JPH0944766A - Fire sensor and alarm for house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire sensor and an alarm capable of recognizing the fire sensor, which has detected the occurrence of a fire, and quickly taking the countermeasure therefor. SOLUTION: This fire sensor provided with a detection part 6 which detects the occurrence of a fire by the change of prescribed physical quantities in a detection area, an alarm part 2 which is sounded at the time of detecting a fire by the detection part, and an input/output part 3b which outputs a fire detection signal to an external signal line L1 at the time of detecting a fire by the detection part, is provided with a discrimination number setting part 7 which sets its own discrimination number. When the detection part detects a fire, the input/output part 3b outputs the fire direction signal, to which this discrimination signal is added, to the external signal line.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a residential fire detector and alarm used in a home or the like.

[0002]

2. Description of the Related Art A conventional residential fire detector and alarm will be described with reference to FIG. FIG. 4 is a block diagram showing a configuration of a residential fire detector and an alarm device.

Conventionally, in a fire alarm system for a large-scale building such as a building, a sensor for detecting a fire and an alarm device for informing a resident of a fire have been separated and have different roles. On the other hand, in the fire detector for a house, an alarm device sounds and the fire sensor for a house itself also sounds.

In FIG. 4, a residential fire detector A is composed of a detection unit 1, an alarm unit 2 and an input / output unit 3a.

The detection unit 1 detects the occurrence of a fire based on a change in a predetermined physical quantity such as smoke density or temperature, and upon detection, outputs a detection signal S1 to the alarm unit 2 and the input / output unit 3a.

When the alarm unit 2 receives the detection signal S1 from the detection unit 1 or the fire detection signal S2 from the input / output unit 3a,
Sounds to notify residents that a fire has occurred.

The input / output unit 3a receives the detection signal S from the detection unit 1.
When 1 is received, the fire detection signal S2 is transmitted to the alarm device B and other home fire detectors A through the external signal line L1. In addition, fire detection signal S from other home fire detector A
When 2 is received, the fire detection signal S2 is output to the alarm unit 2.

Next, the alarm device will be described. In FIG. 4, the alarm device B is composed of an input / output unit 4 and an alarm unit 5.

Upon receiving the fire detection signal S2 from the residential fire detector A, the input / output unit 4 outputs the fire detection signal S2 to the alarm unit 5.

When the alarm unit 5 receives the fire detection signal S2 from the input / output unit 4, the alarm unit 5 sounds to notify a resident or the like of the occurrence of the fire.

Next, the operation of the residential fire detector A and the alarm B configured as described above will be described.

When the detection unit 1 of the residential fire detector A detects a fire from smoke in the room, the detection signal S1 is output to the alarm unit 2 and the input / output unit 3a. When the alarm unit 2 receives the detection signal S1, it sounds to notify a resident or the like of the occurrence of a fire. On the other hand, when the input / output unit 3a receives the detection signal S1,
Fire detection signal S2 is used for other residential fire detector A and alarm B
When the fire detection signal S2 is received by both the other home fire detector A and the alarm device B, the other home fire detectors A and B sound to notify the occupants of the occurrence of the fire.

[0013]

However, in the residential fire detector and alarm as shown in FIG. 4 described above, the residential fire detector detects a fire and sounds, and other homes are activated. Even if the fire alarm and alarm for home use also sound, the resident cannot know where the home fire detector installed by the sound detected the fire.

Therefore, it is necessary to first confirm the location of the fire before taking countermeasures against the occurrence of fire such as evacuation and extinguishing. There was a problem that it took some time.

The present invention has been made in order to solve the above problems, and the purpose thereof is to be able to know a residential fire detector that has detected the occurrence of a fire, and to take quick countermeasures. The object is to provide a fire detector and alarm for homes that can be used.

[0016]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a detection unit for detecting the occurrence of a fire based on a change in a predetermined physical quantity in a detection area. In a residential fire detector having an alarm unit that sounds when the detection unit detects a fire and an input / output unit that outputs a fire detection signal to an external signal line when the detection unit detects a fire,
It is characterized in that an identification number setting unit for setting its own identification number is provided, and the input / output unit outputs a fire detection signal with its own identification signal added to an external signal line when the detection unit detects a fire. .

According to another aspect of the present invention, in an alarm device having an alarm unit that sounds when a fire detection signal is received from an external signal line, an identification number recognition unit that recognizes the identification number added to the fire detection signal. And an identification number notification section for displaying the identification number.

The invention according to claim 3 is characterized by comprising an identification number recognition section for recognizing the identification number added to the fire detection signal, and an identification number notification section for displaying the identification number. To do.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. FIG. 1 is a block diagram showing a configuration of a residential fire detector and an alarm device. FIG. 2 is an explanatory diagram of waveforms of signals output from the fire detector for a house. FIG. 3 is a front view of the exterior of a residential fire detector and an alarm device. In addition, in the embodiment of the present invention, it is assumed that ten residential fire detectors are connected.

In FIG. 1, A is a residential fire detector and B is a fire detector.
Represents an alarm. The residential fire detector A detects a fire in the vicinity of the installation location, and includes a detection unit 6, an alarm unit 2, an input / output unit 3b, an identification number setting unit 7, an identification number recognition unit 8, and an identification number notification unit 9. It is configured to include.

The identification number setting section 7 is used for the home fire detector A.
It is used to set the identification number and is composed of a DIP switch or the like. The identification numbers are set separately for all 10 home fire detectors A.

The detection section 6 detects the occurrence of a fire, and upon detection, outputs a detection signal S3 to the alarm section 2 and the input / output section 3b. The identification number set by the identification number setting unit 7 is output to the identification number notification unit 9.

When the alarm unit 2 receives the detection signal S3 from the detection unit 6 or the fire detection signal S4 from the input / output unit 3b,
Sounds to notify residents that a fire has occurred.

The input / output unit 3b receives the detection signal S from the detection unit 6.
When 3 is received, the fire detection signal S4 is transmitted to the alarm B and the other home fire detector A through the external signal line L1. In addition, fire detection signal S from other home fire detector A
When 4 is received, a fire detection signal is output to the alarm unit 2 and the identification number recognition unit 8.

The input / output unit 3b constantly outputs a signal having a waveform as shown in FIGS. 2 (a) and 2 (b) in a normal state in which no fire is detected, and the signal is output in 1 second. It is one cycle, and the first 500 ms is High. Next 500ms
Is 10 residential fire detectors A, so divide it into 10 equal parts and 2
5 ms Low and 25 ms High are repeated 10 times, and the Low portion at the set number of identification numbers is set to High. For example, FIG. 2A shows the waveform of the signal output from the residential fire detector A in which the identification number 3 is set.
The second Low is High, and Fig. 2 (b) is the waveform of the signal output from the residential fire detector A with the identification number 2 set, so the second Low is High. . Therefore, the residential fire detector A with the second identification number and the residential fire detector A with the third identification number are in the normal state, and if the above-mentioned signal is output, the signals are combined and A signal in which the third and third signals are High is input to the alarm device B. Therefore, there are 10 residential fire detectors A, and each has an identification number set from "1" to "10".
If all 0 units are in the normal state, all the signals input to the alarm device B are High signals, as shown in FIG.

Then, the input / output unit 3b causes the fire detection signal S4.
Specifically, to output the
It means to set the High part to Low. For example, FIG.
The second High level of the signal output from the residential fire detector A for which the identification number No. 2 in (b) is set is set to Low as shown in FIG. 2 (d). Therefore, the residential fire detector A10
When the residential detector A with the second identification number outputs the fire detection signal S4 when all the units are in the normal state, FIG.
As shown in, only the second signal input to the alarm device B is a low signal.

The identification number recognition unit 8 checks the waveform of the fire detection signal of the other home fire detector A received from the input / output unit 3b for the position where High is Low and outputs the fire detection signal. For the identification number of the fire detector A for home
The identification number is output to the identification number notification unit 9.

As shown in FIG. 3A, the identification number notification section 9 has ten LEDs 12 as a display section,
When the identification number is received from the detection unit 6 or the identification number recognition unit 8, the LED 12 corresponding to the identification number is caused to emit light.

On the other hand, the alarm device B sounds when the residential fire sensor A detects a fire, and includes an input / output unit 4, an alarm unit 5, an identification number recognition unit 10 and an identification number notification unit 11. It is configured. The power source is fire detector A for home.
Supplied from

When the input / output unit 4 receives the fire detection signal S4 from the residential fire detector A, it outputs the fire detection signal S4 to the alarm unit 5 and the identification number recognition unit 10.

When the alarm unit 5 receives the fire detection signal S4 from the input / output unit 4, the alarm unit 5 sounds to notify a resident or the like of the occurrence of the fire.

The identification number recognizing unit 10 receives the fire detection signal S4 from the other home fire detector A received from the input / output unit 3b.
The position where High is Low is checked from the waveform of, and the identification number of the residential fire detector A that has output the fire detection signal is obtained, and the identification number is output to the identification number notification unit 11.

As shown in FIG. 3B, the identification number notification unit 11 has ten LEDs 13 as a display unit. When the identification number is received from the identification number recognition unit 10, the LED 13 corresponding to the identification number. Light up.

Next, the operation of the residential fire detector A and the alarm B configured as described above will be described when the residential fire detector with the identification number "2" detects a fire.

When the detection unit 6 of the residential fire detector A with the identification number "2" detects a fire from indoor smoke or the like, the detection signal S3 is output to the alarm unit 2 and the input / output unit 3b, and the identification is performed. The identification number “2” set by the number setting unit 7 is output to the identification number notification unit 9. The identification number notification unit 9 receives the identification number "2", and first, the LE corresponding to the identification number "2" is received.
Turn on D12. When the alarm unit 2 receives the detection signal S3, it sounds to notify the occupants and the like of the occurrence of the fire. On the other hand, when the input / output unit 3b receives the detection signal S3, the input / output unit 3b transmits the fire detection signal S4 to the other residential fire detector A and the alarm device B.

In another residential fire detector A, the input / output unit 3
When b receives the fire detection signal S4, the input / output unit 3b outputs the fire detection signal S4 to the identification number recognition unit 8 and the alarm unit 2, and the alarm unit 2 sounds. The identification number recognition unit 8 of the other home fire detector A that receives the fire detection signal S4 obtains the identification number "2" of the home fire detector that outputs the fire detection signal S4 from the waveform of the fire detection signal S4. Then, the identification number “2” is output to the identification number notification unit 9. Therefore, the identification number notification unit 9 of the other home fire detector A also has the identification number "2".
Is received and the corresponding LED 12 is turned on.

In the alarm device B, when the input / output unit 4 receives the fire detection signal S4, the input / output unit 4 receives the fire detection signal S4.
4 is output to the identification number recognition unit 10 and the alarm unit 5, and the alarm unit 5 sounds. Alarm B that received the fire detection signal S4
The identification number recognizing unit 10 determines the identification number "2" of the home fire detector that has output the fire detection signal from the waveform of the fire detection signal S4, and outputs the identification number "2" to the identification number notification unit 1
Output to 1. Therefore, the identification number notification unit 11 of the alarm device B
Also receives the identification number “2” and turns on the corresponding LED 13.

Therefore, when the residential fire detector A with the identification number "2" detects a fire, the residential fire detector A, the other residential fire detectors A and the alarm B both ring and are identified. The LEDs 12 and 13 corresponding to the number "2" are turned on. Therefore, the resident or the like can know that the residential fire detector A having the identification number "2" has detected a fire.

In the embodiment of the present invention, 10 residential fire detectors A have been described, but the number is not limited to 10. In addition, the waveform of the fire detection signal alternates High and Low every 25 ms with a cycle of 1 second, but the length of the signal is not limited to these and consider the number of identification numbers to be set, etc. You can set it by turning it off. Further, the fire detection signal S4 may represent not only the identification number of the home fire detector that detected the fire but also other information. For example, in the embodiment of the present invention, the first 500 ms of the cycle of 1 second is high,
Information on the sensitivity level of the fire detection signal may be included in ms.

In the present embodiment, the identification number notification unit is described as an LED, but the identification number is not limited to the LED. For example, the identification number is read aloud or a tone color corresponding to the identification number is output. May be sounded. Alternatively, a liquid crystal display panel may be used to display the identification number.

[0041]

Since the residential fire detector and alarm of the present invention are configured as described above, in the invention of claim 1, the identification number setting section sets the own identification number. When the detection unit detects a fire, the input / output unit outputs the fire detection signal to which the set self-identification signal is added to the external signal line, so that the alarm device receiving the fire detection signal detects the occurrence of the fire. The present invention has an effect of providing a residential fire detector that can know the fire detector for a house.

In the second aspect of the invention, the identification number recognition section recognizes the identification number added to the fire detection signal,
Since the identification number notification unit displays the identification number, the resident or the like can know the residential fire detector that has detected a fire from the display of the identification number, and an alarm device that can quickly take countermeasures. The effect of being able to provide.

According to the third aspect of the invention, the identification number recognition section recognizes the identification number added to the fire detection signal,
Since the identification number notification unit displays the identification number, the resident etc. can know the fire detector for the house that has detected a fire from the display of the identification number and can take quick countermeasures. This has the effect of providing a fire detector.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a residential fire detector and an alarm device of the present invention.

FIG. 2 is an explanatory diagram of a waveform of a signal output from a residential fire detector.

FIG. 3 is a front view of the exterior of a residential fire detector and an alarm device.

FIG. 4 is a block diagram showing a configuration of a conventional home fire detector and an alarm device.

[Explanation of symbols]

 2 alarm unit 3b input / output unit 6 detection unit 7 identification number setting unit 8 identification number recognition unit 9 identification number notification unit 10 identification number recognition unit 11 identification number notification unit L1 external signal line

Claims (3)

[Claims] 1. A detection unit that detects the occurrence of a fire based on a change in a predetermined physical quantity in a detection area, an alarm unit that sounds when the detection unit detects a fire, and a fire detection signal that is an external signal when the detection unit detects a fire. In a residential fire detector that has an input / output unit that outputs to a line, an identification number setting unit that sets its own identification number is provided, and the input / output unit adds its own identification signal when the detection unit detects a fire. A residential fire detector that outputs a detection signal to an external signal line. 2. An alarm device having an alarm unit that sounds when a fire detection signal is received from an external signal line, and an identification number recognition unit that recognizes an identification number added to the fire detection signal.
An alarm device, comprising: an identification number notification unit that displays the identification number. 3. The house fire according to claim 1, further comprising: an identification number recognition section for recognizing the identification number added to the fire detection signal, and an identification number notification section for displaying the identification number. sensor.