JP5080110B2 - Residential fire alarm - Google Patents

Description

The present invention relates to a residential fire alarm that outputs a voice message as an alarm when a fire is detected.

  Conventionally, residential fire alarms have a fire detection unit that determines that a fire has occurred when the room temperature becomes abnormally high, or when the indoor smoke concentration exceeds a specified value. It has an alarm function that flashes the light and notifies the surroundings that a fire has occurred in an acoustic device such as an alarm buzzer.

There has also been proposed a residential fire alarm that has a plurality of alarm contents corresponding to locations in a house such as a bedroom, a kitchen, and a living room, and the alarm contents can be changed by selection (see Patent Document 1).
JP 2003-44955 A

  However, since conventional fire alarms for homes provide a warning with a fixed alarm content when a fire breaks out, the location of the fire must be determined by searching for a sound source.

  In addition, by connecting home fire alarms installed in multiple locations to each other, when any home fire alarm detects a fire, all home fire alarms will issue an alarm. In the case of a fire, an alarm is sounded at various places where fire alarms for houses are installed in the event of a fire, making it difficult for residents to immediately grasp the location of the fire.

  In the residential fire alarm of Patent Document 1, the alarm contents provided in advance are limited to general ones, and all locations are specified in various types of houses, and the fire occurrence location is accurately represented and alarmed. It hasn't been done yet.

An object of the present invention is to provide a fire alarm for a house that makes it easy to identify a fire occurrence place when a fire occurs by alarming with a content suitable for the installation place.

  In order to achieve this object, the present invention is configured as follows. First, a residential fire alarm device according to the present invention includes a fire determination unit that detects a fire by detecting smoke or heat due to a fire, a storage unit that previously stores fixed voice data of a fixed message having a predetermined alarm content, and a voice The recording unit that converts the audio signal of the input alarm message into a digital signal and stores it in the storage unit as recorded audio data, and whether the recorded audio data is stored in the storage unit when a fire is detected by the fire detection unit If it is stored, the recorded voice data is output. If not, the alarm control unit that outputs the fixed voice data, and the recorded voice data or the fixed voice data output by the alarm control unit are analog. An alarm output unit that converts the signal into an audio signal and outputs an audio alarm message.

Further, the residential fire alarm device of the present invention transmits a transfer signal including recorded audio data or fixed audio data output by the alarm control unit to another residential fire alarm device when a fire is determined by the fire determination unit. When receiving a transfer signal including recorded voice data or fixed voice data from another residential fire alarm device, the alarm output unit outputs a voice warning message of the received recorded voice data or the received fixed voice data . A transfer section will be provided.

Here, the transfer unit is connected to other residential fire alarms by wired or wireless lines.

  According to the present invention, when installing a fire alarm for a house, by recording a warning message suitable for the installation location, the location of the fire can be easily identified when there is a fire alarm. Will be able to respond quickly to evacuation, initial fire extinguishing, rescue, etc. by hearing the fire alarm.

  In addition, even in a configuration where multiple residential fire alarms are interconnected, the recorded voice data stored by the fire alarm for the house that detected the fire is transmitted to the other fire alarms for all the houses. The fire alarm can be accurately identified from anywhere in the house by using a sound alarm message sent and received from the fire alarm for the fire.

Furthermore, by sharing the recorded voice data stored in each residential fire alarm with all the interconnected residential fire alarms, the storage capacity for voice data is not related to the number of connected units. A fire alarm system using residential fire alarms can be constructed easily and at low cost.

  FIG. 1 is an explanatory view showing the appearance of an embodiment of a residential fire alarm according to the present invention, FIG. 1 (A) is a front view showing the installed state, and FIG. 1 (B) is a perspective view thereof. It is.

  The fire alarm 10 for a house is composed of a main body 12 and a cover 14, and is attached to a wall surface of an arbitrary room in the house by an attachment portion 16 positioned at the upper part of the main body 12. The cover 14 protrudes in a dish shape at the center, and a smoke inlet 18 is opened around the cover 14.

  Inside the cover 14 provided with the smoke inlet 18, a smoke chamber is incorporated as a fire detection unit, and smoke from the fire flows into the chamber through the smoke inlet 18 and is scattered with a light emitting element and a light receiving element. The smoke from the fire is detected by the optical smoke detector.

  An acoustic hole 20 is provided on the lower left side of the cover 14, and an audio alarm output speaker is accommodated in the interior corresponding to the acoustic hole 20. An indicator lamp 22 is provided on the lower right side of the cover 14, and a stop button 24 that is cantilevered by a U-shaped cutout is formed between the acoustic hole 20 and the indicator lamp 22. Has a built-in alarm stop switch used to stop the alarm.

  A sound collecting hole 26 is provided on the upper left side of the cover 14, and a sound recording microphone is accommodated inside the sound collecting hole 26. A recording button 28 that is cantilevered by a U-shaped cutout is formed between the acoustic hole 20 and the sound collection hole 26, and a recording operation switch used for recording operation is incorporated in the recording button 28. .

  FIG. 2 is a block diagram showing a circuit configuration of an embodiment of a residential fire alarm according to the present invention. In FIG. 2, the residential fire alarm 10 of the present invention includes a battery 30, a noise absorber 32, a fire detector 34, a controller 36, an audio input unit 46, an alarm output unit 52, an indicator lamp unit 58, and an alarm stop switch. 60 and a voltage drop detection unit 62.

  The battery 30 supplies power to the residential fire alarm 10, and the noise absorber 32 stabilizes the circuit voltage supplied from the battery 30.

  The control unit 36 includes a fire determination unit 38, a recording unit 40, a storage unit 42, and an alarm control unit 44, and samples the fire detection unit 34 at a predetermined timing, for example, a 10-second cycle by executing the program. Make a fire judgment.

  Further, the control unit 36 performs lighting control of the indicator lamp unit 58, alarm stop by the alarm stop switch 60, power supply voltage monitoring by the voltage drop detection unit 62, and the like.

  The fire detection by the fire detection unit 34 may be smoke detection or heat detection. However, when performing the smoke detection according to the present embodiment, the fire detection unit 34 includes a light emitting element and a light receiving element, and a pulse signal from the control unit 36. The light emitted from the light emitting element, for example, the infrared light emitting diode, is emitted, and the light irradiated by the driving of the infrared light emitting diode is reflected by the smoke, is incident on the light receiving element, for example, the photodiode, and converted into a photocurrent, Furthermore, it converts into a voltage signal and outputs it to the fire determination part 38. FIG.

  The fire determination unit 38 periodically acquires a signal level from the light receiving element of the fire detection unit 34 to determine a fire, but outputs an alarm when a fire is determined twice in succession to prevent false alarms. If the fire is not judged twice consecutively, the alarm is stopped.

  The recording unit 40 converts the audio signal of the alarm message input from the audio input unit 46 into a digital signal and stores it in the storage unit 42 as recorded audio data.

  The storage unit 42 includes, for example, a ROM and a RAM, and fixed voice data of a fixed message having a predetermined alarm content written in advance in the ROM when the residential fire alarm 10 is activated and the control unit 36 starts processing. Are transferred to the RAM. The fixed voice data stored in the RAM is set so as not to be overwritten. When the recorded voice data is newly input from the recording unit 40, the fixed voice data is added as it is.

  FIG. 3 is a table of audio data stored in the RAM of the storage unit 42 shown in FIG. 3A and 3B, ID “1” is a data area in which data relating to a preset fixed message is stored, and ID “2” is a data area in which data relating to a recorded message is stored. . The voice data string stores fixed voice data and recorded voice data, respectively, and the storage status string indicates whether or not the voice data can be used for voice alarm. “0” is not possible and “1” is possible. . The overwrite column indicates whether or not the audio data can be overwritten. “0” is not possible and “1” is possible.

  In the case of Fig. 3 (A), the fixed message can be used as fixed voice data, "Uu ~ u ~ is a fire, it is a fire", can be overwritten, and the recorded voice data is not stored but can be overwritten. In the case of Fig. 3 (B), the fixed voice data is stored as in Fig. 3 (A), and the recorded message can be used as the recorded voice data "The kitchen on the second floor is a fire" And can be overwritten and stored.

  The recorded message is preferably an alarm message including a name that makes it easy to specify the location where the residential fire alarm is installed, but can be recorded by the resident who is the installer of the residential fire alarm with any content.

  Referring to FIG. 2 again, when the fire determination unit 38 determines a fire, the alarm control unit 44 determines whether or not the recorded voice data is stored in the storage unit 42. Data is output, and if not stored, fixed voice data is output.

  Specifically, the alarm control unit 44 determines the storage state of the storage unit 42, and when there is no recorded voice data shown in FIG. Repeatedly outputs to the alarm output unit 52. In addition, when there is recorded voice data shown in FIG. 3B, the recorded voice data is repeatedly output to the alarm output unit 52 as “the kitchen on the second floor is a fire”.

  In addition, as the recorded audio data, “Uu ~ u ~ the kitchen on the second floor is a fire” combined with the sweeping sound “u ~ u ~” in the fixed audio data should be stored and output. Also good.

  When the alarm output unit 52 receives the output of the audio data from the alarm control unit 44, the alarm output unit 52 converts the audio data into an analog audio signal, and outputs the alarm message amplified by the amplification unit 54 through the speaker 56.

  The voice input unit 46 includes a recording operation switch 48 and a microphone 50. The recording operation switch 48 is activated by pressing the recording button 28 shown in FIG.

  FIG. 4 is a flowchart showing a procedure for recording an alarm message by the voice input unit 46 shown in FIG. First, when the recording button 28 shown in FIG. 1 is pressed to receive a signal from the recording operation switch 48, the processing unit 36 starts recording processing. If you want to listen to the recorded message twice, press the record button twice in succession. "

  In step S2, the number of times the recording button 28 is pressed, that is, the number of signals from the recording operation switch 48 is determined. If the recording button 28 is pressed once, the process proceeds to step S3. If the recording button 28 is pressed twice or more, the process proceeds to step S6. If the recording button 28 cannot be pressed after a predetermined time, the recording button 28 is determined to be a recording start instruction. Proceed to S3.

  In step S3, a recording guidance is output from the speaker 56, for example, "Message will be recorded for 10 seconds. Please give me a message if a beeping sound is heard." After outputting a dialing sound from the speaker 56 in step S4 Recording of the alarm message input to the microphone 50 is started, and after 10 seconds, the recording is ended and a dial tone is output.

  Next, it is determined whether or not the recording is normally performed in step 5, for example, whether or not the sound pressure level of the stored recording voice data has reached a predetermined value. If the recording voice data is normal, the process proceeds to step S6.

  In step S6, a playback guidance is output from the speaker 56, for example, "If you want to listen to a recorded message, press the record button once, and if it ends, press the record button twice." The number of times of pressing is determined. If the recording button 28 is pressed twice or more, the recording process is terminated. If the recording button 28 is pressed once or if the recording button 28 cannot be pressed after a predetermined time, it is determined as a reproduction instruction and the process proceeds to step S8. In step S8, the recorded voice data stored in the storage unit 42 is converted into a voice message by the alarm output unit 52 and output from the speaker 56.

  Subsequently, in step S9, a re-recording guidance is output from the speaker 56, for example, “When recording is finished, press the recording button once, and when recording a message again, press the recording button twice.” The number of times the recording button 28 is pressed is determined. If the recording button 28 is pressed twice or more, it is determined as a re-recording instruction, and the process proceeds to step S3. If the recording button 28 is pressed once and the recording button 28 cannot be determined after a predetermined time, the recording process is terminated.

  Referring again to FIG. 2, the indicator lamp unit 58 receives the output when the fire determination unit 38 determines a fire and drives the LED as the indicator lamp 22 shown in FIG. 1 to emit light.

  The alarm stop switch 60 is actuated by pressing the stop button 24 shown in FIG. 1, and when the alarm stop switch 60 is actuated, the control unit 36 is activated by a voice alarm by the alarm output unit 52 and the indicator lamp unit 58 for a predetermined time, for example, 6 minutes. The light emission of the indicator lamp 22 is stopped.

  The voltage drop detection unit 62 monitors the power supply voltage, and when the detected voltage drops below a predetermined voltage, the control unit 36 blinks the LED of the indicator lamp 22 and from the speaker 56 at a predetermined cycle, for example, a cycle of 40 seconds. Sound a warning sound.

  FIG. 5 is a flowchart showing a processing procedure of the embodiment shown in FIG. First, when the residential fire alarm 10 is turned on, the control unit 36 starts processing, and in step S1, the fire detection unit 34 is driven at a predetermined cycle, for example, a 10 second cycle. A signal is output to the fire determination unit 38.

  The fire determination unit 38 acquires the signal level of the fire detection signal received from the fire detection unit 34 in step S2, determines whether or not smoke has been detected based on the signal level in step S3, and determines smoke detection. Then, it progresses to step S4.

  In step S4, the alarm control unit 44 determines whether there is recorded voice data in the storage unit 42. If there is recorded voice data, the alarm control unit 44 acquires the recorded voice data from the storage unit 42 in step S5, and there is no recorded voice data. In this case, the fixed voice data is acquired from the storage unit 42 in step S6.

  Next, the alarm control unit 44 outputs the acquired audio data to the alarm output unit 52 in step S7, and the alarm output unit 52 converts the audio data into an analog audio signal, which is amplified by the amplifying unit 54 and output from the speaker 56. .

  Subsequently, in step S8, the alarm stop switch 60 is operated to determine whether or not an alarm stop instruction has been issued. If there is an alarm stop instruction, the process proceeds to step S9 and the alarm is stopped for a predetermined time. It is determined whether or not there is an instruction to stop the fire alarm device 10 and if there is an instruction to stop, the power is turned off and the fire alarm device 10 ends its operation.

  FIG. 6 shows another embodiment of a residential fire alarm according to the present invention, which has a circuit configuration of a system including a transmission unit that transmits and receives a transmission signal including audio data to and from other residential fire alarms. It is the block diagram shown, and it is the same structure except having added the transfer part 64 and the transfer connectors 66a and 66b with respect to embodiment of the residential fire alarm by this invention shown in FIG.

  The transfer unit 64 is connected to other residential fire alarms by a wired line or a wireless line, and in this embodiment, includes a wired line transfer connector 66a, 66b.

  When the fire determination is made by the fire determination unit 38, the transfer unit 64 is connected to the transfer connectors 66a and 66b with a transfer signal including audio data from the alarm control unit 44. When it is transmitted to the alarm device and a transfer signal including audio data is received from another fire alarm for homes, the audio data is output to the alarm output unit 52.

  When the alarm output unit 52 receives the output of the audio data from the transfer unit 64, the alarm output unit 52 converts it into an analog audio signal, and repeats the alarm message amplified by the amplifying unit 54 at the speaker 56.

  FIG. 7 is a flowchart showing the processing procedure of the other embodiment shown in FIG. 6, and is the same as the flowchart shown in FIG. 5 except for the processing procedure of steps S4, S8, and S9. First, when the residential fire alarm 10 is turned on, the control unit 36 starts processing, and in step S1, the fire detection unit 34 is driven at a predetermined cycle, for example, a 10 second cycle. A signal is output to the fire determination unit 38.

  The fire determination unit 38 acquires the signal level of the fire detection signal received from the fire detection unit 34 in step S2, determines whether or not smoke has been detected based on the signal level in step S3, and determines smoke detection. Then, it progresses to step S5.

  In step S5, the alarm control unit 44 determines whether there is recorded voice data in the storage unit 42. If there is recorded voice data, the alarm control unit 44 acquires the recorded voice data from the storage unit 42 in step S6, and there is no recorded voice data. In this case, the fixed voice data is acquired from the storage unit 42 in step S7.

  Next, in step 9, a transmission signal including recorded audio data or fixed audio data is transmitted from the transfer unit 64, and further, the recorded audio data or fixed audio data is output to the alarm output unit 52.

  If it is determined in step S3 that smoke has not been detected, the process proceeds to step S4, where it is determined whether or not the transfer signal is received by the transfer unit 64. If received, the voice data is transmitted from the transfer unit 64 in step S8. Is output to the alarm output unit 52.

  Next, the alarm control unit 44 outputs the acquired audio data to the alarm output unit 52 in step S10, and the alarm output unit 52 converts the audio data into an analog audio signal, which is amplified by the amplifying unit 54 and output from the speaker 56. .

  Subsequently, in step S11, the alarm stop switch 60 is operated to determine whether or not an alarm stop instruction has been issued. If there is an alarm stop instruction, the process proceeds to step S12 to stop the alarm for a predetermined time. It is determined whether or not there is an instruction to stop the fire alarm device 10 and if there is an instruction to stop, the power is turned off and the fire alarm device 10 ends its operation.

The present invention is not limited to the above embodiment, includes appropriate modifications without impairing the object and advantages thereof, and is not limited by the numerical values shown in the above embodiment.

Explanatory drawing which showed the external appearance of embodiment of the fire alarm for houses by this invention The block diagram which showed the circuit structure of embodiment of the fire alarm for houses by this invention Table of audio data stored in the storage unit shown in FIG. The flowchart which shows the recording operation procedure of the alarm message by the audio | voice input part shown in FIG. The flowchart which shows the process sequence of embodiment of the residential fire alarm by this invention. The block diagram which showed the circuit structure of other embodiment of the residential fire alarm by this invention The flowchart which shows the process sequence of other embodiment of the fire alarm for houses by this invention.

Explanation of symbols

10: Fire alarm 12 for house 12: Body 14: Cover 16: Mounting portion 18: Smoke inlet 20: Sound hole 22: Indicator light 24: Stop button 26: Sound collection hole 28: Recording button 30: Battery 32: Noise absorption Unit 34: fire detection unit 36: control unit 38: fire determination unit 40: recording unit 42: storage unit 44: alarm control unit 46: voice input unit 48: recording operation switch 50: microphone 52: alarm output unit 54: amplification unit 56: Speaker 58: Indicator lamp unit 60: Alarm stop switch 62: Voltage drop detection unit 64: Transfer unit 66a, 66b: Transfer connector

Claims (2)

A fire determination unit that detects smoke or heat from a fire and determines a fire; and
A storage unit that stores in advance fixed voice data of a fixed message having a predetermined alarm content;
A sound recording unit that converts a sound signal of an alarm message input by sound into a digital signal and stores the sound signal as sound recording data in the storage unit;
When the fire determination unit determines a fire, it determines whether or not the recorded voice data is stored in the storage unit, and outputs the recorded voice data if stored, and if not stored An alarm control unit for outputting the fixed voice data;
An alarm output unit that outputs the audio alarm message by converting the recorded audio data or the fixed audio data output by the alarm control unit into an analog audio signal;
When the fire determination unit determines a fire, the alarm signal is output from the alarm control unit to the other house fire alarm device that transmits the transfer signal including the recorded voice data or the fixed voice data. A transfer unit for outputting the received recording voice data or a voice warning message of the received fixed voice data to the alarm output unit when receiving a transfer signal including the recorded voice data or fixed voice data from the alarm device; ,
A fire alarm for a house characterized by comprising
2. The residential fire alarm device according to claim 1 , wherein the transfer section is connected to another residential fire alarm device by a wired line or a wireless line.

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