JP2013033311A - Alarm devices - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently raise interlocking alarms in interlocking type alarm devices.SOLUTION: An alarm device comprises detection means, determination means, notification means, transmission means of interlocking signals, reception means of interlocking signals, and interlock necessity setting means. When the reception means receives interlocking signals from another alarm device, the determination means refers to settings in the interlock necessity setting means, and causes the notification means to raise interlocking alarms when an interlock setting is ON, and causes the notification means not to raise interlocking alarms when the interlock setting is OFF.

Description

  The present invention relates to an alarm device such as a residential fire alarm device.

  Some alarm devices are linked by radio signals. In so-called residential fire alarms, there is a single fire alarm that performs everything from fire detection to alarm action, and completes by itself. In contrast, the interlocking type has an advantage that a plurality of fire alarms can interlock and alarm, so that a fire alarm can be performed even at a location away from the location of the fire. Therefore, when a fire alarm is installed in each room in a detached house or the like, a fire alarm is issued wherever the fire occurs, wherever a fire occurs.

JP 2008-4033 A

  However, if alarm devices are provided in all rooms in a house or the like, a plurality of alarm devices may be installed at a short distance, and the efficiency of the alarm may be poor. In addition, when voice is used for a fire alarm, it may be difficult to hear words due to voice. For example, when a fire alarm is installed in a closet or walk-in closet, if it can be alarmed in a room adjacent to it, the need for an interlocking alarm in the closet is low. In a large room with 18 tatami mats where living / dining rooms and kitchens are continuous, if one or more fire alarms are installed at opposite positions, one of them will give a fire alarm. For example, other fire alarms do not need to be linked.

  Not only these, but if the distance between two fire alarms is short or because of the ease of passing the alarm sound, even if the interlocking alarms of some fire alarms are stopped, a sufficient alarm for the entire house May be possible.

  An object of the present invention is to perform an interlocking alarm efficiently in an interlocking type alarm device.

  The present invention is an alarm device comprising detection means, determination means, notification means, interlock control signal transmission means, interlock control signal reception means, and interlock necessity necessity setting means, wherein the determination means comprises: When the receiving means receives an interlock control signal from another alarm device, it refers to the setting of the interlock necessity setting means and causes the notifying means to notify the interlock alarm when the interlock is on. When the signal is off, the notification means is not notified of the interlocking alarm.

  The present invention is an alarm device comprising detection means, discrimination means, notification means, interlocking signal transmitting means, and interlocking signal receiving means, and it is necessary for thinning out to be thinned out compared to normal times. And a thinning-out sound setting unit for setting the alarming device for which the thinning-out sound is set to ring at timings of different sounding periods, and the determination unit includes: When receiving the interlock signal, the notification means is notified of the interlock alarm with reference to the setting of the thinning sound setting means.

  In this invention, since the necessity of the interlocking alarm is set, when there is an alarm device nearby due to the arrangement, one interlocking alarm can be prohibited, and it is possible to prevent the sound alarm from becoming difficult to hear in the ringing state. it can. Even in the case of a buzzer, it is possible to prevent the volume of the alarm sound from increasing darkly.

  For example, when there is a living room adjacent to the kitchen, even if the alarm device is attached to both the kitchen and the living room, only one alarm device can be used for the interlocking alarm.

  In this invention, since the necessity of thinning-out sound is set, if there is an alarm device closer to the arrangement, it is possible to prevent the sound alarm from becoming difficult to hear in the ringing state if the setting is made to thin out each other. .

It is explanatory drawing of the alarm system which concerns on one embodiment of this invention. It is a block block diagram of the alarm device used for FIG. It is a flowchart explaining operation | movement of the alarm device of FIG.

  Hereinafter, a case where the present invention is applied to a fire alarm system including a fire alarm device that is driven by a battery and performs wireless communication will be described as an example.

  FIG. 1 is a diagram illustrating a configuration of an alarm system 100 according to the present embodiment. The alarm system 100 includes a plurality of fire alarms 10. In FIG. 1, there are three rooms R1 to R3 in the building. One fire alarm 10 is installed in each of the rooms R1 and R2, and two fire alarms 10 are installed in the room R3. Is installed. Each fire alarm 10 is assigned an address of AD1, AD2, AD3, AD4 as a unique address. In the following description, each fire alarm 10 is designated as “fire alarm AD1”. Sometimes called.

  Each of the fire alarms AD1 to AD4 has a function of detecting a fire and a function of independently alarming. Moreover, the fire alarm device AD1 to the fire alarm device AD4 constituting the alarm system 100 can communicate with each other by wireless communication.

  FIG. 2 is a functional block diagram showing the main configuration of the fire alarm according to the present embodiment. The fire alarm 10 includes a control circuit 1, a battery 2, a power supply circuit 3, a battery voltage detection circuit 4, a transmission / reception circuit 5, an antenna 6, a fire detection circuit 7, an alarm sound control circuit 8, an indicator light circuit 9, a confirmation switch 12, And an interlocking necessity setting unit 13.

  The battery 2 supplies DC power to the power supply circuit 3. The power supply circuit 3 controls the voltage of the battery 2 to a predetermined voltage and supplies it to the control circuit 1, the transmission / reception circuit 5, the fire detection circuit 7, the alarm sound control circuit 8, and the indicator lamp circuit 9.

  The battery voltage detection circuit 4 detects the voltage of the battery 2 applied to the power supply circuit 3 and outputs a battery voltage detection signal corresponding to the detected voltage to the control circuit 1. When the value of the battery voltage detection signal from the battery voltage detection circuit 4 indicates that the remaining battery level has decreased or exceeds the threshold for battery exhaustion, the control circuit 1 causes the alarm sound control circuit 8 and the indicator lamp circuit to 9 is driven, and the transmission / reception circuit 5 outputs a state signal including state information indicating that the battery has run out.

  The fire detection circuit 7 detects a physical change such as smoke or heat based on the fire phenomenon and outputs a signal corresponding to the detected content to the control circuit 1. For example, if the fire detection circuit 7 is a so-called thermal fire detection circuit, the fire detection circuit 7 is composed of a temperature sensor in which a fixed resistor (not shown) and a thermistor (not shown) are connected in series. ing. An intermediate potential between the fixed resistor and the thermistor is an output terminal of the fire detection circuit 7, and a temperature detection signal is output to the control circuit 1 through this output terminal. The thermistor has a temperature characteristic in which its resistance value varies according to the environmental temperature. Since the temperature characteristic of the thermistor is linearized by the compensation fixed resistance, a detection voltage (temperature information) corresponding to the environmental temperature is input to the output terminal of the fire detection circuit 7. This fire detection circuit 7 is an example of the detection means of the present invention.

  The alarm sound control circuit 8 is a circuit for controlling the sounding operation of sound or the like by a buzzer / speaker or the like. The alarm sound control circuit 8 is controlled by the control circuit 1 to sound a predetermined alarm sound. In this embodiment, the alarm sound control circuit 8 is an example of the notification means of the present invention.

  The indicator lamp circuit 9 is a circuit that controls the lighting operation of indicator lamps such as light emitting diodes. The indicator lamp circuit 9 is controlled by the control circuit 1 to turn on or blink the indicator lamp.

  The transmission / reception circuit 5 is connected to an antenna 6 for transmitting / receiving a radio signal. The transmission / reception circuit 5 processes the radio signal input from the antenna 6 and performs reception processing in the case of a signal addressed to itself. In the case of other signals, reception processing is not performed. The received signal is output to the control circuit 1. The transmission / reception circuit 5 is controlled by the control circuit 1 to perform transmission processing of various signals. The transmission / reception circuit 5 is an example of transmission means and reception means of the present invention.

  Here, a signal transmitted by the transmission / reception circuit 5 will be described. Main signals transmitted by the transmission / reception circuit 5 include a status signal, an interlock control signal, and a recovery signal.

  Among these signals, the status signal is a signal that is periodically transmitted and received between fire alarms, for example, between the master unit and the slave unit (for example, a period of 15 to 20 hours) during fire monitoring (steady state). This is a signal for confirming whether each device is operating normally. The status signal includes the address of the transmission source, the address of the other party, and any information indicating the status of the device such as the sensor status (deterioration, contamination, etc.) of the fire detection circuit 7 or a malfunction. Yes.

  The interlock control signal is a signal transmitted to the other fire alarm device 10 in the alarm system 100 when a fire is detected by the fire detection circuit 7. This interlock control signal is a signal for informing the other device of the detection of the fire and causing the other device to output a predetermined interlock alarm. The interlock control signal includes the address of the transmission source, the address of the other party, and information indicating that a fire has been detected.

  Further, the recovery signal is a signal that is transmitted to other devices in the alarm system 100 when a fire is no longer detected after the fire is detected by the fire detection circuit 7. This recovery signal is a signal for notifying other devices of the recovery from the fire and stopping the interlocking alarm. The recovery signal includes the address of the transmission source, the address of the other party, and information indicating that the recovery has been performed.

  The control circuit 1 determines whether or not a fire has occurred based on the signal output by the fire detection circuit 7. When it is determined that a fire has occurred, the alarm sound control circuit 8 and the indicator lamp circuit 9 are controlled to perform a fire source alarm by sound and indicator lamp, and control related to alarm output / stop. This control circuit 1 is an example of the discrimination means of this invention.

  Here, the types of alarms output from the alarm sound control circuit 8 under the control of the control circuit 1 will be described. The alarm sound output from the alarm sound control circuit 8 includes a fire alarm sound and a linked alarm sound.

  Among the alarm sounds, the fire source alarm sound is an alarm sound that is activated when the fire is detected by itself, and is a sound for notifying the user that a fire is detected in the monitoring area of the fire alarm 10. It is. As the fire alarm sound, for example, a sound such as “Pee, Hugh, Hugh, Fire, Fire” can be used.

  The interlocking alarm sound is an alarm sound that sounds when an interlocking control signal is received, and is a sound for notifying the user that a fire has been detected in the monitoring area of another fire alarm device 10. As the interlocking alarm sound, for example, a sound such as “Pe, Hugh, Hugh, or a fire in another place” can be used.

  In addition, the control circuit 1 performs necessary processing based on the signal received by the transmission / reception circuit 5 and controls the transmission / reception circuit 5 as necessary, such as a status signal to other fire alarms, an interlock control signal, etc. Send a signal. In addition, the control circuit 1 performs various checks such as a remaining amount check of the battery 2 and a wireless communication function check at a predetermined timing.

  The confirmation switch 12 is a switch that is turned on in response to a pressing operation on a confirmation button provided on the housing of the fire alarm 10. When the confirmation switch 12 is turned on by a user operation while the interlocking alarm sound is sounded by the alarm sound control circuit 8, the operation is switched to the operation in the interlocking alarm stop mode described later.

  The interlock necessity setting unit 13 is provided in the housing of the fire alarm 10 and receives an input to a slide switch, a rotary switch or the like that can be operated from the outside, and the interlock alarm is not required in each fire alarm 10 Is set to the information of interlocking off, and is read by the control circuit 1 and stored in the storage element 11 in the control circuit 1. This interlocking necessity setting unit 13 is an example of interlocking necessity setting means of the present invention. The necessity of interlocking may be set by switch setting or by any communication means such as a setting device, or stored in the storage element 11 in advance when the fire alarm 10 is shipped from the factory. Also good.

  Here, it is preferable that the interlocking necessity setting unit 13 is in an interlocking-on state in the initial state. In principle, it is safer to perform an interlocking alarm, and it is only necessary to set the interlocking off after the user determines that the interlocking is not necessary based on the installation state.

  The storage element 11 is a nonvolatile memory such as an EEPROM (registered trademark), and stores various information such as an address set individually for each fire alarm 10 and information about a group to which each fire alarm 10 belongs. This storage element 11 can be used as the necessity setting means for interlocking of the present invention.

  Next, the operation of the fire alarm 10 will be described. FIG. 3 is a flowchart for explaining an operation example of the fire alarm 10 according to the present embodiment.

  The control circuit 1 of the fire alarm 10 determines whether or not a fire has been detected by the fire detection circuit 7 (S101), and if a fire is detected (S101: Yes), outputs a fire source alarm (S102). In this fire alarm, a fire alarm is sounded by the alarm sound control circuit 8 and the indicator lamp is turned on or blinked in a predetermined manner indicating the fire alarm by the indicator light circuit 9. Subsequently, the interlock control signal assigned with the self address is transmitted to the other fire alarms 10 (S103). If no fire is detected (S101: No), the process proceeds to step S104.

  Next, it is determined whether or not an interlock control signal has been received (S104). If an interlock control signal has been received (S104: Yes), whether or not interlocking is necessary from the storage element 11 based on the state of the interlocking necessity setting unit 13 is determined. Reference is made to whether the setting is linked on or linked off (S105).

  Here, if the interlocking necessity setting is interlocking OFF (S105: OFF), the interlocking alarm stop mode is entered (S106), and the interlocking alarm is not output. In this mode, the indicator lamp 9 may turn on or blink the indicator lamp in a predetermined manner indicating an interlocking alarm. In this way, the user can recognize whether the interlocking alarm is received as the interlocking destination.

  If the interlocking necessity setting is interlocking on (S105: on), an interlocking alarm is output (S108). In this interlocking alarm, the alarm sound control circuit 8 sounds an interlocking alarm sound, and the indicator lamp circuit 9 lights or blinks the indicator lamp in a predetermined manner indicating the interlocking alarm.

  If the interlock control signal has not been received (S104: No), the process proceeds to step S109.

  Next, it is confirmed whether or not the confirmation switch 12 is turned on (S109). If it is turned on (S109: Yes), it is confirmed whether or not it is operating in the interlocking alarm stop mode (S110). If operating in the interlocking alarm stop mode (S110: Yes), an interlocking alarm is output (S111). In this way, by operating the confirmation switch (ON), the alarm sound control circuit 8 sounds an interlocking alarm sound, and the indicator lamp circuit 9 lights or blinks the indicator lamp in a predetermined manner indicating the interlocking alarm.

  If the confirmation switch 12 is not turned on (S109: No), or if it is not in the interlocking alarm stop mode (S110: No), the process returns.

  Thus, the fire alarm device 10 does not sound an interlocking alarm sound if the interlocking necessity setting is OFF (S105, S106). Further, when the confirmation switch 12 is turned on, the fire alarm 10 sounds an interlocking alarm sound if it is operating in the interlocking alarm stop mode (S109, S110, S111).

  Although the setting of the storage element 11 is referred to in the above operation, the setting of the interlocking necessity setting unit 13 is written in the storage element 11 under the control of the control circuit 1 at the timing of power-on or the like. Yes.

  Next, an operation example in the alarm system 100 of the present embodiment will be described.

  In the alarm system 100 of FIG. 1, fire alarms AD3 and AD4 are installed in the same room R3. In the fire alarm device AD3, the interlock on in the initial state is set as the interlock necessity setting, and in the fire alarm AD4, the interlock off is set in the interlock necessity setting unit 13 as the interlock necessity setting. And In the fire alarm device AD1 and fire alarm device AD2, as in the case of the fire alarm device AD3, the interlock on in the initial state is set as the interlock necessity setting.

  In such a state, if a fire occurs in the monitoring area of the fire alarm device AD3 in the room R3, the fire alarm device AD3 detects the fire and sounds a fire source alarm sound. And the interlocking control signal which provided the self address is transmitted to fire alarm device AD1, AD2, AD4.

  Since the fire alarm devices AD1 and AD2 that have received the interlock control signal are set with the interlock necessity setting set to interlock on, the interlock alarm sound is generated in each of the rooms R1 and R2.

  On the other hand, the fire alarm device AD4 that has received the interlock control signal does not sound the interlock alarm sound because the interlock necessity setting is set from the initial interlock on to the interlock off. By doing in this way, fire alarm device AD3 will sound an alarm sound among fire alarm devices AD3 and AD4 installed in the same room R3. For this reason, the two fire alarm devices AD3 and AD4 both sound an alarm sound. As a result, the sound volume is not increased and the user does not easily recognize the alarm sound due to interference between the two sounds.

  In this state, when the confirmation switch 12 of the fire alarm device AD4 is turned on by a user operation, the fire alarm device AD4 sounds an interlocking alarm sound. For this reason, the user can confirm that the fire alarm device AD4 is the interlocking destination.

  As described above, according to the fire alarm device 10 according to the present embodiment, the fire detection circuit 7, the control circuit 1, the alarm sound control circuit 8, the transmission / reception circuit 5, and the interlocking necessity setting unit 13 are provided. The control circuit 1 controls the alarm when the transmission / reception circuit 5 receives the interlock control signal from another alarm device and refers to the setting of the storage element 11 based on the interlock necessity setting unit 13 to interlock. It is possible to notify the circuit 8 of an interlocking alarm, and when the interlocking is off, the alarm control circuit 8 is not notified of the interlocking alarm, and one interlocking alarm is prohibited when there is an alarm device nearby due to the arrangement. In the case where the warning sound is a voice, it is possible to prevent the voice warning from becoming difficult to hear in a ringing state. Further, even when the alarm sound is a buzzer, the volume of the alarm sound can be prevented from increasing without darkness.

  For example, when there is a living room adjacent to the kitchen, even if the fire alarm 10 is attached to both the kitchen and the living room, only one of the alarms can be interlocked. In addition, the fire alarm 10 is usually provided in a closet or a storage room where no resident is present, or a separate sound device (or a light alarm device) is provided in the vicinity of the fire alarm 10. It can also be used when an alarm is not required.

  In this embodiment, the alarm device has been described as the fire alarm device 10, but other alarm devices, gas leaks, crime prevention, intrusion alarms, etc., or a mixture of these ( Of course, the content of the alarm sound may be selected according to the type of alarm device). Moreover, although the case where the interlocking necessity setting part 13 by the switch element and the storage element 11 are used as the necessity necessity setting means has been shown, if the control circuit 1 confirms the necessity of interlocking setting part 13 as necessary, The interlocking necessity setting function is not required for the storage element 11. Conversely, if the interlocking necessity is set as information in the storage element 11, the interlocking necessity setting unit 13 is not necessary and the number of parts is Circuit elements can be reduced.

  In addition, as an interlocking alarm, when an interlocking alarm sound such as “Woo Kang Kan is a fire in another room” is intermittently sounded (alarm), that is, the interlocking alarm sounding period Tx1, ringing stop period Ts1, ringing period In the case of a specification that repeats Tx2, ringing stop period Ts2, ... ringing period TxN, ringing stop period TsN ... As an example, the fire alarm devices AD3 and AD4 installed in the same room R3 are set to ring at a timing of a different ringing period Tx while being thinned out compared to the normal time. It may be. In that case, instead of the interlocking necessity setting unit 13, the fire alarm device 10 that sets whether or not the thinning-out sound is necessary and is set as the alarm (ringing) after receiving the interlocking control signal is different. What is necessary is just to provide the thinning ringing setting part set to ring at the timing of ringing period Tx. As an example, using a rotary switch as a thinning sound setting unit, in a default (for example, 0) set state, it is set to not be thinned, and in other set states, for example, 1 to 9, it is set to be thinned. In addition, the ringing can be performed at the timing of the ringing period Tx in the case where the last one digit of the set number matches the last one digit of the X value of the ringing period Tx.

  DESCRIPTION OF SYMBOLS 1 Control circuit, 2 Battery, 3 Power supply circuit, 4 Battery voltage detection circuit, 5 Transmission / reception circuit, 6 Antenna, 7 Fire detection circuit, 8 Alarm sound control circuit, 9 Indicator light circuit, 10 Fire alarm, 11 Memory element, 12 Confirmation switch, 13 interlocking necessity setting unit, 100 alarm system, 200 alarm system.

Claims (2)

An alarm device comprising a detecting means, a determining means, a notifying means, an interlocking signal transmitting means, an interlocking signal receiving means, and an interlocking necessity setting means,
The determining means, when the receiving means receives an interlocking signal from another alarm device, refers to the setting of the interlocking necessity setting means, and when the interlocking is on, the notifying means informs the interlocking alarm, In addition, the alarm device is characterized in that the alarm means is not notified of the alarm when the alarm is off. An alarm device comprising detection means, determination means, notification means, interlock signal transmission means, and interlock signal reception means,
It is provided with thinning sound setting means for setting whether or not the thinning sound is required to be thinned compared with the normal time, and setting so that the alarm devices set with thinning sound are sounded at timings of different sounding periods,
The determining means, when the receiving means receives an interlocking signal from another alarming device, refers to the setting of the thinning sound setting means and causes the notifying means to notify the interlocking alarm. vessel.

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