as an alarm display of the home alarm device 10-1 that is the interlocking source, the LED is blinked, for example. On the other hand, in the interlocked residence police 10-2 and 10-3, the LED is blinked, for example. As a result, the alarm display by the LED in the interlock source alarm and the interlock destination alarm can be distinguished.

  At this time, when the broadcast signal receiver 100 receives an event signal indicating a fire alarm from the interlocking home resident alarm 10-1, it sends the fire event information to the host system via the transmission circuit to be alerted. You can also.

  Also, if a fire occurs in the living room, the notification broadcast receiver 100 detects the fire and issues a notification. The residence notification broadcast receiver 100 functions as a link source, outputs an alarm indicating the link source, and An event signal indicating a fire alert is transmitted wirelessly to the other dwelling devices 10-1 to 10-3. In the home alarm devices 10-1 to 10-3, when an event signal indicating a fire alarm is received from the notification broadcast receiver 100 as the interlock source, an alarm operation as an interlock destination is performed by an alarm sound and an alarm display. .

  2A and 2B are explanatory views showing the appearance of the wireless residence guard provided in FIG. 1, in which FIG. 2A shows a front view and FIG. 2B shows a side view.

  In FIG. 2, the home alarm device 10 includes a cover 12 and a main body 14. A smoke inlet is opened in the center of the cover 12, and a smoke detector 16 is disposed inside the cover 12 so that a fire is detected when smoke from the fire reaches a predetermined concentration.

  An acoustic hole 18 is provided on the lower left side of the smoke detector 16 provided in the cover 12, and a buzzer and a speaker are built in behind this so that an alarm sound and a voice message can be output. An alarm stop switch 20 is provided below the smoke detector 16. The alarm stop switch 20 also has a function as an inspection switch for instructing a functional inspection of the home alarm. For example, when the alarm stop switch 20 is operated during a fire alarm, the alarm is stopped, and when the alarm stop switch 20 is operated in a normal state, a function check is started and the result is notified.

  The alarm stop switch 20 includes a switch cover formed of a translucent member and a tact switch (not shown) arranged inside the switch cover. In the vicinity of the tact switch inside the switch cover, an LED 22 for displaying an alarm is arranged as indicated by a dotted line. When the LED 22 lights up, the LED 22 is lit through the switch cover portion of the alarm stop switch 20 and the lighting state of the LED 22 is external. As you can see from.

  A mounting hook 15 having an insertion hole in the vicinity of the center is provided at the upper part on the back side of the main body 14. A screw or the like is screwed into the wall surface of the room to be installed, and the screw is passed through the insertion hole of the mounting hook 15. It is possible to install the house alarm 10 on a so-called wall.

  In addition, in the residential alarm 10 of FIG. 1, although the residential alarm which detects the smoke by the fire provided with the smoke detection part 16 is taken as an example, temperature of the thermistor etc. which detects the heat by a fire besides this is also taken. House alarms with detection elements, house alarms that detect other physical phenomena associated with fires, alarms that detect gas leaks in addition to fires, various alarms that detect intruders, earthquakes, and other abnormalities, etc. Alarm devices formed by combining these are also included in the subject of the present invention.

  FIG. 3 is an explanatory view showing the appearance of the notification broadcast receiver provided in FIG. In FIG. 3, a power lamp 102, an emergency broadcast lamp 104, and a general broadcast lamp 106 are provided on the display unit of the notification broadcast receiver 100. The emergency broadcast lamp 104 and the general broadcast lamp 106 are turned on when the corresponding broadcast is received. When a broadcast is received and recorded in the answering machine recording set state, the emergency broadcast lamp 104 or the general broadcast lamp 106 corresponding to the recorded broadcast blinks to notify that there is a recording.

  A radio reception switch 108, a notification reproduction switch 110, an alarm stop switch 112, and a volume adjustment dial 114 are provided on the operation unit of the notification broadcast receiver 100. When the radio reception switch 108 is pressed, a general broadcast can be heard. When the notification playback switch 110 is pressed, a general broadcast or emergency broadcast recorded with an answering machine can be heard.

  The alarm stop switch 112 is a switch provided corresponding to a house alarm function for fire monitoring, and can stop the alarm sound when pressed while outputting the alarm sound.

  A slit-like acoustic hole 116 is formed on the left side of the display unit and the operation unit, and a speaker is built therein. In addition, an antenna 118 is installed on the left side surface, and event signals are transmitted and received wirelessly to and from a home alarm device that constructs an alarm system.

  FIG. 4 is an explanatory diagram showing an outline of a notification broadcast system to which the notification broadcast receiver 100 of FIG. 1 is connected. In FIG. 4, the CATV station 120 is provided with a CATV head end 122 and an announcement broadcasting center facility 124. A coaxial cable 128 and an optical fiber cable 130 are drawn from the CATV head end 122 to the subscriber dwelling unit.

  A trunk branch amplifier 132 and the like are provided in the middle of the coaxial cable 128 to branch the coaxial cable in a tree shape, and a branch unit 136 of the subscriber unit is connected to a tap-off 134 provided on the terminal side. Announcement broadcast receiver 100 is connected.

  The optical fiber cable 130 is branched by a closure 140 known as a branching device, and an optical signal is converted into an electric signal by a converter 142 provided in front of the subscriber's dwelling unit and connected to the branching device 114. 136 and the notification broadcast receiver 100 are connected.

  Announcement / broadcasting center equipment 124 is connected above the CATV head end 122, and further connected to a sub-center equipment 126 installed in a public organization such as an external police or fire department. The announcement broadcast center 124 normally transmits radio broadcasts as general broadcasts, and performs emergency broadcasts when disasters such as earthquakes and typhoons occur.

  In addition, the transmission line using the coaxial cable 128 and the optical fiber cable 130 transmits downlink signals and television signals from the upper level to the subscriber unit and sends various signals including event signals from the subscriber unit to the head end side. We are transmitting.

  FIG. 5 is a block diagram showing an embodiment of the residential police device of FIG. 1, and for the three residential police devices 10-1 to 10-3 shown in FIG. The circuit configuration is shown in detail, and the announcement broadcast receiver 100 is also shown.

  The arrows connecting the home police 10-1 with the other home police 10-2, 10-3 and the notification broadcast receiver 100 indicate that they communicate with each other. The home guard 10-3 and the like are also allowed to communicate with each other.

  The home guard 10-1 includes a processor 28 known as a one-chip CPU. For the processor 28, a wireless communication unit 30 including an antenna 31, a memory 32, a sensor unit 34, a notification unit 36, an operation unit 38, and A battery power source 40 is provided.

  The wireless communication unit 30 is provided with a transmission circuit 42 and a reception circuit 44 so that event signals can be transmitted and received wirelessly between the other residential alarm devices 10-2 to 10-5. As the wireless communication unit 30, in Japan, for example, STD-30 (wireless equipment standard of a low power security system wireless station) or STD-T67 known as a standard of a specific low power wireless station of 400 MHz band. It has a configuration that conforms to the standard for specific low-power radio station telemeters, telecontrol and data transmission radio equipment.

  Of course, the wireless communication unit 30 has contents conforming to the standard of the assigned wireless station in the area in places other than Japan.

  In the memory 22 as a storage unit, a serial number 48 which is a serial number indicating the order of the vent signal, a transmission source code 50 which becomes an ID (identifier) for identifying a residential alarm, and a residence installed in a house as shown in FIG. The group code | symbol 52 for comprising the interlocking | linkage group which performs interlocking | linkage alarm with the alarm devices 10-1 to 10-3 and the notification broadcast receiver 100 is stored.

  The serial number 58 is used for managing the relay processing of the event signal in the communication between the alarm devices, but will not be described in detail because it is not directly related to the present embodiment.

  As the transmission source code 50, the number of home guards provided in the country is predicted, and for example, a 26-bit code code is used so as not to be duplicated as the same code.

  The group code 52 is a code that is set in common to a plurality of house alarms constituting the interlocking group, and the group code included in the event signal from another house alarm received by the wireless communication unit 30 is registered in the memory 32. Therefore, the event signal is received and processed as a valid signal when it coincides with the group code 52, so as shown in FIG. Interference with other group alarms can be avoided.

  In addition to the smoke detector 16, the sensor unit 34 may be provided with a temperature detection element such as a thermistor for detecting the temperature due to a fire, and various elements for detecting other physical phenomenon changes associated with the fire.

  The notification unit 36 includes a speaker 58 that outputs an alarm sound and an LED 22 that displays an alarm. The speaker 58 outputs a voice message or an alarm sound from a voice synthesis circuit unit (not shown). The LED 22 displays a warning such as a fire by blinking, blinking, or lighting. Instead of the speaker 48, a buzzer or the like may be used.

  The operation unit 38 is provided with an alarm stop switch 20. The alarm stop switch 20 is effective only when an alarm is displayed with an alarm sound from the notification unit 36 through the speaker 56. If the alarm stop switch 20 is operated during the alarm indicating the interlock source, the alarm sound is stopped and the alarm display is continued. On the other hand, if the alarm stop switch 20 is operated during the alarm indicating the interlock destination, the alarm sound is similarly displayed. Stops and alarm display continues.

On the other hand, the alarm stop switch 20 functions as an inspection switch in a normal monitoring state in which an alarm indicating the interlocking source or the interlocking destination is not performed. When the inspection switch is pressed in this state, a predetermined inspection operation is performed and the notification unit 36 An inspection message indicating the inspection result is output. This check message outputs, for example, “pipe beep fire fire is normal” once when it is normal, “pipe failure” once when the sensor is faulty, and “peep” when the battery is low. The battery power source 40 uses, for example, a predetermined number of lithium batteries or alkaline batteries, and the battery capacity is the entire circuit unit including the wireless communication unit 30 in the residential alarm device 10-1. For example, the battery life of 10 years is guaranteed by the low power consumption.

  The processor 28 is provided with an event detection unit 60, a transmission processing unit 62, a reception processing unit 64, an alarm processing unit 66, and an alarm stop unit 68 as functions realized by executing the program.

  The event detection unit 60 detects an event including abnormality detection by the sensor unit 34, an alarm stop or inspection instruction by the operation unit 28, and abnormality recovery in which the abnormality detection of the sensor unit 24 disappears.

  The transmission processing unit 62 detects a detected event when the event detection unit 6 detects its own event including abnormality detection by the sensor unit 34, alarm stop or inspection instruction by the operation unit 38, and abnormality recovery in which the abnormality detection of the sensor unit 34 disappears. An event signal indicating is sent to the interlocking house police. The reception processing unit 64 receives and decodes the event signals from the residential alarm devices 10-2 to 10-5.

  The alarm processing unit 66 outputs an alarm sound indicating the interlocking source from the speaker 58 when the event detection unit 60 detects a fire alarm as its own abnormality, and drives the LED 22 to display an alarm indicating the interlocking source. In addition, an event signal indicating a fire alarm is transmitted to other home alarm devices.

  More specifically, the alarm processing unit 66 indicates the link source from the speaker 58 of the notification unit 36 when the event detection unit 60 detects a fire from the smoke detection signal from the smoke detection unit 16 provided in the sensor unit 34. An alarm sound, for example, “It ’s a fire is a fire,” is repeatedly output, the LED 22 blinks to display an alarm indicating the interlocking source, and an event signal indicating the fire is sent to the antenna by the transmitter circuit 42 of the wireless communication unit 30. 11 to the other home alarm devices 10-2 to 10-3 and the notification broadcast receiver 100.

  Further, the alarm processing unit 62 receives an event signal indicating a fire alarm from any of the other residential alarm devices 10-2 to 10-5 by the reception circuit 44 of the wireless communication unit 30, and is effective in the reception processing unit 62. When the alarm sounds, the alarm sound indicating the link destination is repeatedly output from the speaker 58 of the notification unit 36, for example, “Please confirm that another fire alarm has been activated”, and the LED 22 blinks at the same time. Displays an alarm indicating the link destination.

  When the alarm stop unit 68 detects an alarm stop operation of the alarm stop switch 20 provided in the operation unit 38 during the output of the abnormality alarm indicating the interlock source, an alarm sound from the speaker 58 indicating the interlock source, for example, “pip pip fire. "It is a fire" and the alarm display due to blinking of the LED 22 is stopped, and an event signal indicating the alarm stop is transmitted to the other residential alarm devices 10-2 to 10-3 and the notification broadcast receiver 100.

  In addition, the alarm stop unit 68 stops the alarm sound from the speaker 58 indicating the interlocking destination when detecting the reception of the event signal indicating the alarm stop from another dwelling alarm device during the output of the abnormality alarm indicating the interlocking destination. The alarm display by blinking of the LED 22 is also stopped.

  FIG. 6 is an explanatory diagram showing the format of the event signal used in this embodiment. In FIG. 6, the event signal 46 includes a serial number 48, a transmission source code 50, a group code 52, and an event code 54.

  The serial number 48 is a serial number indicating the order of event signals, and is incremented by one each time an event signal is transmitted. Further, the serial number 48 is generated asynchronously by each of the residential alarm devices 10-1 to 10-3 and the notification broadcast receiver 100. The serial number 48 is for managing the relay processing of the event signal in the communication between the alarm devices, but will not be described in detail because it is not directly related to the present embodiment.

  The transmission source code 50 is a 26-bit code, for example. The group code 52 is, for example, an 8-bit code, and the same group code is set for, for example, the residential alarm devices 10-1 to 10-3 and the notification broadcast receiver 100 of FIG.

  In addition, as the group code 52, in addition to setting the same group code to the same group of house alarms, a reference code common to the house alarms constituting a predetermined group, and a transmission source unique to each house alarm A different group code may be used for each residential alarm obtained from the calculation with the code.

  The event code 54 is a code representing the event contents such as fire and gas leak. In this embodiment, a 3-bit code is used. For example, “001” indicates a fire and “010” indicates a gas leak (for example, Gas leak alarm and fire gas leak combined type alarm), "011" for theft (eg for theft alarm), "100" for alarm stop, "101" for recovery, "110" for inspection, The rest is reserved. Note that the number of bits of the event code 42 can be further increased to 4 bits and 5 bits when the types of events increase, thereby expressing more event contents.

  FIG. 7 is a flowchart showing the basic processing of the house alarm in the embodiment of FIG. In FIG. 7, when power supply is started from the battery power supply 40 of the residence guard 10-1, initialization and self-diagnosis are executed in step S <b> 1, and if there is no abnormality, the process proceeds to step S <b> 2 and monitoring by the event detection unit 60 is performed. The presence / absence of event detection is checked, and when monitoring event detection is determined, the process proceeds to step S3, and processing corresponding to the detection event is executed.

  Subsequently, in step S4, it is checked whether or not a monitoring event signal has been received from another house alarm device. When it is determined that a monitoring event signal has been received, the process proceeds to step S5, and processing corresponding to the received event is executed.

  FIG. 8 is a flowchart showing details of the detection event response processing in step S3 of FIG.

  In FIG. 8, the detection event response process monitors the fire alarm in step S11. When the smoke detection signal output from the sensor unit 34 exceeds a predetermined fire level, the fire alarm is determined and the process proceeds to step S12. Then, an event signal including a serial number, a transmission source code, a group code, and an event code indicating a fire alarm is wirelessly transmitted to other residential alarm devices and notification broadcast receivers, and then an alarm sound from the speaker 58 is received in step S13. And a fire alarm indicating the interlocking source is output by the alarm display by blinking of the LED 22.

  Subsequently, in step S14, it is determined whether or not there is a fire recovery in which the smoke detection signal from the sensor unit 34 is reduced and the fire is not generated. When the fire recovery is determined, a serial number, a transmission source code, and a group code are determined in step S15. Then, an event signal including an event code indicating a fire recovery is transmitted to the other residential alarm device and the notification broadcast receiver.

  Subsequently, in step S16, it is determined whether or not the alarm stop switch 20 is operated. If switch operation is determined, it is determined in step S17 whether or not an alarm is being issued. If it is determined in step S17 that an alarm is in progress, the process proceeds to step S18, and an event signal including an event code indicating a serial number, a transmission source code, a group code, and an alarm stop is transmitted to the other residential alarm and notification broadcast receiver. In step S19, the alarm sound from the speaker 58 indicating the interlock source is stopped, and the alarm display due to blinking of the LED 22 is turned off.

  If the alarm is not being issued in step S17, this is a normal state, so the process proceeds to step S21, and an event signal including a serial number, a transmission source code, a group code, and an event code indicating inspection is sent to another residence police. The information is transmitted to the receiver and the notification broadcast receiver, and the process proceeds to step S22 to output an inspection message indicating the state of the home alarm device from the speaker 58 indicating the interlocking source.

  FIG. 9 is a flowchart showing details of the reception event handling process in step S5 of FIG.

  In FIG. 9, it is determined in step S31 whether or not an event signal has been received indicating a fire alarm from another residential alarm or notification broadcast receiver. When it is determined that an event signal indicating a fire alarm from another house alarm or notification broadcast receiver is determined, the process proceeds to step S32, where an alarm sound from the speaker 58 and an alarm display by blinking the LED 22 are displayed as a fire alarm indicating the interlock destination. Do.

  Next, in step S33, it is determined whether or not an event signal indicating a fire recovery from another residential alarm or notification broadcast receiver has been received. When an event signal indicating a fire recovery is received, the process proceeds to step S34 and the linked destination is received. The alarm display by the alarm sound from the speaker 58 and the blinking of the LED 22 is stopped as an alarm.

  Next, in step S35, it is checked whether or not an event signal indicating an alarm stop has been received from another residential alarm or notification broadcast receiver. If it is determined that an event signal indicating an alarm stop has been received, the process proceeds to step S36. The presence / absence of an alarm is discriminated. If the alarm is discriminated, the process proceeds to step S37 to stop the alarm sound of the interlocking source or interlocking destination and stop the alarm display.

  Next, in step S38, it is checked whether or not an event signal indicating an inspection from another house alarm or notification broadcast receiver has been received. If it is determined that an event signal indicating an inspection has been received, the process proceeds to step S39 to proceed to step S42. The inspection message indicating the state of the house alarm is output from the speaker 58.

  FIG. 10 is a block diagram showing an embodiment of the notification broadcast receiver 100 shown in FIG. 3, and also shows the residential guards 10-1 to 10-3.

  The notification broadcast receiver 100 includes a processor 150 known as a one-chip CPU. For the processor 150, a wireless communication unit 158 including an antenna 118, a sensor unit 160, a memory 162, a transmission circuit unit 152, a notification unit 154, In addition, an operation unit 156 is provided.

  The wireless communication unit 158 is provided with a transmission circuit 164 and a reception circuit 166 so that event signals can be transmitted and received wirelessly between the house alarm devices 10-1 to 10-3. For example, in the case of Japan, the wireless communication unit 158 has a configuration compliant with STD-30 or STD-T67, which is known as a standard for a specific low-power wireless station in the 400 MHz band.

  The memory 162 as a storage unit includes a serial number 48 that is a serial number indicating the order of event signals, a transmission source code 50 that is an ID (identifier) that identifies a home alarm, and a residence installed in a house as shown in FIG. The group code | symbol 52 for comprising the interlocking | linkage group which performs interlocking | linkage alarm with the alarm devices 10-1 to 10-3 and the notification broadcast receiver 100 is stored.

  The sensor unit 34 is provided with a smoke detector 168. In addition to the smoke detector 168, a temperature detecting element such as a thermistor for detecting the temperature due to a fire, and various elements for detecting other physical phenomenon changes accompanying the fire may be provided.

  The transmission circuit unit 152 is provided with a downstream transmission circuit and an upstream transmission circuit, and performs bidirectional transmission with the head end via the transmission path.

  The notification unit 154 is provided with a speaker that outputs broadcast sound and alarm sound and various indicator lamps shown in FIG. The operation unit 156 is provided with various switches shown in FIG.

  The alarm stop switch 112 is effective only when an alarm is sounded by an alarm sound from the notification unit 154 through a speaker. When the alarm stop switch 112 is operated during the alarm, the alarm sound stops and the alarm display also stops.

  On the other hand, the alarm stop switch 112 functions as an inspection switch in a normal monitoring state in which an alarm indicating the interlocking source or the interlocking destination is not performed. When the inspection switch is pressed in this state, a predetermined inspection operation is performed and the notification unit 154 An inspection message indicating the inspection result is output. This check message outputs, for example, “pipe beep fire fire is normal” once when it is normal, “pipe failure” once when the sensor is faulty, and “peep” when the battery is low. "Battery is dead" is output once.

  The processor 150 is provided with a notification broadcast processing unit 170 and a house alarm processing unit 172 as functions realized by executing the program. The notification broadcast processing unit 170 performs various processes necessary for receiving notification broadcasts, such as general broadcast reception processing, emergency broadcast reception processing for maximizing the volume, and answering machine recording and reproduction processing.

  The home alarm processing unit 172 has the same functions as the event detection unit 60, the transmission processing unit 62, the reception processing unit 64, the alarm processing unit 66, and the alarm stop unit 68 shown in the home alarm device of FIG.

  FIG. 11 is a flowchart showing the basic processing of the notification broadcast receiver in the embodiment of FIG. In FIG. 11, when the notification broadcast receiver 100 is turned on, initialization and self-diagnosis are executed in step S41. If there is no abnormality, the process proceeds to step S42 to determine whether a notification broadcast event has occurred. If it is determined in step S42 that a notification broadcast event has occurred, the process proceeds to step S43, and the corresponding notification broadcast process is executed.

  Subsequently, in step S44, the presence / absence of a monitoring event detected by the house alarm processing unit 172 is checked. When the monitoring event is detected, the process proceeds to step S45, and processing corresponding to the detected event is executed.

  Subsequently, in step S46, it is checked whether or not a monitoring event signal has been received from another residential police device. If it is determined that a monitoring event signal has been received, the process proceeds to step S47, and processing corresponding to the received event is executed.

  Here, the details of the detected event handling process in step S45 are the same as those in the flowchart of FIG. The details of the received event handling process in step S47 are the same as those in the flowchart of FIG. As with the emergency broadcast reception, the alarm output of the notification broadcast receiver 100 in the detection event response processing and the reception event response processing outputs an alarm sound at the maximum volume regardless of the adjustment volume at that time.

  FIG. 12 is a block diagram showing another embodiment of the notification broadcast receiver 100 shown in FIG. 3. FIG. 12 shows that the sensor section 160 provided in the notification broadcast receiver 100 in the embodiment of FIG. 10 is omitted. Different from the tenth embodiment.

  12, the notification broadcast receiver 100 includes a processor 150, a wireless communication unit 158, a memory 162, a transmission circuit unit 152, a notification unit 154, and an operation unit 156. The processor 150 is realized by executing a program. As functions, a notification broadcast processing unit 170 and a house alarm processing unit 172 are provided.

  With the removal of the sensor unit 160 provided in the embodiment of FIG. 10, the house alarm processing unit 172 provided in the processor 150 discriminates the monitoring event detection in steps S44 and S45 shown in the flowchart of FIG. 11. Processing excluding detection event response processing at the time, that is, notification broadcast processing when the notification event occurrence is determined in step S42 and step 43, and reception event response processing when the monitoring event signal reception is determined in step S46 and step S47 Will do. Other configurations and operations are the same as those in the embodiment of FIG.

  In the above-described embodiment, the notification broadcast receiver is provided with a sensor unit to detect an abnormality such as a fire by itself and perform an alarm as a link source. However, the notification broadcast receiver is provided with a sensor unit. Alternatively, a configuration may be adopted in which an event signal indicating a fire is received from the home alarm and a warning indicating the interlocking destination is issued.

  In addition, the above embodiment is an example of a residential alarm and a notification broadcast receiver for detecting and alarming a fire, but an alarm including a gas leak alarm, a CO alarm, and various crime prevention alarms. The same applies to the system.

  In addition, the flowcharts in the above-described embodiments have described a schematic example of processing, and the order of processing is not limited to this. Further, it is possible to provide a delay time between each process or between processes, insert another determination, or the like.

  In addition, “reception is received”, “no reception”, “when received”, “determination of reception”, etc., as described in the above embodiment, also determine whether the received signal is recognized as valid. Contains.

  Further, the above-described embodiment is applicable not only to residential use but also to various types of alarm devices such as buildings and offices.

  In the above embodiment, the alarm unit is provided with the sensor unit and the alarm output processing unit as an example. However, as another embodiment, the alarm unit has a separate sensor unit and alarm output processing unit. There may be.

The present invention is not limited to the above-described embodiments, includes appropriate modifications that do not impair the objects and advantages thereof, and is not limited by the numerical values shown in the above-described embodiments.

10-1 to 10-3: House alarm 12: Cover 14: Main body 15: Mounting hook 16: Smoke detector 18: Sound hole 20: Alarm stop switch 22: LED
24: House 26: Garage 28, 150: Processor 31, 118: Antenna 30, 158: Wireless communication unit 32, 162: Memory 34, 160: Sensor unit 36, 154: Notification unit 38, 156: Operation unit 40: Battery power supply 42, 164: transmission circuit 44, 166: reception circuit 46: event signal 48: serial number 50: transmission source code 52: group code 54: event code 58: speaker 60: event detection unit 62: transmission processing unit 64: reception processing Unit 66: Alarm processing unit 68: Alarm stop unit 100: Notification broadcast receiver 102: Power lamp 104: Emergency broadcast lamp 106: General broadcast lamp 108: Radio reception switch 110: Notification playback switch 112: Alarm stop switch 114: Volume adjustment Dial 116: Sound hole 120: CATV station 122: CATV headend 124: Notification broadcast center Bei 126: sub center facilities 128: coaxial cable 130: optical fiber cable 152: transmission circuit 170: notification broadcast processing unit 172: home alarm processing unit

Claims (7)

An abnormality is detected and an alarm indicating the interlocking source is output, and an abnormality detection signal is wirelessly transmitted to another alarm device, while an abnormality detection signal from another alarm device is received and an alarm indicating the interlocking destination is output. One or more alarm devices;
A notification broadcast receiver that receives and outputs a notification broadcast signal transmitted from an external broadcast facility via a transmission line, receives an abnormality detection signal from the alarm device, and outputs an alarm indicating a link destination; and
An alarm system characterized by providing.
2. The alarm system according to claim 1, wherein the notification broadcast receiver outputs an alarm indicating an interlocking source by detecting an abnormality and wirelessly transmits an abnormality detection signal to the alarm device. .
The alarm system according to claim 1, wherein the alarm device comprises:
A sensor unit that detects and outputs a physical phenomenon in the monitoring area;
A notification unit that outputs an abnormal alarm by an alarm sound and an alarm display;
An operation unit including an operation means for stopping the alarm;
An event detection unit for detecting an event including presence or absence of abnormality by the detection output of the sensor unit and a stop operation by the operation unit;
A transmission processing unit that transmits an event signal indicating an event detected by the event detection unit to another alarm device and the notification broadcast receiver;
A reception processing unit for receiving an event signal from another alarm device or the notification broadcast receiver;
When an abnormality is detected by the event detection unit, an abnormality alarm indicating an interlocking source is output from the notification unit, and an event signal indicating the abnormality is transmitted to another alarm device, while another alarm device or the notification broadcast is transmitted. When receiving an event signal indicating an abnormality from the receiver, an alarm processing unit that outputs an abnormality alarm indicating a linkage destination from the notification unit; and
An alarm stop unit for stopping an alarm when detecting an alarm signal indicating an alarm stop from the own alarm stop operation or other alarm device or the notification broadcast receiver during the output of an abnormal alarm;
An alarm system characterized by comprising:
2. The alarm system according to claim 1, wherein the notification broadcast receiver comprises:
A notification unit that outputs an abnormal alarm by an alarm sound and an alarm display;
An operation unit including an operation means for stopping the alarm;
An event detection unit for detecting an event including a stop operation by the operation unit;
A transmission processing unit for transmitting an event signal indicating an event detected by the event detection unit to the alarm device;
A reception processing unit for receiving an event signal from the alarm device;
When receiving an event signal indicating an abnormality from the alarm device in the reception processing unit, an alarm processing unit that outputs an abnormality alarm indicating a linkage destination from the notification unit;
An alarm stop unit for stopping an alarm when detecting an own alarm stop operation or receiving an event signal indicating an alarm stop from the alarm device during output of an abnormal alarm;
An alarm system characterized by comprising:
3. The alarm system according to claim 2, wherein the notification broadcast receiver includes:
A sensor unit that detects and outputs a physical phenomenon in the monitoring area;
A notification unit that outputs an abnormal alarm by an alarm sound and an alarm display;
An operation unit including an operation means for stopping the alarm;
An event detection unit for detecting an event including presence or absence of abnormality by the detection output of the sensor unit and a stop operation by the operation unit;
A transmission processing unit for transmitting an event signal indicating an event detected by the event detection unit to the alarm device;
A reception processing unit for receiving an event signal from the alarm device;
When an abnormality is detected by the event detection unit, an abnormality alarm indicating an interlocking source is output from the notification unit, and an event signal indicating abnormality is transmitted to the alarm device, while an event signal indicating abnormality from the alarm device An alarm processing unit that outputs an abnormal alarm indicating a linkage destination from the notification unit,
An alarm stop unit for stopping an alarm when detecting an own alarm stop operation or receiving an event signal indicating an alarm stop from the alarm device during output of an abnormal alarm;
An alarm system characterized by providing.
6. The alarm system according to claim 4, wherein the alarm processing unit of the notification broadcast receiver transmits an event signal indicating an abnormality to an upper system provided on an external broadcasting facility side through the transmission line. An alarm system characterized by alarming.
  6. The alarm system according to claim 4, wherein the alarm processing unit of the notification broadcast receiver transmits the notification broadcast information to the alarm device and outputs the sound.

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