JP4404349B2 - Earthquake disaster prevention radio apparatus and control method thereof in earthquake disaster prevention notification system - Google Patents

Earthquake disaster prevention radio apparatus and control method thereof in earthquake disaster prevention notification system Download PDF

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JP4404349B2
JP4404349B2 JP2004071894A JP2004071894A JP4404349B2 JP 4404349 B2 JP4404349 B2 JP 4404349B2 JP 2004071894 A JP2004071894 A JP 2004071894A JP 2004071894 A JP2004071894 A JP 2004071894A JP 4404349 B2 JP4404349 B2 JP 4404349B2
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earthquake
disaster prevention
seismic
prevention radio
earthquake disaster
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健生 川崎
幸雄 藤縄
郁雄 竹内
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特定非営利活動法人リアルタイム地震情報利用協議会
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Description

地震観測網が一定の水準にあって、データが即時的（リアルタイム）あるいは準リアル
タイムで収集されている環境で、地震の発生後かつ地震波が到達するまでにその情報をユ
ーザーに伝え、地震の早期警報あるいは自動防災措置を行うリアルタイム地震情報防災無線方式に関する。 In an environment where the seismic network is at a certain level and data is collected immediately (real-time) or near real-time, the information is communicated to the user after the earthquake occurs and before the seismic wave arrives. The present invention relates to a real-time earthquake information disaster prevention radio system that performs warning or automatic disaster prevention measures.

地震発生からのデータに基づく、リアルタイム地震情報防災無線については、防災無線システムが提案されている。   Disaster prevention radio systems have been proposed for real-time earthquake information disaster prevention radio based on data from the occurrence of earthquakes.

特開２００３−０６６１５２号公報Japanese Patent Laid-Open No. 2003-066652

しかし、このようなリアルタイム地震情報防災無線方式において、高速のリアルタイム地震情報防災無線方式が必要とされている。このような情報は、地方自治体を初めとした公共機関における防災関係者にとって、住民の危険を即座に把握し、震災被害を未然に又は最小限にとどめる為に活用することができる。そこで地方自治体の防災従事者や、公共／生活関連機関の職員が活用している防災無線方式に、リアルタイム地震情報（緊急地震速報とも称する）を伝達することで、関係者のスムーズな行動を促し、防災活動の充実化を図ることを目的とする。 However, in such a real-time earthquake information disaster prevention radio system, a high-speed real-time earthquake information disaster prevention radio system is required. Such information can be used for disaster prevention officials in local governments and other public institutions to immediately grasp the dangers of residents and to minimize or minimize earthquake damage. Therefore, by transmitting real-time earthquake information (also called emergency earthquake warning) to the disaster prevention radio system used by local government disaster prevention workers and public / life related personnel, it promotes the smooth action of those concerned. The purpose is to enhance disaster prevention activities.

そして、リアルタイム地震情報防災無線方式の課題は、以下の３項目である。
（１）リアルタイム地震情報防災無線方式特有の一定の起動時間および、割り込み処理に要する起動時間があり、実際に放送を開始するまでに、遅延時間がある。
（２）センサー１点だけの場合はノイズの可能性が少なくない点も考慮する必要がある。
（３）トリガーを掛けたが地震では無かった場合を想定して取り消しのプロトコルを決めておく必要がある。
本発明では、これら情報伝送時間の問題を解決するリアルタイム地震情報防災無線方式方法を提示する。 And the subject of a real-time earthquake information disaster prevention radio system is the following three items.
(1) Real-time earthquake information There is a fixed start time peculiar to the disaster prevention radio system and a start time required for interrupt processing, and there is a delay time before actually starting broadcasting.
(2) In the case of only one sensor, it is necessary to consider the possibility of noise.
(3) It is necessary to decide the cancellation protocol assuming that the trigger is applied but not the earthquake.
In the present invention, a real-time earthquake information disaster prevention radio system method for solving these information transmission time problems is presented.

そのために本発明は、地震計観測網を構成する地震計により地震の震源位置から地震波を検出し、検出された複数の初期微動を演算手段により演算することにより前記地震の震源位置、震度、地震波到達時間を求め、求められた前記地震の震源位置、震度、地震波到達時間を地震防災無線装置により音声として出力する地震防災報知システムにおける地震
防災無線装置であって、前記地震計により検出された地震波の初期微動の第１報を受信して装置の動作を立ち上げ、その後検出された複数の初期微動を演算して求めた前記地震の震源位置、震度、地震波到達時間を受信して防災無線の音声を出力することを特徴とする。
また、地震計観測網を構成する地震計により地震の震源位置から地震波を検出し、検出された複数の初期微動を演算手段により演算することにより前記地震の震源位置、震度、地震波到達時間を求め、求められた前記地震の震源位置、震度、地震波到達時間を地震防災無線装置により音声として出力する地震防災報知システムにおける地震防災無線装置の制御方法であって、前記地震計により検出された地震波の初期微動の第１報を受信して前記地震防災無線装置の動作を立ち上げ、その後検出された複数の初期微動を演算して求めた前記地震の震源位置、震度、地震波到達時間を受信して防災無線の音声を出力するように前記防災無線装置を制御することを特徴とする。 For this purpose, the present invention detects a seismic wave from an earthquake source position by a seismometer that constitutes a seismometer observation network, and calculates a plurality of detected initial tremors by a calculation means, thereby calculating the earthquake source position, seismic intensity, seismic wave. An earthquake disaster prevention radio device in an earthquake disaster prevention notification system that obtains an arrival time and outputs the obtained earthquake source position, seismic intensity, and seismic wave arrival time as sound by the earthquake disaster prevention radio device, wherein the seismic wave detected by the seismometer The first report of the initial tremor is received, the operation of the device is started, and then the earthquake source position, seismic intensity, and seismic wave arrival time obtained by calculating a plurality of detected initial tremors are received, and the disaster prevention radio It is characterized by outputting sound.
In addition, the seismometers that make up the seismometer observation network detect seismic waves from the location of the earthquake, and calculate the initial location of the earthquake, seismic intensity, and arrival time by calculating the detected initial tremors using the calculation means. A method of controlling an earthquake disaster prevention radio apparatus in an earthquake disaster prevention notification system for outputting the obtained earthquake source position, seismic intensity, and seismic wave arrival time as sound by an earthquake disaster prevention radio apparatus, wherein the seismic wave detected by the seismometer Receiving the first report of initial tremor to start up the operation of the earthquake disaster prevention radio equipment , and then receiving the earthquake source position, seismic intensity, and seismic wave arrival time obtained by calculating a plurality of initial tremors detected. The disaster prevention radio apparatus is controlled to output a disaster prevention radio voice.

本発明によれば、音声として出力する地震の震源位置、震度、地震波到達時間を求めるかめの複数の初期微動が検出されるまでに装置の動作を立ち上げるトリガーを取得し、装置を速やかに立ち上げることができ、地震の震源位置、震度、地震波到達時間の受信により直ちに音声を出力することができる。   According to the present invention, a trigger for starting up the operation of the device is acquired until a plurality of initial tremors for determining the earthquake source position, seismic intensity, and seismic wave arrival time to be output as sound are acquired, and the device is quickly started up. It is possible to output sound immediately upon receiving the location of the earthquake, the seismic intensity, and the arrival time of the seismic wave.

以下に実施例を示す。   Examples are shown below.

図１は本発明に係るリアルタイム地震情報防災無線方式の構成を示す図である。図１に示すように、全国に設置されている地震波観測網地震計１からの地震情報を、リアルタイム地震情報利用協議会２が受信する。リアルタイム地震情報利用協議会２は、受信した
地震情報をリアルタイム地震情報に変換して、リアルタイム地震情報防災無線方式に送信する。リアルタイム地震情報防災無線方式は、リアルタイム地震情報解析サーバ１１、地震情報送受信および演算装置１２、データ受信管理装置１３および、データ送信管理装置１５によって構成する。
そして、データ送信管理装置１５によって、防災無線として、屋外拡声子局１７および、個別受信機１８から、地震情報防災の音声を出力する。
その結果、防災無線方式は、自営網であるが故、回線が輻輳しにくく、防災従事者の必要な情報を、より確実に伝送することができるものである。 FIG. 1 is a diagram showing a configuration of a real-time earthquake information disaster prevention radio system according to the present invention. As shown in FIG. 1, the real-time earthquake information utilization council 2 receives earthquake information from seismometers 1 installed in the whole country. The real-time earthquake information utilization council 2 converts the received earthquake information into real-time earthquake information and transmits it to the real-time earthquake information disaster prevention radio system. The real-time earthquake information disaster prevention radio system includes a real-time earthquake information analysis server 11, an earthquake information transmission / reception and calculation device 12, a data reception management device 13, and a data transmission management device 15.
Then, the data transmission management device 15 outputs the earthquake information disaster prevention sound from the outdoor loudspeaker station 17 and the individual receiver 18 as the disaster prevention radio.
As a result, since the disaster prevention radio system is a private network, the line is less likely to be congested, and information necessary for disaster prevention workers can be transmitted more reliably.

図２は、一番最初の観測データで防災無線を起動する方法を示す図である。図２に示すように、地震の震源位置から震源波の初期微動（Ｐ波）の第１報が、地震波観測網地震計１の地震計Ｓ１で検出される。また、Ｐ波の第２報は地震計Ｓ２、Ｐ波の第３報は地震計Ｓ３によって検出される。このＰ波の第１報から第３報の時間間隔Δｔは、震源の位置、深度および、地盤などによって異なる。実際に、地震計Ｓ１〜Ｓ３から発信されてリアルタイム地震情報利用協議会２が、地震情報を受信するまでの時間は、約１ｓｅｃ〜３ｓｅｃを要する。
そして、図３は、高速立ち上り処理のタイミングチャートを示す図である。図３に示すように、図１に示した地震情報送受信および演算装置１２は、Ｐ波検出信号Ｓ１，Ｓ２および、Ｓ３を制御系に送信する。すなわち、Ｐ波検出信号Ｓ１は、Ｐ波の第１報で呼び出し信号によって、データ受信管理装置１３を立ち上げる。さらに、Ｐ波の第２報、Ｐ波の第３報によって、防災無線の音声を出力する。 FIG. 2 is a diagram showing a method of starting the disaster prevention radio with the first observation data. As shown in FIG. 2, the first report of the initial tremor (P wave) of the source wave is detected by the seismometer S 1 of the seismometer 1. The second P wave report is detected by the seismometer S2, and the third P wave report is detected by the seismometer S3. The time interval Δt between the first report to the third report of the P wave varies depending on the position, depth, ground, and the like of the epicenter. Actually, it takes about 1 to 3 seconds for the real-time earthquake information utilization council 2 to be transmitted from the seismometers S1 to S3 and receive the earthquake information.
FIG. 3 is a diagram illustrating a timing chart of the high-speed rising process. As shown in FIG. 3, the earthquake information transmission / reception and arithmetic unit 12 shown in FIG. 1 transmits P wave detection signals S1, S2 and S3 to the control system. That is, the P wave detection signal S1 starts up the data reception management device 13 in response to the calling signal in the first P wave report. Furthermore, the disaster prevention radio sound is output by the second report of the P wave and the third report of the P wave.

また、図１に示した地震波観測網地震計１からの地震情報と、リアルタイム地震情報利用協議会２からの震源地、震度および、地震波到達時間は、地震波観測網地震計１の地震計Ｓ１から地震計Ｓ３ごとに計算する。すなわち、震源地、震度および、地震波到達時間は、地震計Ｓ１から地震計Ｓ３の時間経過ごとに、予測精度は向上する。従って、図３に示した地震計Ｓ１から地震計Ｓ３の時間で、音声出力の内容を変更することが可能である。
以上、説明したように、地震情報を組み合わせると、装置起動のトリガーを早く出せるので、無線装置の立ち上がり時間を高速化できる。 In addition, the earthquake information from the seismograph 1 of the seismic observation network 1 shown in FIG. Calculate for each seismometer S3. That is, the prediction accuracy of the epicenter, the seismic intensity, and the seismic wave arrival time is improved as time passes from the seismometer S1 to the seismometer S3. Therefore, it is possible to change the contents of the audio output in the time from the seismometer S1 to the seismometer S3 shown in FIG.
As described above, when the earthquake information is combined, the trigger for starting the device can be issued quickly, so that the rise time of the wireless device can be increased.

図４は、取り消しのプロトコルを示す図である。図４に示すように、図１に示した地震情報送受信および演算装置１２から制御系に起動入力した場合に、図２に示した地震計Ｓ１から地震計Ｓ３の出力によって、予測震度が３以下の場合は、その時点で、制御系に取り消し信号を送信して、音声出力を停止する。
以上、説明したように、トリガーを掛けたが地震では無かった場合を想定して取り消しのプロトコルを決めておく必要がある。そして、地震計Ｓ１だけの場合はノイズの可能性が少なくない点も考慮することが可能になる。 FIG. 4 is a diagram showing a cancellation protocol. As shown in FIG. 4, when the seismic information transmission / reception and calculation device 12 shown in FIG. 1 is activated and input to the control system, the predicted seismic intensity is 3 or less by the outputs of the seismometers S1 to S3 shown in FIG. In this case, at that time, a cancel signal is transmitted to the control system, and the sound output is stopped.
As described above, it is necessary to determine a cancellation protocol in consideration of the case where a trigger is applied but there is no earthquake. In the case of the seismometer S1 alone, it is possible to consider the possibility of noise.

本発明に係るリアルタイム地震情報防災無線方式の構成を示す図である。It is a figure which shows the structure of the real-time earthquake information disaster prevention radio system which concerns on this invention. 一番最初の観測データで防災無線を起動する方法を示す図である。It is a figure which shows the method of starting a disaster prevention radio | wireless by the first observation data. 高速立ち上り処理のタイミングチャートを示す図である。It is a figure which shows the timing chart of a high-speed rising process. 取り消しのプロトコルを示す図である。It is a figure which shows the protocol of cancellation.

符号の説明Explanation of symbols

１ 地震波観測網地震計
２ リアルタイム地震情報利用協議会
１１ リアルタイム地震情報解析サーバ
１２ 地震情報送受信および演算装置
１３ データ受信管理装置
１５ データ送信管理装置
１７ 屋外拡声子局
１８ 個別受信機

DESCRIPTION OF SYMBOLS 1 Seismic observation network seismometer 2 Real-time seismic information utilization meeting 11 Real-time seismic information analysis server 12 Earthquake information transmission / reception and calculation device 13 Data reception management device 15 Data transmission management device 17 Outdoor loudspeaker station 18 Individual receiver

Claims (2)

地震計観測網を構成する地震計により地震の震源位置から地震波を検出し、検出された複数の初期微動を演算手段により演算することにより前記地震の震源位置、震度、地震波到達時間を求め、求められた前記地震の震源位置、震度、地震波到達時間を地震防災無線装置により音声として出力する地震防災報知システムにおける地震防災無線装置であって、前記地震計により検出された地震波の初期微動の第１報を受信して装置の動作を立ち上げ、その後検出された複数の初期微動を演算して求めた前記地震の震源位置、震度、地震波到達時間を受信して防災無線の音声を出力することを特徴とする地震防災無線装置。 The seismometers that make up the seismometer observation network detect seismic waves from the position of the earthquake's epicenter, and calculate the initial position of the earthquake, seismic intensity, and arrival time of the seismic wave by calculating a plurality of detected initial tremors using the calculation means. An earthquake disaster prevention radio apparatus in an earthquake disaster prevention notification system for outputting the obtained earthquake source position, seismic intensity, and seismic wave arrival time as sound by an earthquake disaster prevention radio apparatus, wherein the first tremor of the seismic wave detected by the seismometer Receiving one report, starting up the operation of the device, then receiving the earthquake source position, seismic intensity, and arrival time of the earthquake obtained by calculating a plurality of initial tremors detected , and outputting disaster prevention radio voice An earthquake disaster prevention radio device characterized by 地震計観測網を構成する地震計により地震の震源位置から地震波を検出し、検出された複数の初期微動を演算手段により演算することにより前記地震の震源位置、震度、地震波到達時間を求め、求められた前記地震の震源位置、震度、地震波到達時間を地震防災無線装置により音声として出力する地震防災報知システムにおける地震防災無線装置の制御方法であって、
前記地震計により検出された地震波の初期微動の第１報を受信して前記地震防災無線装置の動作を立ち上げ、その後検出された複数の初期微動を演算して求めた前記地震の震源位置、震度、地震波到達時間を受信して防災無線の音声を出力するように前記防災無線装置を制御することを特徴とする地震防災無線装置の制御方法。 The seismometers that make up the seismometer observation network detect seismic waves from the position of the earthquake's epicenter, and calculate the initial position of the earthquake, seismic intensity, and arrival time of the seismic wave by calculating a plurality of detected initial tremors using the calculation means. A method for controlling an earthquake disaster prevention radio apparatus in an earthquake disaster prevention notification system that outputs the obtained earthquake source position, seismic intensity, and seismic wave arrival time as sound by an earthquake disaster prevention radio apparatus,
Receiving the first report of the initial tremor of the seismic wave detected by the seismometer, starting up the operation of the earthquake disaster prevention radio device , and then calculating the location of the earthquake determined by calculating a plurality of initial tremors detected ; A control method for an earthquake disaster prevention radio apparatus, comprising: controlling the disaster prevention radio apparatus so as to receive a seismic intensity and a seismic wave arrival time and to output a disaster prevention radio sound.
JP2004071894A 2004-03-15 2004-03-15 Earthquake disaster prevention radio apparatus and control method thereof in earthquake disaster prevention notification system Expired - Fee Related JP4404349B2 (en)

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