JP2009266058A - Alarm device - Google Patents

Alarm device Download PDF

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JP2009266058A
JP2009266058A JP2008116708A JP2008116708A JP2009266058A JP 2009266058 A JP2009266058 A JP 2009266058A JP 2008116708 A JP2008116708 A JP 2008116708A JP 2008116708 A JP2008116708 A JP 2008116708A JP 2009266058 A JP2009266058 A JP 2009266058A
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Prior art keywords
alarm
abnormality
reception
event signal
preliminary
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JP2008116708A
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JP5074282B2 (en
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Kimitaka Egawa
仁隆 江川
Isao Asano
功 浅野
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Hochiki Corp
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Hochiki Corp
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Priority to JP2008116708A priority Critical patent/JP5074282B2/en
Application filed by Hochiki Corp filed Critical Hochiki Corp
Priority to EP13190914.5A priority patent/EP2693414B1/en
Priority to PCT/JP2008/067855 priority patent/WO2009072344A1/en
Priority to AU2008332565A priority patent/AU2008332565B2/en
Priority to KR1020107012008A priority patent/KR101181139B1/en
Priority to US12/745,915 priority patent/US8432277B2/en
Priority to EP08856427.3A priority patent/EP2228777B1/en
Priority to CN2012102363710A priority patent/CN102768789A/en
Priority to CN2008801188684A priority patent/CN101884059B/en
Priority to KR1020127014311A priority patent/KR101187556B1/en
Publication of JP2009266058A publication Critical patent/JP2009266058A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To suppress alarm delay on a reception side due to intermittent reception and to quickly issue an interlocked alarm. <P>SOLUTION: A pre-alarm detection part 58 detects that the occurrence probability of abnormality to be detected by a sensor part 34 becomes high and detects pre-alarm (pre-alarm). A pre-alarm monitoring part 60 transmits an event signal indicating the pre-alarm to another alarm device when detecting the pre-alarm, and changes to a cycle shorter than a normal reception cycle of a reception circuit 44 when receiving the event signal indicating the pre-alarm from the other alarm and suppresses the delay of the interlocked alarm when the event signal indicating the abnormality is received. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、火災などの異常を検出して警報すると共に他の警報器に信号を無線送信して警報を連動出力させる警報器に関する。
The present invention relates to an alarm device that detects an abnormality such as a fire and issues an alarm and wirelessly transmits a signal to another alarm device to output an alarm in conjunction with the alarm device.

従来、住宅における火災やガス漏れなどの異常を検出して警報する住宅用警報器(以下「住警器」という)が普及しており、近年にあっては、1つの住戸に複数の住警器を設置して部屋毎に火災などの異常を監視する傾向も増加している。   Conventionally, residential alarm devices (hereinafter referred to as “residential alarms”) that detect and warn of abnormalities such as fires and gas leaks in homes have become widespread. There is also an increasing tendency to monitor the anomalies such as fires in each room by installing a vessel.

このように住戸内に複数の住警器を設置した場合、異常が発生した部屋とは別の部屋に人がいた場合、警報音が聞こえず火災などの災害が広がる恐れがある。このため、住警器同士を有線接続し、ある住警器で火災を検出して警報した場合、他の住警器に信号を送って同時に警報させる連動警報ができるようにしている。   In this way, when a plurality of house alarms are installed in a dwelling unit, if a person is in a room different from the room where the abnormality has occurred, a warning sound may not be heard and a disaster such as a fire may spread. For this reason, when the house alarm devices are connected to each other by wire and a fire is detected and alarmed by a certain house alarm device, an interlocking alarm that sends a signal to another house alarm device and simultaneously issues an alarm is made possible.

しかしながら、住警器同士を有線接続することは、有線工事が必要なためにコストが高くなる問題がある。この問題は無線式の住警器とすることで解消可能である。しかも、最近における無線回路用ICの低消費電力化に伴い、他の住警器からの信号を受信可能とするために常時受信可能な動作状態としても、たとえば5年を超えるような、実用に耐える電池寿命が保証され、無線式住警器を実用化する環境が整いつつある。   However, there is a problem in that the cost of the connection between the resident alarms is high due to the necessity of wired work. This problem can be solved by using a wireless residence guard. In addition, with the recent reduction in power consumption of ICs for wireless circuits, even in an operation state in which signals can be received at all times in order to be able to receive signals from other home alarm devices, for example, more than 5 years can be put into practical use. The endurance of battery life is guaranteed, and the environment for practical use of wireless home alarms is getting ready.

ところで無線式の住警器にあっては、他の住警器からいつ異常を示す信号が送信されるかわからないため、いつでも信号を受信できるように受信回路部を待機動作状態にしておく必要があるが、これでは消費電力が大きくなることから、所定の受信周期毎に間欠的に受信動作を行うようにしている。   By the way, in the case of a wireless residence guard, since it is not known when a signal indicating an abnormality is transmitted from another residence guard, it is necessary to keep the receiving circuit unit in a standby operation state so that the signal can be received at any time. However, since this increases power consumption, the reception operation is intermittently performed every predetermined reception cycle.

図11は従来の無線式住警器の送信動作と受信動作を示したタイムチャートである。受信側の住警器は図11(B)のように、T1時間に亘る受信動作をT2時間の休止時間をおいて繰り返す周期T12(=T1+T2)の間欠受信動作を行っている。一方、送信側の住警器は図11(A)のように、異常を検出すると、T4時間に亘り異常を示す検出信号を連続的に繰り返し送信する。   FIG. 11 is a time chart showing a transmission operation and a reception operation of a conventional wireless residential alarm. As shown in FIG. 11 (B), the reception side resident alarm performs an intermittent reception operation with a period T12 (= T1 + T2) in which a reception operation for T1 time is repeated with a pause time of T2 hours. On the other hand, as shown in FIG. 11 (A), the transmission side resident alarm continuously and repeatedly transmits a detection signal indicating the abnormality for T4 time.

ここで、送信時間T4は間欠受信周期T12(=T1+T2)以上の時間に設定されており、送信開始タイミングがどのようであっても、送信時間T4の間に少なくとも1回のT1時間に亘る受信動作時間が入り、送信側住警器からの信号を確実に受信できるようにしている。   Here, the transmission time T4 is set to a time equal to or longer than the intermittent reception cycle T12 (= T1 + T2), and reception is performed for at least one T1 time during the transmission time T4 regardless of the transmission start timing. The operation time is entered, so that the signal from the transmission side home alarm can be reliably received.

このような間欠受信動作により、受信回路部を常時待機動作状態とする必要がなくなり、受信回路部の消費電流が低減することで、無線式住警器であっても5年を超える電池寿命を保証することができる。
特開2007−094719号公報
Such intermittent reception operation eliminates the need for the reception circuit unit to always be in a standby operation state, and the current consumption of the reception circuit unit is reduced, so that even a wireless home alarm device has a battery life of more than 5 years. Can be guaranteed.
JP 2007-094719 A

しかしながら、このような間欠受信動作を行う無線式の住警器にあっては、送信側の住警器が信号の送信を開始したタイミングによっては、送信側の住警器の警報開始に対し受信側の住警器による信号受信に基づく連動警報の開始が大きく遅れる場合がある。   However, in the case of a wireless mortgage that performs such an intermittent reception operation, depending on the timing at which the transmission resident alarm starts transmitting a signal, it receives the alarm signal from the transmitting resident alarm. There is a case where the start of the interlocking alarm based on the reception of the signal by the side home alarm is greatly delayed.

図12は受信側の住警器におけるT1時間の受信動作直後のタイミングで、送信側の住警器が信号の送信を開始した場合であり、この送信開始タイミングにあっては、次の受信動作はT2時間後となり、送信側で警報を開始してから、受信側が連動警報を開始するまでの遅れ時間Tdが長くなり、連動警報が遅れるという問題がある。   FIG. 12 shows the timing immediately after the reception operation for the time T1 in the reception side resident alarm, when the transmission side resident alarm starts signal transmission. At this transmission start timing, the next reception operation is performed. After T2 time, there is a problem that the delay time Td from the start of the alarm on the transmission side to the start of the interlock alarm on the reception side becomes longer, and the interlock alarm is delayed.

例えば、間欠受信の休止時間T2は10〜20秒程度の時間となり、更に、信頼性を向上するために、3回受信で警報する方式をとった場合、送信側が警報を開始してから受信側が警報を開始するまでの遅れ時間Tdは30〜60秒程度かかり、連動警報が大幅に遅れる。   For example, the intermittent reception pause time T2 is about 10 to 20 seconds. Further, in order to improve the reliability, when a method of alarming by receiving three times is adopted, the receiving side starts the alarm after the transmitting side starts the alarm. The delay time Td until the alarm is started takes about 30 to 60 seconds, and the interlocking alarm is greatly delayed.

本発明は、間欠受信に伴う受信側での警報遅れを抑制して連動警報を迅速に行えるようにする警報器を提供することを目的とする。
SUMMARY OF THE INVENTION An object of the present invention is to provide an alarm device that can quickly perform an interlocking alarm by suppressing an alarm delay on the receiving side due to intermittent reception.

本発明は、
所定の受信周期毎に間欠的に受信動作を行って他の警報器からのイベント信号を受信する受信回路部と、
受信周期以上の送信時間に亘りイベント信号を他の警報器に送信する送信回路部と、
警報器と別体又は一体に設けられ、異常を検出するセンサ部と、
警報を出力する報知部と、
予備異常を検出した時に、予備異常を示すイベント信号を他の警報器に送信し、一方、他の警報器から予備異常を示すイベント信号を受信した時に、受信回路部の受信周期を短い周期に変更するか、または受信回路部の間欠受信を常時受信に変更する予備異常監視部と、
を備えたことを特徴とする。
The present invention
A receiving circuit unit that receives an event signal from another alarm device by intermittently performing a receiving operation every predetermined reception cycle;
A transmission circuit unit that transmits an event signal to another alarm device over a transmission time equal to or longer than the reception cycle;
A sensor unit that is provided separately or integrally with the alarm device and detects an abnormality,
A notification unit for outputting an alarm;
When a pre-abnormality is detected, an event signal indicating a pre-abnormality is transmitted to another alarm device, while when an event signal indicating a pre-abnormality is received from another alarm device, the reception cycle of the receiving circuit unit is shortened. A preliminary abnormality monitoring unit that changes or changes intermittent reception of the receiving circuit unit to always reception; and
It is provided with.

ここで、予備異常監視部をセンサ部に設けるようにしても良い。   Here, you may make it provide a preliminary | backup abnormality monitoring part in a sensor part.

予備異常監視部は、予備異常を検出した時に、報知部により予備異常警報を出力させる。   The preliminary abnormality monitoring unit causes the notification unit to output a preliminary abnormality alarm when detecting the preliminary abnormality.

予備異常監視部は、予備異常を示すイベント信号を送信した後に、予備異常が検出されなくなった時、予備異常の復旧を示すイベント信号を他の警報器に送信し、一方、他の警報器から予備異常を示すイベント信号を受信して受信回路部の受信周期を短い周期に変更するか、または間欠受信を常時受信に変更した後に、予備異常の復旧を示すイベント信号を受信した時、受信周期を元の周期または常時受信を元の間欠受信に戻す。   The preliminary abnormality monitoring unit transmits the event signal indicating the recovery of the preliminary abnormality to the other alarm device when the preliminary abnormality is not detected after the event signal indicating the preliminary abnormality is transmitted. When receiving an event signal indicating a preliminary abnormality and changing the reception cycle of the receiving circuit unit to a shorter cycle, or changing an intermittent reception to a constant reception and then receiving an event signal indicating a recovery from the preliminary abnormality, the reception cycle Is restored to the original intermittent reception.

また、予備異常監視部は、他の警報器から予備異常を示すイベント信号を受信して受信回路部の受信周期を短い周期変更するか、または間欠受信を常時受信に変更した後に所定時間を経過した時、受信周期を元の周期に戻すか、または前記常時受信を元の間欠受信に戻すようにしても良い。
In addition, the standby abnormality monitoring unit receives an event signal indicating a preliminary abnormality from another alarm device and changes the reception cycle of the reception circuit unit to a shorter cycle or changes the intermittent reception to the constant reception, and then a predetermined time elapses. In this case, the reception cycle may be returned to the original cycle, or the continuous reception may be returned to the original intermittent reception.

本発明の警報器によれば、他の住警器から予備異常を示すイベント信号を受信すると、予備異常に続いて本来の異常検出が予想されることから、この段階で、それまでの間欠受信周期をより短い周期に短縮し、この状態で異常を示すイベント信号を受信した時、受信側の送信開始のタイミングがどのようなものであっても、送信側の警報開始から受信側の警報開始までの最大遅れ時間を、短くした間欠受信周期以内に抑え、連動警報の遅れを最小限に抑えることができる。   According to the alarm device of the present invention, when an event signal indicating a preliminary abnormality is received from another residential alarm device, the original abnormality detection is expected following the preliminary abnormality. When the event signal indicating an abnormality is received in this state, the cycle is shortened to a shorter cycle, and regardless of the timing of the transmission start on the reception side, the alarm start on the reception side starts from the alarm start on the transmission side. The maximum delay time can be kept within the shortened intermittent reception cycle, and the delay of the interlocking alarm can be minimized.

また、予備異常のイベント信号の受信により間欠受信周期を短い周期に変更すると、受信回路部の消費電流が増加して電池寿命を縮めることになるが、送信側で予備異常が解消された場合にこれを受信側に通知するか、或いは、予備異常のイベント信号を受信して一定時間を経過したら、短縮した間欠受信周期を元の長い周期に戻すことで、消費電流の増加を極力抑えて、電池寿命の低下を防止することができる。   In addition, if the intermittent reception cycle is changed to a short cycle by receiving the event signal of the standby abnormality, the current consumption of the reception circuit unit will increase and the battery life will be shortened, but when the preliminary abnormality is resolved on the transmission side Notifying this to the receiving side, or receiving a preliminary abnormal event signal and passing a certain time, by returning the shortened intermittent reception period to the original long period, suppressing the increase in current consumption as much as possible, A decrease in battery life can be prevented.

また、他の住警器から予備異常を示すイベント信号を受信した際に、間欠受信を常時受信に変更した場合にも、この状態で異常を示すイベント信号を受信した時、受信側の送信開始のタイミングがどのようなものであっても、連動警報の遅れを略なくすことができる。また、予備異常のイベント信号の受信により間欠受信を常時に変更すると、受信回路部の消費電流が増加して電池寿命を縮めることになるが、送信側で予備異常が解消された場合にこれを受信側に通知するか、或いは、予備異常のイベント信号を受信して一定時間を経過したら、常時受信を元の間欠受信に戻すことで、消費電流の増加を極力抑えて、電池寿命の低下を防止することができる。
In addition, when an event signal indicating a preliminary abnormality is received from another house alarm, even when the intermittent reception is changed to a constant reception, when the event signal indicating an abnormality is received in this state, transmission on the receiving side starts. Whatever the timing, the delay of the interlocking alarm can be almost eliminated. In addition, if intermittent reception is changed to normal by receiving a standby abnormality event signal, the current consumption of the receiving circuit will increase and the battery life will be shortened. Notify the receiver side or receive a preliminary abnormal event signal and after a certain period of time has passed, return to constant intermittent reception to minimize the increase in current consumption and reduce battery life. Can be prevented.

図1は本発明による無線式の住警器の外観を示した説明図であり、図1(A)に正面図を、図1(B)に側面図を示している。   FIG. 1 is an explanatory view showing the appearance of a wireless house alarm according to the present invention. FIG. 1 (A) shows a front view and FIG. 1 (B) shows a side view.

図1において、本実施形態の住警器10はカバー12と本体14で構成されている。カバー12の中央には、周囲に煙流入口を開口した検煙部16が配置され、火災による煙が所定濃度に達したときに火災を検出するようにしている。   In FIG. 1, the residential alarm 10 according to the present embodiment includes a cover 12 and a main body 14. In the center of the cover 12, a smoke detecting section 16 having a smoke inlet is opened around it so that a fire is detected when smoke from the fire reaches a predetermined concentration.

カバー12に設けた検煙部16の左下側には音響孔18が設けられ、この背後にスピーカを内蔵し、警報音や音声メッセージを出力できるようにしている。検煙部16の下側には警報停止スイッチ20が設けられている。警報停止スイッチ20は点検スイッチとしての機能を兼ねている。   An acoustic hole 18 is provided on the lower left side of the smoke detector 16 provided in the cover 12, and a speaker is built in behind this so that an alarm sound or a voice message can be output. An alarm stop switch 20 is provided below the smoke detector 16. The alarm stop switch 20 also functions as an inspection switch.

警報停止スイッチ20の内部には、点線で示すようにLED22が配置されており、LED22が点灯すると、警報停止スイッチ20のスイッチカバーの部分を透過してLED22の点灯状態が外部から分かるようにしている。   An LED 22 is arranged inside the alarm stop switch 20 as indicated by a dotted line. When the LED 22 is lit, the LED 22 is lit through the switch cover portion of the alarm stop switch 20 so that the lighting state of the LED 22 can be seen from the outside. Yes.

また本体14の裏側上部には取付フック15が設けられており、設置する部屋の壁にビスなどをねじ込み、このビスに取付フック15で取り付けることで、壁面に住警器10を設置することができる。   Also, a mounting hook 15 is provided on the upper back side of the main body 14, and a screw or the like is screwed into the wall of the room to be installed, and the mounting hook 15 is attached to this screw, so that the residential alarm 10 can be installed on the wall surface. it can.

なお図1の住警器10にあっては、検煙部16を備えた火災による煙を検出する住警器を例に取っているが、これ以外に火災による熱を検出するサーミスタを備えた住警器や、火災以外にガス漏れを検出する住警器についても、本発明の対象に含まれる。   In addition, in the residential alarm 10 of FIG. 1, although the residential alarm which detects the smoke by the fire provided with the smoke detection part 16 is taken as an example, the thermistor which detects the heat by a fire other than this is equipped. Household alarms and houseguards that detect gas leaks other than fire are also included in the subject of the present invention.

図2は住宅に対する本実施形態の住警器の設置状態を示した説明図である。図2の例にあっては、住宅24に設けられている台所、居間、主寝室、子供部屋のそれぞれに本実施形態の住警器10−1〜10−4が設置され、更に屋外に建てられたガレージ26にも住警器10−5を設置している。   FIG. 2 is an explanatory diagram showing the installation state of the house alarm of the present embodiment with respect to the house. In the example of FIG. 2, the residence guards 10-1 to 10-4 of the present embodiment are installed in the kitchen, living room, main bedroom, and child room provided in the house 24, and are further built outdoors. Also installed in the garage 26 is a residence guard 10-5.

住警器10−1〜10−5のそれぞれは、イベント信号を相互に無線により送受信する機能を備えており、5台の住警器10−1〜10−5で1つのグループを構成して、この住宅全体の火災監視を行っている。   Each of the home alarm devices 10-1 to 10-5 has a function of transmitting and receiving event signals wirelessly to each other, and constitutes one group with five home alarm devices 10-1 to 10-5. The entire house is being monitored for fire.

いま住宅24の子供部屋で万一、火災が発生したとすると、住警器10−4が火災を検出して警報を開始する。この火災を検出して警報を開始することを、住警器における「発報」という。住警器10−4が発報すると、住警器10−4は連動元として機能し、連動先となる他の住警器10−1〜10−3,10−5に対し、火災発報を示すイベント信号を無線により送信する。他の住警器10−1〜10−3,10−5にあっては、連動元の住警器10−4からの火災発報を示すイベント信号を受信すると、連動先としての警報動作を行う。   If a fire has occurred in the child's room of the house 24, the residence guard 10-4 detects the fire and starts an alarm. Detecting this fire and initiating an alarm is referred to as “reporting” at the home alarm. When the resident alarm 10-4 is triggered, the resident guard 10-4 functions as an interlocking source, and fires are issued to the other resident alarms 10-1 to 10-3 and 10-5 that are the interlocking destinations. An event signal indicating is transmitted by radio. In the other home alarm devices 10-1 to 10-3, 10-5, when receiving an event signal indicating a fire alarm from the home alarm device 10-4 as the interlock source, the alarm operation as the interlock destination is performed. Do.

ここで連動元となった住警器10−4の警報音としては、例えば音声メッセージにより「ウーウー 火災警報器が作動しました 確認してください」を連続して出力する。一方、連動先の住警器10−1〜10−3,10−5にあっては、「ウーウー 別の火災警報器が作動しました 確認してください」といった音声メッセージを連続して出力する。住警器10−1〜10−5が警報音を出している状態で、図1に示した住警器に設けている警報停止スイッチ20を操作すると、警報音の停止処理が行われる。   Here, as the alarm sound of the home alarm device 10-4 that is the link source, for example, “Please confirm that the Woo fire alarm has been activated” is continuously output by voice message. On the other hand, in the interlocked residence alarm devices 10-1 to 10-3 and 10-5, a voice message such as “Please confirm that another fire alarm has been activated” is output continuously. When the alarm stop switch 20 provided in the residence guard shown in FIG. 1 is operated in a state in which the residence guards 10-1 to 10-5 are emitting an alarm sound, a warning sound stop process is performed.

また住警器10−1〜10−5は障害監視機能を備えおり、障害を検知すると、例えば「ピッ」といった警報音を所定時間置きに間欠的に出力し、障害が発生したことを報知する。また障害を検出した障害元の住警器は、他の住警器に障害発生を示すイベント信号を無線送信し、他の住警器においても同じ障害警報が出力される。この結果、任意の住警器で障害が検出されると、連動警報を行うグループを構成している全ての住警器から障害警報が出力されることなる。   The home alarm devices 10-1 to 10-5 have a failure monitoring function. When a failure is detected, for example, an alarm sound such as “beep” is intermittently output every predetermined time to notify that a failure has occurred. . In addition, the fault resident alarm device that detected the fault wirelessly transmits an event signal indicating the occurrence of the fault to the other resident alarm devices, and the same fault alarm is output also in the other resident alarm devices. As a result, when a failure is detected in any residential alarm, a failure alarm is output from all the residential alarms constituting the group that performs the interlocking alarm.

住警器から出力されている障害警報は、警報停止スイッチ20を操作することで停止することができる。本実施形態において住警器で検出して警報する障害とは、電池電圧の低下を検出して警報するローバッテリー警報が主なものであり、これ以外に、検煙部などのセンサ障害など適宜の障害警報が含まれる。   The failure alarm output from the home alarm can be stopped by operating the alarm stop switch 20. In the present embodiment, the failure to be detected and alarmed by the residential alarm is mainly a low battery alarm that detects and alarms the decrease in battery voltage. Includes fault alerts.

更に、本実施形態の住警器10−1〜10−5にあっては、検出している異常の発生確率が高くなった時に予備異常を検出してイベント信号により他の住警器に送信し、他の住警器における間欠受信動作の周期を短くし、予備異常に続く本来の異常検出によるイベント信号の受信遅れを抑制し、送信側の警報開始に対する受信側の警報開始の時間遅れを抑えるようにしている。   Furthermore, in the residential alarm devices 10-1 to 10-5 of the present embodiment, when the occurrence probability of the detected abnormality is increased, a preliminary abnormality is detected and transmitted to other residential alarm devices by an event signal. The period of intermittent reception operation in other residential alarms is shortened, the reception delay of the event signal due to the original abnormality detection following the preliminary abnormality is suppressed, and the time delay of the alarm start on the reception side relative to the alarm start on the transmission side is reduced. I try to suppress it.

図3は本発明による住警器の第1実施形態を示したブロック図である。図3は図2に示した5台の住警器10−1〜10−5につき、その内の住警器10−1について回路構成を詳細に示している。   FIG. 3 is a block diagram showing a first embodiment of a residential alarm according to the present invention. FIG. 3 shows in detail the circuit configuration of the five home guards 10-1 to 10-5 shown in FIG.

住警器10−1はCPU28を備え、CPU28に対してはアンテナ31を備えた無線回路部30、記録回路部32、センサ部34、報知部36、操作部38及び電池電源40を設けている。   The home guard 10-1 includes a CPU 28, and a radio circuit unit 30, a recording circuit unit 32, a sensor unit 34, a notification unit 36, an operation unit 38, and a battery power source 40 including an antenna 31 are provided for the CPU 28. .

無線回路部30には送信回路42と受信回路44が設けられ、他の住警器10−2〜10−5との間でイベント信号を無線により送受信できるようにしている。無線回路部30としては、日本国内の場合には例えば400MHz帯の特定小電力無線局の標準規格として知られたSTD−30(小電力セキュリティシステムの無線局の無線設備の標準規格)またはSTD−T67(特定小電力無線局テレメータ用、テレコントロール用及びデータ伝送用無線設備の標準規格)に準拠した構成を備える。   The wireless circuit unit 30 is provided with a transmission circuit 42 and a reception circuit 44 so that event signals can be transmitted and received wirelessly between the other mortgages 10-2 to 10-5. As the radio circuit unit 30, in the case of Japan, for example, STD-30 (standard standard of radio equipment of a low power security system radio station) or STD- known as a standard of a specific low power radio station of 400 MHz band or STD- It has a configuration compliant with T67 (standard specification for specific low-power radio station telemeter, telecontrol and data transmission radio equipment).

もちろん無線回路部30としては、日本国内以外の場所については、その地域の割当無線局の標準規格に準拠した内容を持つことになる。   Of course, the radio circuit unit 30 has contents conforming to the standard of the assigned radio station in the area in places other than Japan.

受信回路44は間欠受信動作を行っている。受信回路44の間欠受信動作は、例えばT1=5ミリ秒の受信動作時間に続いて例えばT2=10秒の休止時間を置く周期T12(=T1+T2)の間欠受信となる。この間欠受信に対応して送信回路42は、イベント信号を間欠受信周期T12(=T1+T2)以上となるT4時間に亘り連続的に送信する。   The reception circuit 44 performs an intermittent reception operation. The intermittent reception operation of the reception circuit 44 is intermittent reception of a period T12 (= T1 + T2) in which a pause time of T2 = 10 seconds, for example, is placed following a reception operation time of T1 = 5 milliseconds, for example. Corresponding to this intermittent reception, the transmission circuit 42 continuously transmits the event signal for a time T4 that is equal to or longer than the intermittent reception cycle T12 (= T1 + T2).

更に、本実施形態の受信回路44は、その初期設定した通常状態での間欠受信周期T12を、CPU28からの指示によって、より短い間欠受信周期T13に変更することができる。   Furthermore, the receiving circuit 44 of the present embodiment can change the initially set intermittent reception cycle T12 in the normal state to a shorter intermittent reception cycle T13 according to an instruction from the CPU 28.

記録回路部32にはメモリ46が設けられている。メモリ46には住警器を特定するID(識別子)となる送信元符号50と、図2のように複数の住警器で連動警報を行うグループを構成するためのグループ符号52が格納されている。送信元符号50としては、国内に提供される住警器の数を予測し、例えば同一符号として重複しないように26ビットの符号コードが使用される。   The recording circuit unit 32 is provided with a memory 46. The memory 46 stores a transmission source code 50 that is an ID (identifier) for identifying a house alarm, and a group code 52 for configuring a group that performs a linked alarm with a plurality of house alarms as shown in FIG. Yes. As the transmission source code 50, the number of home guards provided in the country is predicted, and for example, a 26-bit code code is used so as not to be duplicated as the same code.

グループ符号52はグループを構成する複数の住警器に共通に設定される符号であり、無線回路部30で受信した他の住警器からのイベント信号に含まれるグループ符号がメモリ46に登録しているグループ符号52に一致したときに、このイベント信号を有効な信号として受信して処理することになる。   The group code 52 is a code that is set in common to a plurality of residential alarms constituting the group, and the group code included in the event signal from the other residential alarm received by the wireless circuit unit 30 is registered in the memory 46. This event signal is received as a valid signal and processed when the group code 52 matches.

なお本実施形態にあっては、記録回路部32にメモリ46を使用しているが、メモリ46の代わりにディップスイッチを設け、ディップスイッチにより送信元符号50やグループ符号52を設定するようにしてもよい。送信元符号50やグループ符号52の符号長(ビット数)が少ない場合には、ディップスイッチを用いた記録回路部32が望ましい。   In this embodiment, the memory 46 is used for the recording circuit unit 32. However, a dip switch is provided instead of the memory 46, and the transmission source code 50 and the group code 52 are set by the dip switch. Also good. When the code length (number of bits) of the transmission source code 50 and the group code 52 is small, the recording circuit unit 32 using a dip switch is desirable.

センサ部34には、本実施形態にあっては検煙部16が設けられ、煙濃度に応じた煙検出信号をCPU28に出力している。センサ部34には検煙部16以外に、火災による温度を検出するサーミスタを設けてもよい。またガス漏れ監視用の住警器の場合には、センサ部34にガス漏れセンサが設けられることになる。   In the present embodiment, the sensor unit 34 is provided with the smoke detector 16, and outputs a smoke detection signal corresponding to the smoke density to the CPU 28. In addition to the smoke detector 16, the sensor unit 34 may be provided with a thermistor that detects a temperature due to a fire. In the case of a gas leak monitoring residence guard, a gas leak sensor is provided in the sensor unit 34.

報知部36にはスピーカ56とLED22が設けられている。スピーカ56は、図示しない音声合成回路部からの音声メッセージや警報音を出力する。LED22は点滅や明滅、点灯などにより、火災などの異常及び障害を表示する。   The notification unit 36 is provided with a speaker 56 and an LED 22. The speaker 56 outputs a voice message and an alarm sound from a voice synthesis circuit unit (not shown). The LED 22 displays an abnormality or failure such as a fire by blinking, blinking, or lighting.

操作部38には警報停止スイッチ20が設けられている。警報停止スイッチ20を操作すると、住警器10−1から流している警報音を停止することができる。警報停止スイッチ20は、本実施形態にあっては点検スイッチを兼用している。   The operation unit 38 is provided with an alarm stop switch 20. When the alarm stop switch 20 is operated, the alarm sound flowing from the residential alarm 10-1 can be stopped. The alarm stop switch 20 also serves as an inspection switch in the present embodiment.

警報停止スイッチ20は、報知部36からスピーカ56により警報音を出力しているときに有効となる。一方、警報音を出力していない通常監視状態で警報停止スイッチ20は点検スイッチとして機能し、点検スイッチを押すと、報知部36から点検用の音声メッセージなどが出力される。   The alarm stop switch 20 is effective when an alarm sound is output from the notification unit 36 through the speaker 56. On the other hand, the alarm stop switch 20 functions as an inspection switch in a normal monitoring state in which no alarm sound is output. When the inspection switch is pressed, a notification voice message or the like is output from the notification unit 36.

電池電源40は、例えば所定セル数のアルカリ乾電池を使用しており、電池容量としては住警器10−1における無線回路部30を含む回路部全体の低消費電力化により、約10年の電池寿命を保証している。   The battery power supply 40 uses, for example, an alkaline dry battery having a predetermined number of cells, and has a battery capacity of about 10 years due to a reduction in power consumption of the entire circuit unit including the wireless circuit unit 30 in the residential alarm 10-1. The lifetime is guaranteed.

CPU28にはプログラムの実行により実現される機能として、予備異常検出部58、予備異常監視部60及び異常監視部62が設けられている。   The CPU 28 is provided with a preliminary abnormality detection unit 58, a preliminary abnormality monitoring unit 60, and an abnormality monitoring unit 62 as functions realized by executing the program.

予備異常検出部58はセンサ部34に設けた検煙部16で検出する煙濃度による火災の発生確率が高くなった時に予備異常を検出する。具体的には、火災を検出する火災レベルに対し、それより低い予備異常レベルを設定しており、センサ部34からの煙検出信号が予備異常レベルを超えた時に予備異常を検出する。   The preliminary abnormality detector 58 detects a preliminary abnormality when the probability of fire occurrence due to the smoke concentration detected by the smoke detector 16 provided in the sensor unit 34 is increased. Specifically, a preliminary abnormality level lower than that is set for the fire level for detecting a fire, and a preliminary abnormality is detected when the smoke detection signal from the sensor unit 34 exceeds the preliminary abnormality level.

予備異常監視部60は、予備異常検出部58により予備異常を検出した時に、予備異常を示すイベント信号を無線回路部30の送信回路42によりアンテナ31から他の警報器10−2〜10−5に送信し、一方、無線回路部30の受信回路44により他の警報器10−2〜10−5から予備異常を示すイベント信号を受信した時に、受信回路44の受信周期T12を短い周期T13に変更する。   When the preliminary abnormality detection unit 58 detects a preliminary abnormality, the preliminary abnormality monitoring unit 60 transmits an event signal indicating the preliminary abnormality from the antenna 31 to the other alarm devices 10-2 to 10-5 by the transmission circuit 42 of the wireless circuit unit 30. On the other hand, when an event signal indicating a preliminary abnormality is received from the other alarm devices 10-2 to 10-5 by the reception circuit 44 of the wireless circuit unit 30, the reception cycle T12 of the reception circuit 44 is changed to a short cycle T13. change.

また、予備異常監視部60は、予備異常を検出した時に、報知部36に設けているLEDを動作し、予備異常警報を出力させても良い。   Further, when the preliminary abnormality monitoring unit 60 detects a preliminary abnormality, the preliminary abnormality monitoring unit 60 may operate an LED provided in the notification unit 36 to output a preliminary abnormality alarm.

更に、予備異常監視部60は、予備異常を示すイベント信号を送信した後に、予備異常が検出されなくなった時、予備異常の復旧を示すイベント信号を他の警報器に送信し、一方、他の警報器から予備異常を示すイベント信号を受信して受信回路44の受信周期T12を短い周期T13に変更した後に予備異常の復旧を示すイベント信号を受信した時、短くした受信周期T13を元の周期T12に戻し、消費電流を極力抑える。   Further, the preliminary abnormality monitoring unit 60 transmits an event signal indicating the recovery of the preliminary abnormality to the other alarm device when the preliminary abnormality is not detected after transmitting the event signal indicating the preliminary abnormality. When the event signal indicating the recovery of the preliminary abnormality is received after the event signal indicating the preliminary abnormality is received from the alarm device and the reception period T12 of the receiving circuit 44 is changed to the short period T13, the shortened reception period T13 is the original period. Return to T12 and suppress current consumption as much as possible.

異常監視部62は、センサ部34に設けた検煙部16からの煙検出信号が火災レベルを超えて火災を検出したときに、報知部36のスピーカ56から連動元を示す警報音例えば「ウーウー 火災警報器が作動しました 確認してください」を繰り返し出力させると共に、火災発報を示すイベント信号を無線回路部30の送信回路42によりアンテナ31から他の住警器10−2〜10−5に向けて送信させる。   When the smoke detection signal from the smoke detector 16 provided in the sensor unit 34 exceeds the fire level and detects a fire, the abnormality monitoring unit 62 generates an alarm sound indicating the interlocking source from the speaker 56 of the notification unit 36, for example, “Wooooo”. “Please check that the fire alarm has been activated” repeatedly, and an event signal indicating the fire alarm is transmitted from the antenna 31 to the other residential alarm devices 10-2 to 10-5 by the transmission circuit 42 of the radio circuit unit 30. To send to.

また、異常監視部62は、他の住警器10−2〜10−5のいずれかから火災発報を示すイベント信号を無線回路部30の受信回路44により受信したときに、報知部36のスピーカ56から連動先を示す警報音例えば「ウーウー 別の火災警報器が作動しました 確認してください」となる音声メッセージを連続的に出力させる。   In addition, when the abnormality monitoring unit 62 receives an event signal indicating a fire alarm from any of the other residential alarm devices 10-2 to 10-5 by the receiving circuit 44 of the wireless circuit unit 30, An alarm sound indicating the link destination, for example, “Woooo Check if another fire alarm has been activated” is continuously output from the speaker 56.

ここで、異常監視部62で火災発報を検出して連動元警報音を出すときには、報知部36のLED22を例えば明滅させ、一方、連動先警報音を出す場合には、報知部36のLED22を点滅させる。これによって、連動元警報と連動先警報におけるLED22の表示を区別できるようにしている。もちろん、連動元警報と連動先警報のいずれについても、同じLED22の明滅または点滅表示であってもよい。   Here, when the abnormality monitoring unit 62 detects a fire alarm and outputs an interlocking source alarm sound, for example, the LED 22 of the notification unit 36 is blinked, while when the interlocking destination alarm sound is output, the LED 22 of the notification unit 36 is emitted. Blinks. Thereby, the display of the LED 22 in the interlocking source alarm and the interlocking destination alarm can be distinguished. Of course, the blinking or flashing display of the same LED 22 may be used for both the interlocking source alarm and the interlocking destination alarm.

また異常監視部62は、電池電源40の電圧低下によるローバッテリーを障害として検出した時に、例えば1分に1回、「ピッ」といった短いローバッテリー警報音を出すことにより障害警報音を出力させると共に、障害を示すイベント信号を他の住警器10−2〜10−5に送信する。   In addition, when the abnormality monitoring unit 62 detects a low battery due to a voltage drop of the battery power supply 40 as a failure, for example, once every minute, the abnormality monitoring unit 62 outputs a failure warning sound by outputting a short low battery warning sound such as “beep”. Then, an event signal indicating a failure is transmitted to the other residential alarm devices 10-2 to 10-5.

また、異常監視部62は、他の住警器10−2〜10−5のいずれかから障害を示すイベント信号を受信した時に、ローバッテリー警報音を同様に間欠的に出すことにより、障害警報音の連動出力を行う。このローバッテリーの連動先での警報については、警報音に同期してLED22を点滅させても良い。   In addition, when the abnormality monitoring unit 62 receives an event signal indicating a failure from any of the other dwelling devices 10-2 to 10-5, the failure monitoring unit 62 intermittently emits a low battery warning sound in the same manner, thereby causing a failure warning. Performs synchronized output of sound. Regarding the alarm at the low battery interlocking destination, the LED 22 may be blinked in synchronization with the alarm sound.

図4は本実施形態で使用するイベント信号のフォーマットを示した説明図である。図4において、イベント信号48は送信元符号50、グループ符号52及びイベント符号54で構成されている。送信元符号50は例えば26ビットの符号である。またグループ符号52は例えば8ビットの符号であり、同一グループを構成する例えば図3の5台の住警器10−1〜10−5につき同じグループ符号が設定されている。   FIG. 4 is an explanatory diagram showing the format of the event signal used in this embodiment. In FIG. 4, the event signal 48 includes a transmission source code 50, a group code 52, and an event code 54. The transmission source code 50 is a 26-bit code, for example. The group code 52 is, for example, an 8-bit code, and the same group code is set for, for example, the five residential alarm devices 10-1 to 10-5 in FIG.

なおグループ符号52としては、同一グループの住警器に同一のグループ符号を設定する以外に、予め定めたグループを構成する住警器に共通な基準符号と、各住警器に固有な送信元符号との演算から求めた住警器ごとに異なるグループ符号であってもよい。   In addition, as the group code 52, in addition to setting the same group code to the same group of house alarms, a reference code common to the house alarms constituting a predetermined group, and a transmission source unique to each house alarm A different group code may be used for each residential alarm obtained from the calculation with the code.

イベント符号54は、火災、ガス漏れなどの異常や障害といったイベント内容を表す符号であり、本実施形態にあっては3ビット符号を使用しており、例えば「001」で予備異常、「010」で予備異常解除、「011」で火災、「101」でガス漏れ、残りをリザーブとしている。   The event code 54 is a code representing an event content such as an abnormality or failure such as a fire or a gas leak. In this embodiment, a 3-bit code is used. For example, “001” indicates a preliminary abnormality, and “010”. Preliminary abnormality cancellation at “011”, fire at “011”, gas leakage at “101”, and reserve for the rest.

なおイベント符号54のビット数は、イベントの種類が増加したときには更に4ビット、5ビットと増加させることで、複数種類のイベント内容を表すことができる。   Note that the number of bits of the event code 54 can be increased to 4 bits and 5 bits when the type of event is increased, thereby representing a plurality of types of event contents.

図5は本実施形態における予備異常を検出したときの送信側と受信側の動作を示したタイムチャートである。図5(A)は送信側住警器の送信動作であり、図5(B)は受信側住警器の受信動作である。   FIG. 5 is a time chart showing operations on the transmission side and the reception side when a preliminary abnormality is detected in the present embodiment. FIG. 5 (A) shows the transmission operation of the transmission side resident alarm, and FIG. 5 (B) shows the reception operation of the reception side resident alarm.

図5(B)の受信側住警器にあっては、通常の監視状態では初期設定された受信動作時間T1と休止時間T2からなる間欠受信周期T12(=T1+T2)により間欠的な受信動作を行っており、受信動作時間T1は例えばT1=5ミリ秒であり、中止時間T2は例えばT2=10秒であり、したがって間欠受信周期T12はT12=約10秒となっている。   5B, in the normal monitoring state, intermittent reception operation is performed with an intermittent reception cycle T12 (= T1 + T2) including the initially set reception operation time T1 and pause time T2. The reception operation time T1 is, for example, T1 = 5 milliseconds, the stop time T2 is, for example, T2 = 10 seconds, and therefore the intermittent reception cycle T12 is T12 = about 10 seconds.

この状態で、図5(A)に示すように送信側住警器で予備異常が検出されたとすると、予備異常の検出タイミングとなる時刻t2で、所定時間T4に亘り、図4に示した予備異常「001」をイベント符号54に設定したイベント信号48を繰り返し連続的に送信する。この送受信時間T4は間欠受信周期T2以上の時間となっている。   In this state, as shown in FIG. 5 (A), if a preliminary abnormality is detected by the transmitting side resident alarm, the preliminary abnormality shown in FIG. 4 is performed for a predetermined time T4 at time t2 which is the detection timing of the preliminary abnormality. The event signal 48 in which the abnormality “001” is set to the event code 54 is repeatedly and continuously transmitted. This transmission / reception time T4 is longer than the intermittent reception cycle T2.

このような任意のタイミングで送信側住警器から送信された予備異常を含むイベント信号は、時刻t1の受信動作に続いて休止止時間T2を経過した時刻t3のタイミングからの受信動作時間に受信さける。受信側住警器が予備異常を含むイベント信号を受信すると、間欠受信周期をそれまでの周期T12から短い周期T13に変更する。ここで変更後の短い間欠受信周期T13は、例えばT13=3秒とする。   The event signal including the preliminary abnormality transmitted from the transmission-side house keeper at such an arbitrary timing is received at the reception operation time from the timing of time t3 when the pause time T2 has elapsed following the reception operation of time t1. Avoid. When the receiving side resident alarm receives the event signal including the preliminary abnormality, the intermittent reception cycle is changed from the previous cycle T12 to the short cycle T13. Here, the short intermittent reception cycle T13 after the change is, for example, T13 = 3 seconds.

図6は図5の予備異常検出後に本来の火災となる異常を検出したときの送信側と受信側の動作を示したタイムチャートである。図6(B)の受信側住警器にあっては、図5のように、既に受信した予備異常を含むイベント信号に基づき、間欠受信周期は短い周期T13に変更されている。   FIG. 6 is a time chart showing the operations on the transmission side and the reception side when an abnormality that becomes a natural fire is detected after the preliminary abnormality detection of FIG. 6B, the intermittent reception cycle is changed to a short cycle T13 based on the already received event signal including the preliminary abnormality as shown in FIG.

この状態で、図6(A)に示す送信側住警器が例えば受信動作期間の直後の時刻t1で火災発報し、火災発報を示すイベント信号の送信を開始したとすると、この火災発報のイベント信号は時刻t1から休止時間T3を経過した時刻t2からの受信動作により受信され、図6(C)に示すように、受信側住警器は警報出力を行う。   In this state, suppose that the transmitting side house alarm shown in FIG. 6 (A) fires at, for example, time t1 immediately after the receiving operation period, and starts transmitting an event signal indicating fire firing. The information event signal is received by the receiving operation from time t2 when the suspension time T3 has elapsed from time t1, and the receiving side resident alarm outputs an alarm as shown in FIG. 6C.

この場合、送信側住警器が時刻t1で火災発報を検出して警報してから時刻t2で受信側住警器で火災発報のイベント信号を受信して連動警報を警報出力するまでの遅れ時間はTdであり、この場合、遅れ時間Tdは、間欠受信における休止時間T3にほぼ相当する。   In this case, from the time when the transmitting side resident alarm detects and alerts the fire alarm at time t1, the receiving side resident alarm receives the fire alarm event signal at time t2 until the interlock alarm is output. The delay time is Td. In this case, the delay time Td substantially corresponds to the pause time T3 in intermittent reception.

このため予備異常のイベント信号の受信で、通常時の間欠受信周期T12から、より短い間欠受信周期T13に切り替え、この状態で送信側からの火災発報のイベント信号を受信側住警器で受信して警報することで、図6に示す最も遅れ時間Tdが長くなる受信動作直後のタイミングで送信が行われたとしても、遅れ時間Tdを短い周期T13に変更した後の休止時間T3以内に抑えることができる。   For this reason, when receiving the event signal of the preliminary abnormality, the normal intermittent reception cycle T12 is switched to the shorter intermittent reception cycle T13, and in this state, the event signal of the fire alarm from the transmission side is received by the reception side residential alarm. Even if transmission is performed immediately after the reception operation in which the delay time Td becomes the longest as shown in FIG. 6, the delay time Td is suppressed within the pause time T3 after changing to the short cycle T13. Can do.

即ち本実施形態の場合には、予備異常を受信せずにそのままの間欠受信動作による場合の遅れ時間約10秒に対し、予備異常の受信で間欠受信周期をT13に変更することで遅れ時間を約3秒以内に短縮することができる。   In other words, in the case of this embodiment, the delay time is reduced by changing the intermittent reception period to T13 in the reception of the preliminary abnormality, while the delay time is about 10 seconds in the case of the intermittent reception operation without receiving the preliminary abnormality. It can be shortened within about 3 seconds.

図7は本実施形態における間欠受信周期と平均消費電流の関係を示したタイムチャートである。図7(A)は初期設定された通常時の間欠受信周期T12における間欠受信動作であり、この場合の平均電流Ia1は
Ia1=(Ir×T1)/T12
で与えられる。
FIG. 7 is a time chart showing the relationship between the intermittent reception period and the average current consumption in the present embodiment. FIG. 7A shows the intermittent reception operation in the normal intermittent reception cycle T12 which is initially set. The average current Ia1 in this case is Ia1 = (Ir × T1) / T12.
Given in.

図7(B)は予備異常のイベント信号を受信して間欠受信周期T12を短い間欠受信周期T13に変更した場合であり、この場合の平均消費電流Ia2は
Ia2=(Ir×T1)/T13
で与えられる。
FIG. 7B shows a case where a preliminary abnormal event signal is received and the intermittent reception cycle T12 is changed to a short intermittent reception cycle T13. In this case, the average current consumption Ia2 is Ia2 = (Ir × T1) / T13.
Given in.

このため、間欠受信周期T12が予備異常のイベント信号の受信により間欠受信周期T13と短い周期に変更されることで、変更中は受信回路の平均電流がIa1からIa2に増加することになる。   For this reason, the intermittent reception period T12 is changed to a period shorter than the intermittent reception period T13 by receiving the preliminary abnormal event signal, so that the average current of the receiving circuit increases from Ia1 to Ia2 during the change.

このように受信周期を短い周期に変更すると受信回路の平均電流が増加することから、本実施形態にあっては、不必要な受信回路の消費電流の増加を抑制するため、送信側住警器で予備異常を検出しなくなったときには予備異常の復旧を示すイベント信号を送信し、この予備異常の復旧を示すイベント信号を受信して、受信側住警器にあっては、間欠受信周期T13と短い周期に切り替えた状態を元の長い周期である間欠受信周期T12に戻すように動作する。   Since the average current of the receiving circuit increases when the reception cycle is changed to a short cycle in this way, in this embodiment, in order to suppress an increase in unnecessary current consumption of the receiving circuit, When the standby abnormality is no longer detected, an event signal indicating the recovery of the preliminary abnormality is transmitted, and an event signal indicating the recovery of the preliminary abnormality is received. It operates to return the state switched to the short cycle to the intermittent reception cycle T12 which is the original long cycle.

図8は本実施形態による連動警報を伴う火災監視処理を示したタイムチャートであり、説明を簡単にするため、3つの住警器10−1〜10−3を例に取っている。   FIG. 8 is a time chart showing a fire monitoring process with an interlocking alarm according to the present embodiment, and takes three residential alarm devices 10-1 to 10-3 as an example in order to simplify the explanation.

図8において、住警器10−1のステップS1でセンサ部34からの煙濃度検出信号が所定の予備異常レベルを超えることで予備異常が検出されると、ステップS2で予備異常のイベント信号を住警器10−2,10−3に送信し、ステップS3で予備異常の検出表示、例えばLED22の点滅表示などを行う。   In FIG. 8, when a preliminary abnormality is detected in step S <b> 1 of the residential alarm device 10-1 when the smoke density detection signal from the sensor unit 34 exceeds a predetermined preliminary abnormal level, an event signal for the preliminary abnormality is detected in step S <b> 2. The transmitted information is sent to the home alarm devices 10-2 and 10-3, and a preliminary abnormality detection display, for example, a blinking display of the LED 22 is performed in step S3.

住警器10−2,10−3にあっては、ステップS4,S5のそれぞれで住警器10−1からのイベント信号を受信し、イベント信号に含まれる予備異常を判別し、間欠受信周期をそれまでのT12から短い間欠受信周期T13に変更する。   In the home alarm devices 10-2 and 10-3, the event signal from the home alarm device 10-1 is received in each of steps S4 and S5, the preliminary abnormality included in the event signal is determined, and the intermittent reception cycle is performed. Is changed from T12 so far to a short intermittent reception cycle T13.

続いて、予備異常を検出した住警器10−1にあっては、ステップS6で火災発報を検出すると、ステップS7で火災発報を示すイベント信号を住警器10−2,10−3に送信し、ステップS8で連動元を示す火災警報を出力する。   Subsequently, when the fire alarm is detected in step S6, the home alarm device 10-1 and 10-3 that have detected a preliminary abnormality receive an event signal indicating the fire alarm in step S7. In step S8, a fire alarm indicating the link source is output.

住警器10−2,10−3は、ステップS9,S10で火災発報のイベント信号を受信し、ステップS11,S12で連動先の火災警報の出力を行うことになる。このとき住警器10−2,10−3の間欠受信周期は短い周期T13に変更されているため、住警器10−1における火災発報のイベント信号の送信タイミングがどのようなものであっても、ステップS8の連動元の火災警報から、ステップS11,S12における他の住警器10−2,10−3における連動先の火災警報の開始までの遅れ時間は、変更した短い間欠受信周期T13以下の遅れ時間に抑えることができる。   The home alarm devices 10-2 and 10-3 receive the fire alarm event signal at steps S9 and S10, and output the interlocked fire alarm at steps S11 and S12. At this time, since the intermittent reception cycle of the residence warning devices 10-2 and 10-3 is changed to a short cycle T13, what is the transmission timing of the event signal of the fire alarm in the residence warning device 10-1. However, the delay time from the fire alarm at the link source at step S8 to the start of the fire alarm at the link destination at the other residential alarm devices 10-2 and 10-3 at steps S11 and S12 is the changed short intermittent reception cycle. The delay time can be suppressed to T13 or less.

図9は図3の住警器10−1に設けたCPU28による火災監視処理を示したフローチャートである。図9において、住警器の電池電源を有効(オン)とすると、ステップS21で初期化処理が行われる。この初期化処理には他の住警器10−1〜10−5との間で連動警報のグループを構成するためのグループ符号の設定が含まれる。   FIG. 9 is a flowchart showing a fire monitoring process by the CPU 28 provided in the residential alarm 10-1 of FIG. In FIG. 9, when the battery power supply of the home alarm is enabled (turned on), an initialization process is performed in step S21. This initialization process includes setting of a group code for forming a group of interlocking alarms with the other residential alarm devices 10-1 to 10-5.

続いて住警器は監視状態に入り、ステップS22で予備異常が検出されたか否かを判別しており、センサ部34に設けた検煙部16からの煙検出信号が所定の予備異常レベルを超えると、予備異常を検出し、ステップS23に進み、予備異常のイベント信号を無線回路部30に設けた送信回路42から所定時間T4に亘り、繰り返し連続的にアンテナ31から他の住警器10−2〜10−5に送信し、ステップS24で、報知部36に設けているLED22の端末などにより予備異常の検出表示を行う。   Subsequently, the home alarm enters a monitoring state, and determines whether or not a preliminary abnormality is detected in step S22. The smoke detection signal from the smoke detector 16 provided in the sensor unit 34 has a predetermined preliminary abnormality level. If it exceeds, a preliminary abnormality is detected, the process proceeds to step S23, and an event signal of the preliminary abnormality is repeatedly and continuously transmitted from the antenna 31 to the other residential alarm device 10 over a predetermined time T4 from the transmission circuit 42 provided in the radio circuit unit 30. -2 to 10-5, and in step S24, a preliminary abnormality detection display is performed by the terminal of the LED 22 provided in the notification unit 36 or the like.

続いて、ステップS25で、センサ部34に設けた検煙部16からの煙検出信号が所定の火災レベルを超えるか否かで火災発報の有無を判別している。火災発報がない場合には、ステップS26で予備異常の解除の有無を判別し、もし予備異常が解除された場合には、ステップS27で予備異常解除のイベント信号を他の住警器10−2〜10−5に送信した後、ステップS28で予備異常の検出表示を停止し、ステップS22の処理に戻る。   Subsequently, in step S25, the presence or absence of a fire alarm is determined based on whether or not the smoke detection signal from the smoke detector 16 provided in the sensor unit 34 exceeds a predetermined fire level. If there is no fire alarm, it is determined in step S26 whether or not the preliminary abnormality has been cancelled. If the preliminary abnormality has been canceled, the event signal for canceling the preliminary abnormality is sent in step S27 to the other residential alarm 10-. After transmitting to 2 to 10-5, the detection and display of the preliminary abnormality is stopped in step S28, and the process returns to step S22.

一方、ステップS25で火災発報が判別された場合には、ステップS29に進み、火災発報のイベント信号を他の住警器10−2〜10−5に送信した後、ステップS30で連動元の火災警報を報知部36のスピーカ56からの音響出力及びLED22の点灯制御で出力する。   On the other hand, if a fire alarm is determined in step S25, the process proceeds to step S29, where an event signal of the fire alarm is transmitted to the other residential alarm devices 10-2 to 10-5, and then in step S30, the interlock source Is output by sound output from the speaker 56 of the notification unit 36 and lighting control of the LED 22.

連動元の火災警報を行った後は、ステップS31で警報停止スイッチ20による警報停止操作の有無を判別しており、警報停止操作があれば、ステップS32で警報停止を行う。   After performing the fire alarm of the interlocking source, it is determined in step S31 whether or not there is an alarm stop operation by the alarm stop switch 20, and if there is an alarm stop operation, the alarm is stopped in step S32.

一方、ステップS22で予備異常の検出がない場合には、ステップS33に進み、他の住警器から予備異常のイベント信号を受信したか否か判別しており、予備異常のイベント信号の受信を判別すると、ステップS34に進み、間欠受信周期をそれまでの周期T12から短い周期T13に変更する。   On the other hand, if no preliminary abnormality is detected in step S22, the process proceeds to step S33, in which it is determined whether or not a preliminary abnormal event signal has been received from another residential alarm, and the preliminary abnormal event signal is received. If it discriminate | determines, it will progress to step S34 and will change an intermittent reception period from the period T12 until then to the short period T13.

間欠受信周期を短い周期に変更した後は、ステップS35で火災発報のイベント信号の受信の有無をチェックしており、火災発報のイベント信号の受信を判別すると、ステップS38で連動先の火災警報を出力し、ステップS31で警報停止操作があれば、ステップS32で警報を停止することになる。   After the intermittent reception cycle is changed to a short cycle, it is checked in step S35 whether or not a fire alarm event signal has been received. If an alarm is output and an alarm stop operation is performed in step S31, the alarm is stopped in step S32.

またステップS35で火災発報のイベント信号の受信がない場合には、ステップS36で予備異常解除のイベント信号の受信の有無をチェックしており、予備異常解除のイベント信号の受信を判別すると、ステップS37で間欠受信周期を元の周期に復旧して、ステップS22の処理に戻るようになる。   If no event signal for fire alarm is received in step S35, it is checked in step S36 whether or not an event signal for canceling the preliminary abnormality is received. In S37, the intermittent reception period is restored to the original period, and the process returns to step S22.

図10は図3の住警器10−1に設けたCPU28による火災監視処理の他の実施形態を示したフローチャートであり、この実施形態にあっては、送信側住警器で予備異常が解除されても予備異常解除のイベント信号を送信せず、受信側住警器にあっては予備異常のイベント信号を受信して間欠受信周期を短い周期に変更した後、一定時間を経過しても火災発報のイベント信号を受信しない場合には、間欠受信周期を元の周期に復旧するようにしたことを特徴とする。   FIG. 10 is a flowchart showing another embodiment of the fire monitoring process performed by the CPU 28 provided in the residential alarm 10-1 of FIG. 3, and in this embodiment, the preliminary abnormality is released by the transmitting-side residential alarm. Even if a certain period of time elapses after the event signal of the preliminary abnormality is received and the intermittent reception cycle is changed to a short cycle without receiving the event signal of the preliminary abnormality cancellation When the event signal for fire alarm is not received, the intermittent reception cycle is restored to the original cycle.

図10において、火災監視処理におけるステップS41〜S46は図9のステップS21〜S26と同じであり、電源投入に伴う初期化処理後に予備異常を検出すると、予備異常を示すイベント信号を送信した後に予備異常の検出表示を行い、その後、火災発報がない場合には予備異常の解除の有無を判別している。ここで、ステップS46で予備異常の解除を判別すると、ステップS47で予備異常の検出表示を停止し、図9の実施形態のように予備異常解除を示すイベント信号の送信は行わない。   In FIG. 10, steps S41 to S46 in the fire monitoring process are the same as steps S21 to S26 in FIG. 9, and when a preliminary abnormality is detected after the initialization process associated with power-on, a preliminary signal is transmitted after an event signal indicating the preliminary abnormality is transmitted. Abnormality detection is displayed, and if there is no fire alarm, it is determined whether or not the preliminary abnormality has been released. If it is determined in step S46 that the preliminary abnormality is canceled, the preliminary abnormality detection display is stopped in step S47, and the event signal indicating the preliminary abnormality cancellation is not transmitted as in the embodiment of FIG.

ステップS45で火災発報を判別した場合のステップS48〜S51の処理は、図9のステップS29〜S32と同じである。   The processing in steps S48 to S51 when the fire report is determined in step S45 is the same as steps S29 to S32 in FIG.

一方、ステップS42で予備異常の検出を判別しない場合には、ステップS52で予備異常のイベント信号の受信の有無をチェックしており、予備異常のイベント信号を受信すると、ステップS53で間欠受信周期をそれまでの周期T12から短い周期T13に変更する。   On the other hand, if it is not determined in step S42 that a preliminary abnormality has been detected, whether or not a preliminary abnormal event signal has been received is checked in step S52. If a preliminary abnormal event signal is received, an intermittent reception cycle is set in step S53. The previous cycle T12 is changed to a shorter cycle T13.

続いてステップS54で火災発報のイベント信号の受信の有無を判別しているが、火災発報のイベント信号の受信がない場合には、ステップS55で予備異常のイベント信号の受信で起動したタイマによる一定時間経過の有無を判別しており、一定時間を経過しても火災発報のイベント信号の受信がない場合には、ステップS56で短い周期に変更した間欠受信周期を元の周期に復旧させる。   Subsequently, in step S54, it is determined whether or not a fire alarm event signal has been received. However, if no fire alarm event signal has been received, a timer started upon reception of a preliminary abnormal event signal in step S55. If there is no fire alarm event signal received after a certain period of time, the intermittent reception period changed to a shorter period in step S56 is restored to the original period. Let

またステップS54で火災発報のイベント信号を受信すれば、ステップS57で連動先の火災警報を行うことになる。   If a fire alert event signal is received in step S54, a linked fire alarm is issued in step S57.

このように受信側住警器で予備異常のイベント信号を受信して間欠受信周期を短い周期に変更した後、一定時間を経過しても火災発報のイベント信号が受信されない場合には、予備異常を検出した送信側の住警器において予備異常が解除されていることが予想されることから、この場合には、それ以上、間欠受信周期の短い状態を続けて消費電流が増加することを阻止するため、一定時間経過で間欠受信周期を元の周期に戻し、必要以上の消費電流の増加を抑えることになる。   In this way, after receiving a pre-abnormal event signal at the receiving side live alarm and changing the intermittent reception cycle to a short cycle, if a fire alarm event signal is not received even after a certain period of time, In this case, it is expected that the current consumption will continue to increase with a short intermittent reception cycle, since it is expected that the preliminary abnormality has been canceled in the sending side resident alarm that detected the abnormality. In order to prevent this, the intermittent reception cycle is returned to the original cycle after a certain period of time, and an increase in current consumption more than necessary is suppressed.

また、本発明の他の実施形態として、予備異常監視部60は、予備異常を検出した時に、予備異常を示すイベント信号を他の警報器に送信し、一方、他の警報器から予備異常を示すイベント信号を受信した時に、受信回路44の間欠受信を常時受信に変更するようにしても良い。   Further, as another embodiment of the present invention, when the preliminary abnormality monitoring unit 60 detects a preliminary abnormality, the preliminary abnormality monitoring unit 60 transmits an event signal indicating the preliminary abnormality to another alarm device, while the other abnormality alarm device detects the preliminary abnormality. When the event signal shown is received, the intermittent reception of the reception circuit 44 may be changed to always reception.

この場合、図9の実施形態における予備異常監視部60は、他の警報器から予備異常を示すイベント信号を受信して受信回路部の間欠受信を常時受信に変更した後に、予備異常の復旧を示すイベント信号を受信した時、常時受信を元の間欠受信に戻す。   In this case, the standby abnormality monitoring unit 60 in the embodiment of FIG. 9 recovers the preliminary abnormality after receiving the event signal indicating the preliminary abnormality from another alarm device and changing the intermittent reception of the receiving circuit unit to the constant reception. When the event signal shown is received, the normal reception is returned to the original intermittent reception.

また図10の実施形態における予備異常監視部60は、他の警報器から予備異常を示すイベント信号を受信して受信回路44の間欠受信を常時受信に変更した後に所定時間を経過した時、常時受信を元の間欠受信に戻す。   In addition, the standby abnormality monitoring unit 60 in the embodiment of FIG. 10 always receives the event signal indicating the preliminary abnormality from another alarm device and changes the intermittent reception of the reception circuit 44 to the constant reception, and when a predetermined time has elapsed, Return reception to the original intermittent reception.

このように予備異常のイベント信号の受信で常時受信に切替えることで、その後に発生する火災のイベント信号を遅延なしで受信して迅速に火災警報を行うことができる。   In this way, by switching to the constant reception by receiving the preliminary abnormal event signal, it is possible to receive the fire event signal that occurs thereafter without delay and to promptly issue a fire alarm.

なお、上記の実施形態は火災検出を対象とした住警器を例に取るものであったが、これ以外にガス漏れ警報器や防犯用の警報器など、それ以外の適宜の異常を検出する警報器につき、本実施形態の予備異常を含む監視処理をそのまま適用することができる。また住宅用に限らす、ビルやオフィス用などの各種の用途の警報器にも適用できる。   In addition, although said embodiment took the resident alarm for fire detection as an example, in addition to this, other appropriate abnormalities, such as a gas leak alarm and a security alarm, are detected. For the alarm device, the monitoring process including the preliminary abnormality of the present embodiment can be applied as it is. It can also be applied to alarm devices for various purposes such as buildings and offices, not limited to residential use.

また上記の実施形態にあっては、予備異常の検出をCPUにおけるプログラムにより実行される機能で検出するようにしているが、住警器に設けているセンサ部34そのものに、予備異常を検出して出力する回路機能を持たせるようにしてもよい。   Further, in the above embodiment, the detection of the preliminary abnormality is detected by the function executed by the program in the CPU, but the preliminary abnormality is detected by the sensor unit 34 provided in the resident alarm. It is also possible to provide a circuit function for outputting the output.

また上記の実施形態は、警報器にセンサ部を一体に設けた場合を例に取るものであったが、他の実施形態として住警器からセンサ部を別体として設けた警報器であってもよい。   Moreover, although said embodiment took the case where the sensor part was integrally provided in the alarm device as an example, as another embodiment, it is an alarm device provided with the sensor part as a separate body from the residential alarm device. Also good.

また本発明は上記の実施形態に限定されず、その目的と利点を損なうことのない適宜の変形を含み、更に上記の実施形態に示した数値による限定は受けない。
The present invention is not limited to the above-described embodiments, includes appropriate modifications that do not impair the objects and advantages thereof, and is not limited by the numerical values shown in the above-described embodiments.

本発明による住警器の外観を示した説明図Explanatory drawing which showed the external appearance of the house alarm device by this invention 住宅に対する住警器の設置状態を示した説明図Explanatory diagram showing the installation state of the house alarm for the house 本発明による住警器の実施形態を示したブロック図The block diagram which showed embodiment of the residence guard by this invention 本実施形態で使用するイベント信号のフォーマットを示した説明図Explanatory drawing showing the format of the event signal used in this embodiment 本実施形態における予備異常を検出した時の送信側と受信側の動作を示したタイムチャートTime chart showing operations on the transmitting side and the receiving side when a preliminary abnormality is detected in this embodiment 図5の予備異常検出後に異常を検出した時の送信側と受信側の動作を示したタイムチャートFIG. 5 is a time chart showing operations on the transmission side and the reception side when an abnormality is detected after the detection of the preliminary abnormality in FIG. 本実施形態における間欠受信周期と平均消費電流の関係を示したタイムチャートTime chart showing the relationship between the intermittent reception period and average current consumption in this embodiment 本実施形態による連動警報を伴う火災監視処理を示したタイムチャートTime chart showing fire monitoring process with interlocking alarm according to this embodiment 図2のCPUによる本実施形態の火災監視処理を示したフローチャートThe flowchart which showed the fire monitoring process of this embodiment by CPU of FIG. 図2のCPUによる他の実施形態の火災監視処理を示したフローチャートThe flowchart which showed the fire monitoring process of other embodiment by CPU of FIG. 従来の無線式住警器における送信側と受信側の動作を示したタイムチャートTime chart showing the operation of the transmitting side and the receiving side in a conventional wireless mortgage 受信側の警報開始の遅れが最大となる送信タイミングを示したタイムチャートTime chart showing the transmission timing that maximizes the delay in alarm reception on the receiving side

符号の説明Explanation of symbols

10,10−1〜10−5:住警器
12:カバー
14:本体
15:取付フック
16:検煙部
18:音響孔
20:警報停止スイッチ
22:LED
24:住宅
26:ガレージ
28:CPU
30:無線回路部
31:アンテナ
32:記録回路部
34:センサ部
36:報知部
38:操作部
40:電池電源
42:送信回路
44:受信回路
46:メモリ
48:イベント信号
50:送信元符号
52:グループ符号
54:イベント符号
56:スピーカ
58:予備異常検出部
60:予備異常監視部
62:異常監視部
10, 10-1 to 10-5: House alarm 12: Cover 14: Main body 15: Mounting hook 16: Smoke detector 18: Sound hole 20: Alarm stop switch 22: LED
24: Housing 26: Garage 28: CPU
30: Radio circuit unit 31: Antenna 32: Recording circuit unit 34: Sensor unit 36: Notification unit 38: Operation unit 40: Battery power source 42: Transmission circuit 44: Reception circuit 46: Memory 48: Event signal 50: Source code 52 : Group code 54: Event code 56: Speaker 58: Preliminary abnormality detection unit 60: Preliminary abnormality monitoring unit 62: Abnormality monitoring unit

Claims (5)

所定の受信周期毎に間欠的に受信動作を行って他の警報器からのイベント信号を受信する受信回路部と、
前記受信周期以上の送信時間に亘りイベント信号を他の警報器に送信する送信回路部と、
警報器と別体又は一体に設けられ、異常を検出するセンサ部と、
警報を出力する報知部と、
前記センサ部からの異常検出信号を受けて、連動元の異常警報を出力させると共に、異常を示すイベント信号を他の警報器に送信し、一方、他の警報器から異常を示すイベント信号を受信した時に連動先の異常警報を出力させる異常監視部と、
を設けた警報器に於いて、
前記センサ部により検出する異常の発生確率が高くなった時に予備異常を検出する予備異常検出部と、
前記予備異常を検出した時に、予備異常を示すイベント信号を他の警報器に送信し、一方、他の警報器から予備異常を示すイベント信号を受信した時に、前記受信回路部の受信周期を短い周期に変更するか、または前記受信回路部の間欠受信を常時受信に変更する予備異常監視部と、
を備えたことを特徴とする警報器。
A receiving circuit unit that receives an event signal from another alarm device by intermittently performing a receiving operation every predetermined reception cycle;
A transmission circuit unit that transmits an event signal to another alarm device over a transmission time equal to or longer than the reception cycle;
A sensor unit that is provided separately or integrally with the alarm device and detects an abnormality,
A notification unit for outputting an alarm;
Upon receiving an abnormality detection signal from the sensor unit, an abnormality alarm of the linkage source is output, and an event signal indicating abnormality is transmitted to another alarm device, while an event signal indicating abnormality is received from another alarm device. An abnormality monitoring unit that outputs an abnormality alarm at the interlocking destination when
In the alarm device provided with
A preliminary abnormality detection unit that detects a preliminary abnormality when the probability of occurrence of an abnormality detected by the sensor unit increases;
When the preliminary abnormality is detected, an event signal indicating the preliminary abnormality is transmitted to another alarm device. On the other hand, when the event signal indicating the preliminary abnormality is received from another alarm device, the reception cycle of the reception circuit unit is shortened. A preliminary abnormality monitoring unit that changes to periodic or changes intermittent reception of the receiving circuit unit to always reception;
An alarm device comprising:
請求項1記載の警報器に於いて、前記予備異常監視部を前記センサ部に設けたことを特徴とする警報器。
The alarm device according to claim 1, wherein the preliminary abnormality monitoring unit is provided in the sensor unit.
請求項1又は記載の警報器に於いて、前記予備異常監視部は、前記予備異常を検出した時に、前記報知部により予備異常警報を出力させることを特徴とする警報器。
The alarm device according to claim 1 or 2, wherein the preliminary abnormality monitoring unit causes the notification unit to output a preliminary abnormality alarm when the preliminary abnormality is detected.
請求項1記載の警報器に於いて、前記予備異常監視部は、前記予備異常を示すイベント信号を送信した後に、予備異常が検出されなくなった時、予備異常の復旧を示すイベント信号を他の警報器に送信し、一方、他の警報器から予備異常を示すイベント信号を受信して前記受信回路部の受信周期を短い周期に変更するか、または間欠受信を常時受信に変更した後に、予備異常の復旧を示すイベント信号を受信した時、前記受信周期を元の周期または前記常時受信を元の間欠受信に戻すことを特徴とする警報器。
2. The alarm device according to claim 1, wherein the preliminary abnormality monitoring unit transmits an event signal indicating recovery of the preliminary abnormality when the preliminary abnormality is not detected after transmitting the event signal indicating the preliminary abnormality to another alarm signal. On the other hand, after receiving an event signal indicating a preliminary abnormality from another alarm device and changing the reception cycle of the receiving circuit unit to a shorter cycle or changing the intermittent reception to a constant reception, An alarm device, wherein when receiving an event signal indicating recovery from an abnormality, the reception cycle is returned to the original cycle or the normal reception is returned to the original intermittent reception.
請求項1記載の警報器に於いて、前記予備異常監視部は、他の警報器から予備異常を示すイベント信号を受信して前記受信回路部の受信周期を短い周期変更するか、または間欠受信を常時受信に変更した後に所定時間を経過した時、前記受信周期を元の周期に戻すか、または前記常時受信を元の間欠受信に戻すことを特徴とする警報器。   2. The alarm device according to claim 1, wherein the preliminary abnormality monitoring unit receives an event signal indicating a preliminary abnormality from another alarm device and changes the reception cycle of the reception circuit unit to a short cycle or intermittent reception. When the predetermined time elapses after the change is made to continuous reception, the alarm is characterized in that the reception cycle is returned to the original cycle or the normal reception is returned to the original intermittent reception.
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AU2008332565A AU2008332565B2 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
KR1020107012008A KR101181139B1 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
US12/745,915 US8432277B2 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
EP08856427.3A EP2228777B1 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
EP13190914.5A EP2693414B1 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
PCT/JP2008/067855 WO2009072344A1 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
KR1020127014311A KR101187556B1 (en) 2007-12-06 2008-10-01 Alarm device and alarm system
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