JP4082367B2 - Residential fire alarm with test switch, residential additional fire alarm, and residential fire alarm system using these - Google Patents

Description

  The present invention relates to a residential fire alarm equipped with a fire operation test function and an improvement of a residential fire monitoring system using the fire alarm.

Conventional residential fire alarms are configured so that they are supplied with commercial power and the test switch is pushed down to perform operation tests. It was necessary to perform a test operation by pressing down the test switch. For this reason, the test operation is a laborious work that requires a lot of effort, and the frequency of the test operation is reduced.
However, since the operation test of the fire alarm is an important operation for confirming whether or not the normal operation can be performed at the time of an actual fire, it is desirable to simplify the operation and increase the frequency of implementation.

The following patent document discloses and proposes a function that can automatically and sequentially perform an operation test of a plurality of fire detectors without requiring manual operation.
JP 52-10699 A

However, the above technology is to operate the test switch of the fire alarm and perform the operation test of multiple connected detectors in sequence, and can be applied to a simple residential fire alarm used in a house etc. It wasn't.
Therefore, the present invention has been proposed in view of such circumstances, and even when a plurality of fire alarms are installed and used in a house or the like, the plurality of fire alarms for the house are used. The purpose is to provide a fire alarm system for homes that can automatically and sequentially perform the operation test in one operation, and a fire alarm system using the fire alarm system.

In order to achieve the above object, the following inventions are proposed as claims 1 to 3.
The residential fire alarm with a test switch according to claim 1 has a test switch, and a test circuit that sends a test signal to the fire detection circuit by operating the test switch, and the test circuit outputs the test signal. After a predetermined time has elapsed, a delay circuit for sending out a test relay signal, a message output terminal for outputting the test relay signal, and an internal power supply circuit are provided.
According to another aspect of the present invention, there is provided an additional fire alarm for a home that includes a transfer input terminal for receiving a test relay signal and a test circuit for receiving the test relay signal received through the transfer input terminal and transmitting the test signal to the fire detection circuit. A delay circuit for sending a test relay signal after a predetermined time has elapsed after the test circuit outputs a test signal, a transition output terminal for outputting the test relay signal from the delay circuit, an internal power supply circuit, It is provided with.
Further, in claim 3, a residential fire alarm system comprising at least one additional residential fire alarm according to claim 2 connected to the residential fire alarm with test switch according to claim 1 Has proposed.

Each of the present inventions proposed above has the following characteristics.
That is, the residential fire alarm with a test switch proposed in claim 1 includes a test switch and a test circuit, so that a fire operation test can be performed independently. If the residential additional fire alarm device described in 2 is connected, a test relay signal can be sent to the additional fire alarm device to perform a test operation.
The delay circuit that outputs the test relay signal has a predetermined delay time. If this delay time is set to the time until the fire test operation is confirmed, the operation test of the additional fire alarm is performed. Are performed simultaneously, so that the alarm output does not overlap and the test operation can be confirmed individually.
On the other hand, the residential extension fire alarm proposed in claim 2 does not have a test switch, but includes a test circuit, a delay circuit, and an internal power supply circuit, and further includes a transition input terminal and a transition output terminal. ing.
Therefore, the alarm output terminal of the residential fire alarm with the test switch described above is connected to the alarm input terminal, and other extension fire alarms are connected to the alarm output terminal in multiple stages. In this case, connect the transfer input terminal of the next-stage additional fire alarm to the output terminal of the previous-stage additional fire alarm.
In claim 3, a residential fire alarm system is proposed in which at least one additional fire alarm is connected to the fire alarm with a test switch in a multi-stage connection manner as described above. If the test switch of a fire alarm with a test switch is operated, the test operation is completed with that fire alarm, and then a test relay signal is sent to the next-stage expansion fire alarm to confirm the test operation. The test relay signal is sent to the additional fire alarm in the next stage, and fire test operations are automatically performed in sequence.

For the same purpose, the inventions of claims 4 and 5 are proposed.
The residential fire alarm with a test switch proposed in claim 4 has a test switch, and a test circuit for sending a test signal to the fire detection circuit by operating the test switch. After outputting a signal, after a predetermined time has elapsed, a delay circuit that sends out a test relay signal, a transition output terminal that outputs the test relay signal, an internal power supply circuit, and a power supply that supplies power from the internal power supply circuit And an output terminal.
Further, in claim 5, the fire alarm with a test switch according to claim 4 receives the test relay signal and the fire detection by receiving the test relay signal received through the signal input terminal. A test circuit for sending a test signal to the circuit, a delay circuit for sending a test relay signal after a lapse of a predetermined time after the test circuit outputs the test signal, and a transfer for outputting the test relay signal from the delay circuit. A power output terminal for receiving a power supply from the outside without an internal power circuit and a power output terminal for supplying the power received from the power input terminal to the outside There has been proposed a residential fire alarm system configured by connecting at least one additional residential fire alarm.

In the residential fire alarm with the test switch according to claim 1, if the test switch is operated, the test circuit is activated, and a test signal is sent to the fire detection circuit. An alarm can be output and an operation test can be performed.
In addition, after the operation test is completed in this way, a test relay signal can be sent to the additional fire alarm from the relocation output terminal, so the test relay signal is transmitted to the additional fire alarm and the test operation is performed. Can be done.
In the extended fire alarm for a house according to claim 2, the transfer output terminal of the home fire alarm with a test switch is connected to the transfer input terminal, and the additional fire of the next stage is connected to the transfer output terminal. It can be used by connecting alarms and connecting in multiple stages.
In the residential fire alarm system according to claim 3, if a test switch of a residential fire alarm with a test switch is operated, a residential fire alarm with a test switch is started, and a plurality of stages connected in a multistage manner. The fire test operation can be performed by delaying the additional fire alarms. Therefore, even when a plurality of fire alarms are installed in a house, a fire test operation can be easily performed without requiring a manpower.

In the fourth and fifth aspects, in addition to the basic operations of the first to third aspects, the additional fire alarm need not be provided with an internal power supply circuit. And since the power input terminal can be connected to the power output terminal provided in the fire alarm with test and the expansion fire alarm in the previous stage to receive power supply, there is no need for a power outlet in the vicinity, High degree of freedom in construction location.
In addition, since there is no need to provide a test switch for the additional fire alarm, the appearance is clean and tampering can be prevented.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows a fire alarm device A1 with a test switch according to the present invention, an additional fire alarm device B (# 1) to (#n), and a fire alarm system composed of these. It is a schematic circuit block diagram which shows an example.

The residential fire alarm system A1 with a test switch consists of multiple fire alarm systems B1 (# 1) to (#n) connected in multiple stages through two signal lines l to form a residential fire alarm system. Has been.
In addition, the house fire alarm A1 with a test switch and the extension fire alarms B (# 1) to (#n) are denoted by the same reference numerals in the same circuit configuration, and the description thereof is omitted. ing.

The residential fire alarm A1 is provided with an insertion plug (not shown) for receiving power supply from a commercial power source of 100V, and after the commercial power source is stepped down to a predetermined level or converted into direct current as necessary, A power supply circuit 10 supplied as an internal power supply, a fire detection circuit 13 that outputs a fire signal when smoke, heat, or the like is detected, an alarm circuit 11 that outputs an alarm when a fire signal is received from the fire detection circuit 13, and a fire detection A test that starts when a fire signal is received from the circuit 13 and keeps outputting a warning after measuring a predetermined time, and a test signal that is sent to the fire detection circuit 13 when the test switch SW is operated. A delay circuit 15 that outputs a test relay signal after a predetermined time after the test circuit 14 outputs a test signal by operating the test switch SW; And a transfer paper output terminal To for outputting a relay signal.
Here, the test switch SW can be operated by operating a pull string provided on the head of the fire alarm, a push button, or a self-returning slide operation unit. A power indicator lamp DA1 that is lit when the test is being performed, and a test indicator lamp DA2 that is lit during the test operation.

  The delay circuit 15 is configured by combining a relay circuit with a timer circuit. However, when the test switch SW is operated and a test signal output from the test circuit 14 passes a preset delay time. The test relay signal is output. In this case, the delay time is desirably set to substantially the same time as the set time of the timer circuit 12 described above, but is not limited thereto. In the illustrated example, the no-voltage contact signal is output as the transfer signal, but a voltage signal may be output.

  On the other hand, the fire alarm B1 (# 1) for an additional house is connected to the signal input terminal Tin of the fire alarm device A1 with the test switch described above, with the two signal lines l. Further, the signal line l is connected to the transfer output terminal To and connected to the transfer input terminal Tin of the additional fire alarm device B (# 2) at the next stage, and similarly connected to the next stage sequentially. The signal output terminal To of the amplification fire alarm of the preceding stage is connected to the signal input terminal Tin of the additional fire alarm by two signal lines l.

  Here, each of the additional fire alarms B1 (# 1)... Is provided with an insertion plug (not shown) for receiving power supply from a commercial power source of 100 V, and the commercial power source is stepped down to a predetermined level. After DC conversion as necessary, the power supply circuit 10 supplied as an internal power supply, the fire detection circuit 13 that outputs a fire signal when smoke, heat, etc. are detected, and an alarm when receiving a fire signal from the fire detection circuit 13 The alarm circuit 11 that outputs a signal, the timer circuit 12 that starts when a fire signal is received from the fire detection circuit 13 and keeps the alarm ringing by measuring a preset time, and a transfer input that receives a test relay signal After receiving the terminal Tin and the test relay signal, the test circuit 14 that sends a test signal to the fire detection circuit 13, and the test circuit 14 outputs the test signal, for example, the alarm output for a predetermined time is finished. After, and a delay circuit 15 for outputting a test relay signal from the transfer paper output terminal To.

The delay circuit 15 is configured by combining a relay circuit with a timer circuit. However, when the test switch SW is operated and a test signal output from the test circuit 14 passes a preset delay time. The test relay signal is output.
In this case, the delay time is desirably set to substantially the same time as the set time of the timer circuit 12 described above, but is not limited thereto. In the illustrated example, the no-voltage contact signal is output as the transfer signal, but a voltage signal may be output.
DB1 indicates a power indicator lamp, and DB2 indicates a test indicator lamp.

FIG. 2 is an external view showing an example of the fire alarm system of the present invention.
The residential fire alarm A1 is provided with a drawstring 16 as an operation part of the test switch SW, and the fire alarms B (# 1) to (#n) for an additional house are both two signal lines l.・ ・ Connected through.

FIG. 3 is a time chart showing the basic operation of the system of the present invention.
Hereinafter, the operation test implemented by this invention is demonstrated with FIG.
When the test switch SW of the residential fire alarm A1 is operated, the power supply of the power supply circuit 10 is sent to the test circuit 14 and the delay circuit 15, the test indicator lamp DA2 is turned on, and the test circuit 14 outputs a test signal. To do.
When the fire detection circuit 13 receives this test signal, the fire signal activates the timer circuit 12 and is sent to the alarm circuit 11. Therefore, when there is no failure or abnormality in the internal circuit, the set time Td of the timer circuit 12 is set. During this period, the alarm circuit 11 operates and outputs an alarm.
Thus, when the test operation is completed, the delay circuit 15 outputs a test relay signal for the time T, whereby the transfer output terminal To is closed and the test circuit 14 of the additional fire alarm B (# 1) is connected to the test circuit 14. Then, power is supplied from the power supply circuit 10.

As a result, the test circuit 14 outputs a test signal, and this test signal is sent to the fire detection circuit 13 and the delay circuit 15. The fire detection circuit 13 that has received the test signal activates the timer circuit 12 and outputs a fire signal to the alarm circuit 11, so that the alarm circuit 11 outputs an alarm for a set time Td of the timer circuit 12. When the alarm output for the set time Td of the timer circuit 12 is completed, the delay circuit 15 outputs the test relay signal for T time, and the transfer output terminal To is closed.
As a result, the test circuit 14 of the additional fire alarm B (# 2) at the next stage is supplied with power from its own power supply circuit 10. Then, the test circuit 14 outputs a test signal, and the test signal is sent to the fire detection circuit 13 and the delay circuit 15. The fire detection circuit 13 that has received the test signal activates the timer circuit 12 and issues an alarm circuit. 11 outputs a fire signal, so that the alarm circuit 11 outputs an alarm for a set time Td of the timer circuit 12. When the alarm output for the set time Td of the timer circuit ends, the delay circuit 15 outputs a test relay signal for T time and closes the message output terminal To.

  In this way, when the test operation is started by operating the test switch SW of the residential fire alarm A1 with a test switch, the test circuit 14 is activated and the alarm output is output for a predetermined time by the test operation. The test relay signal is sequentially sent from the delay circuit 15 of the next-stage extension fire alarm to the next-stage test circuit 14. As a result, the fire alarm system starts with the house fire alarm A1 as the extension house. The test relay signal is sequentially sent from the fire alarm B1 (# 1) to the next extension fire alarm B1 (# 2) and then to the next extension fire alarm B1 (# 3). The fire operation test for the entire system will be performed simultaneously with a delay.

  FIG. 4 is a circuit configuration diagram showing an example of a residential fire alarm with a test switch, an additional fire alarm, and a fire alarm system using these, according to claims 4 to 6.

  The residential fire alarm device A2 with a test switch is further provided with a power output terminal Ta in addition to the configuration proposed in claim 1, and the additional fire alarm devices B2 (# 1) to (#n) are charged. The configuration proposed in Item 2 is that there is no internal power supply circuit 10 and a power supply input terminal Tb for receiving power supply from outside, and a power supply for further supplying power received from the power supply input terminal Tb to the outside. It differs in that it has an output terminal Tc, and the fire alarm A2 with a test switch proposed in claim 4 and the additional fire alarms B2 (# 1) to (#n) at the rear stage are respectively By connecting the power output terminals Ta and Tc to the power input terminal Tb of the next-stage fire alarm through the feeder line lo, the fire alarm for homes with a test switch can be operated by receiving power. ing. In addition, the same code | symbol is attached | subjected to the location made into the same structure as Example 1, and description is abbreviate | omitted.

  Further, in this system, the residential fire alarm A2 with a test switch is supplied with local power from a nearby power outlet or the like, similarly to the residential fire alarm A1 with a test switch of claim 1, and an additional fire alarm B2 (# 1) to (#n) are operated by receiving a driving power supply from the fire alarm A2 with a test switch and the additional fire alarm in the previous stage.

If the test switch SW of the residential fire alarm A2 with a test switch is operated, the self-operation test is performed with the residential fire alarm with the test switch, and then the additional fire alarm B2 (# Similarly, for 1) to (#n), fire operation tests can be sequentially performed at a predetermined delay time.
Therefore, it is possible to easily perform an operation test without requiring a manual operation, and since the fire test operations of other residential fire alarms are sequentially executed with delay, it is possible to recognize individual operation states (failure states, etc.). .

  In this system, the fire alarm A2 with a test switch receives local power supply and becomes a power supply source. Therefore, even if there is no power outlet in the vicinity of the additional fire alarm, the power supply line from the fire alarm with the test switch Since power supply can be received through lo, the degree of freedom of the construction site is high. In addition, if you select the appropriate internal power supply capacity of the fire alarm with a test switch in advance, you can add and use as many additional fire alarms as necessary for the fire alarm with a test switch. The scale can be easily expanded and the flexibility is high.

It is a circuit block diagram which shows an example of the fire alarm for houses of this invention, an additional fire alarm, and a system using the same (corresponding to claims 1 to 3). Explanatory drawing of the fire alarm system for houses shown in FIG. The time chart which shows the basic operation | movement of the fire alarm system for houses shown in FIG. It is a circuit block diagram which shows an example of the fire alarm for houses of this invention, an additional fire alarm, and a system using the same (corresponding to claims 4 to 6).

Explanation of symbols

A1, A2 Residential fire alarm with test switch B1, B2 Residential additional fire alarm 10 Internal power circuit 11 Alarm circuit 12 Timer circuit 13 Fire detection circuit 14 Test circuit 15 Delay circuit Ta, Tc power output terminal Tb Power input terminal To message output terminal Tin message input terminal

Claims (5)

  A test circuit that has a test switch and sends a test signal to the fire detection circuit by operating the test switch, and a delay circuit that sends a test relay signal after a lapse of a predetermined time after the test circuit outputs the test signal And a fire alarm for a house with a test switch, characterized in that it includes a transfer output terminal for outputting the test relay signal and an internal power supply circuit.   A transmission input terminal for receiving a test relay signal, a test circuit for receiving a test relay signal received through the transmission input terminal and sending a test signal to the fire detection circuit, and a predetermined circuit after the test circuit outputs the test signal. An extension fire alarm for a house comprising a delay circuit for sending a test relay signal after the elapse of time, a transition output terminal for outputting the test relay signal, and an internal power supply circuit.   A residential fire alarm system comprising at least one additional residential fire alarm according to claim 2 connected to the residential fire alarm with a test switch according to claim 1.   A test circuit that has a test switch and sends a test signal to the fire detection circuit by operating the test switch, and a delay circuit that sends a test relay signal after a lapse of a predetermined time after the test circuit outputs the test signal And a fire alarm for a house with a test switch, characterized in that it includes a transmission output terminal for outputting the test relay signal, an internal power supply circuit, and a power supply output terminal for supplying power from the internal power supply circuit. . 5. A residential fire alarm with a test switch according to claim 4, wherein a transfer input terminal for receiving a test relay signal and a test relay signal received through the transfer input terminal are transmitted to the fire detection circuit. There is no test circuit, a delay circuit that sends a test relay signal after a predetermined time has elapsed after the test circuit outputs a test signal, a message output terminal that outputs the test relay signal, and an internal power supply circuit. At least one or more residential fire alarms characterized by comprising a power input terminal for receiving power from the outside and a power output terminal for further supplying power received from the power input terminal to the outside. Residential fire alarm system configured by connecting.

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