JP6804134B2 - Tunnel disaster prevention system - Google Patents

Tunnel disaster prevention system Download PDF

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JP6804134B2
JP6804134B2 JP2016184988A JP2016184988A JP6804134B2 JP 6804134 B2 JP6804134 B2 JP 6804134B2 JP 2016184988 A JP2016184988 A JP 2016184988A JP 2016184988 A JP2016184988 A JP 2016184988A JP 6804134 B2 JP6804134 B2 JP 6804134B2
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滋良 中尾
滋良 中尾
泰周 杉山
泰周 杉山
鈴木 健太
健太 鈴木
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Hochiki Corp
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本発明は、トンネル内に設置した通報装置や検知器等の端末機器を防災受信盤に接続してトンネル内の異常を監視するトンネル防災システムに関する。 The present invention relates to a tunnel disaster prevention system that monitors abnormalities in a tunnel by connecting terminal devices such as a notification device and a detector installed in the tunnel to a disaster prevention receiver.

従来、自動車専用道路等のトンネルには、トンネル内で発生する火災事故から人身及び車両を守るため、非常用施設が設置されている。 Conventionally, emergency facilities have been installed in tunnels such as motorways in order to protect people and vehicles from fire accidents that occur in the tunnels.

このような非常用施設としては、火災の監視と通報のため火災検知器、手動通報装置、非常電話が設けられ、また火災の消火や延焼防止のために消火栓装置が設けられ、更にトンネル躯体やダクト内を火災から防護するために水噴霧ヘッドから消火用水を散水させる水噴霧などが設置され、これらの非常用施設の端末機器を監視制御する防災受信盤を設けることで、トンネル防災システムを構築している。 Such emergency facilities include fire detectors, manual notification devices, emergency telephones for fire monitoring and reporting, fire hydrant devices for extinguishing fires and preventing the spread of fire, and tunnel skeletons. In order to protect the inside of the duct from fire, water spray that sprinkles fire extinguishing water from the water spray head is installed, and a tunnel disaster prevention system is constructed by installing a disaster prevention receiver that monitors and controls the terminal equipment of these emergency facilities. doing.

防災受信盤と端末機器で構成するトンネル防災システムは、R型伝送方式とP型直送方式に大別される。R型伝送方式は、伝送回線にアドレスを設定した火災検知器等の端末機器を接続し、伝送制御により端末機器単位に検知と制御を行う個別管理を可能とする。P型直送方式は、端末機器の種別に応じて所定の区画単位に分け、区画単位に引き出した信号回線に同一区画に属する複数の端末機器を接続し、信号回線単位に検知と制御を行う。 The tunnel disaster prevention system consisting of the disaster prevention receiver and the terminal equipment is roughly classified into the R type transmission system and the P type direct delivery system. The R-type transmission method connects a terminal device such as a fire detector whose address is set to a transmission line, and enables individual management in which detection and control are performed for each terminal device by transmission control. In the P-type direct delivery method, a plurality of terminal devices belonging to the same section are connected to a signal line drawn out in a predetermined section unit according to the type of the terminal device, and detection and control are performed for each signal line.

ところで、P型直送方式のトンネル防災システムにあっては、手動通報装置、消火栓起動装置、ダクト温度検知器等の端末機器は、操作又は検知による信号出力部を無電圧a接点スイッチとして構成し、防災受信盤から引き出された信号回線に無電圧a接点スイッチ接続している。無電圧a接点スイッチは通常監視状態でオフしており、操作や検知動作によりオンして無電圧接点信号を出力する。 By the way, in the P-type direct delivery type tunnel disaster prevention system, terminal devices such as a manual notification device, a fire extinguisher activation device, and a duct temperature detector have a signal output unit for operation or detection configured as a non-voltage a contact switch. A non-voltage a contact switch is connected to the signal line drawn from the disaster prevention receiver. The non-voltage a-contact switch is normally turned off in the monitoring state, and is turned on by an operation or detection operation to output a non-voltage contact signal.

具体的には、防災受信盤側から信号回線の一方にプルアップ抵抗を介して電源電圧を印加しており、無電圧a接点スイッチがオフした定常監視状態では、信号回線に消費電流は殆ど流れず、防災受信盤から見た信号回線間の電源電圧は略電源電圧に保たれている。無電圧a接点スイッチがオンすると信号回線に電流が流れ、防災受信盤から見た信号回線間の電圧は略零ボルトに低下し、防災受信盤は信号回線の消費電流の増加又は信号回線間の電圧低下を検出して端末機器の操作又は検知を示す受信信号を制御部に出力する。 Specifically, the power supply voltage is applied to one of the signal lines from the disaster prevention receiver side via a pull-up resistor, and in the steady monitoring state when the non-voltage a contact switch is turned off, most of the current consumption flows through the signal line. However, the power supply voltage between the signal lines seen from the disaster prevention receiver is kept at approximately the power supply voltage. When the non-voltage a contact switch is turned on, a current flows through the signal line, the voltage between the signal lines seen from the disaster prevention receiver drops to almost zero volts, and the disaster prevention receiver increases the current consumption of the signal line or between the signal lines. Detects a voltage drop and outputs a received signal indicating the operation or detection of the terminal device to the control unit.

例えば手動通報装置からの火災通報信号であれば、防災受信盤は、火災表示、端末側の応答ランプの点灯制御、手動通報区画表示、消火ポンプ起動信号の出力といった制御動作を行うと共に、遠方監視制御設備、テレビ監視設備、可変式道路情報板設備、トンネル換気設備、照明設備等の外部設備に火災通報信号を送信して所定の対処制御を行わせるようにしている。 For example, in the case of a fire report signal from a manual report device, the disaster prevention receiver performs control operations such as fire display, lighting control of the response lamp on the terminal side, manual report section display, and output of a fire extinguishing pump start signal, and also performs remote monitoring. A fire alarm signal is transmitted to external equipment such as control equipment, TV monitoring equipment, variable road information board equipment, tunnel ventilation equipment, and lighting equipment so that predetermined countermeasure control can be performed.

特開2002−246962号公報JP-A-2002-246962 特開平11−128381号公報Japanese Unexamined Patent Publication No. 11-128381

このような従来のP型直送方式のトンネル防災システムにあっては、端末機器を接続している信号回線(外線ケーブル)の経年劣化等により絶縁低下が進み、端末機器を接続している信号回線に通常監視状態で想定される以上の電流が流れ、防災受信盤は端末機器の操作又は検知動作による信号受信と判断して警報動作を行うと共に、遠方監視制御設備、テレビ監視設備、可変式道路情報板設備、トンネル換気設備、照明設備等の他設備を連動し、トンネルを通行止めにすることが度々生じている。 In such a conventional P-type direct transmission type tunnel disaster prevention system, the insulation deteriorates due to aged deterioration of the signal line (external line cable) connecting the terminal device, and the signal line connecting the terminal device. More current than expected in the normal monitoring state flows, and the disaster prevention receiver determines that it is receiving a signal by operating or detecting the terminal equipment and performs an alarm operation, as well as remote monitoring and control equipment, TV monitoring equipment, and variable road. Information board equipment, tunnel ventilation equipment, lighting equipment, and other other equipment are often linked to close tunnels.

この問題を解決するため、防災受信盤とは別の筐体に電流監視装置を設け、無電圧a接点スイッチを設けた端末機器を接続した信号回線に流れる電流を、例えば1日1回というように定周期で測定して記録し、更に、測定した電流が所定の閾値範囲を外れた場合に信号回線の電流値異常を判定して警報するようにしている。 In order to solve this problem, a current monitoring device is provided in a housing separate from the disaster prevention receiver, and the current flowing through the signal line connected to the terminal device provided with the non-voltage a contact switch is, for example, once a day. It is measured and recorded at regular intervals, and when the measured current deviates from a predetermined threshold range, an abnormality in the current value of the signal line is determined and an alarm is given.

ところで、従来の電流監視機能にあっては、定周期測定で得られた信号回線毎の電流値が所定の上限値と下限値で決まる閾値範囲を外れた場合に電流値異常と判断して警報するようにしているが、電流値異常が判定される前から信号回線の絶縁劣化等による電流値の変動が現れていることが想定され、このような電流値異常の予兆を早い段階で知ることができれば、近い将来、電流値異常となることが予想でき、早い段階から適切な対応を準備することが可能となる。 By the way, in the conventional current monitoring function, when the current value for each signal line obtained by the constant cycle measurement deviates from the threshold range determined by the predetermined upper limit value and lower limit value, it is determined that the current value is abnormal and an alarm is given. However, it is assumed that fluctuations in the current value due to insulation deterioration of the signal line appear before the current value abnormality is determined, and it is necessary to know the signs of such current value abnormality at an early stage. If this is possible, it is expected that the current value will become abnormal in the near future, and it will be possible to prepare appropriate measures from an early stage.

また、従来は防災受信盤に対し電流監視装置を別の筐体に設けているため、防災受信盤から火災情報や障害情報等を電流測定装置に送って測定履歴と共に記憶させる伝送機能と処理機能が必要となり、設備構成と処理が複雑になる問題もある。 In addition, since the current monitoring device is conventionally provided in a separate housing from the disaster prevention receiver, the transmission function and processing function that send fire information, failure information, etc. from the disaster prevention receiver to the current measurement device and store it together with the measurement history. There is also a problem that the equipment configuration and processing become complicated.

本発明は、防災受信盤に電流監視装置の機能を一体化して設備構成及び処理を簡略化すると共に、信号回線の電流値異常が判定される前にその予兆を捉えて警報可能とするトンネル防災システムを提供することを目的とする。 INDUSTRIAL APPLICABILITY The present invention integrates the functions of a current monitoring device with a disaster prevention receiver to simplify the equipment configuration and processing, and also catches a sign of an abnormality in the current value of a signal line and enables an alarm. The purpose is to provide a system.

(トンネル防災システム)
本発明は、ンネル内に配置した端末機器から信号回線を介して送信され防災受信盤で受信される火災に関する所定の信号に基づき火災警報を出力するトンネル防災システムに於いて、
防災受信盤は、
信号回線に流れる電流値を測定し、
測定した電流値の異常である電流値異常を所定の電流値異常判定条件に基づいて判定し、電流値異常と判定した場合に電流値異常の警報を出力させ、
電流値異常の発生が予測される状態である電流値異常の予兆を所定の電流値異常の予兆判定条件に基づいて判定し、電流値異常の予兆と判定した場合に電流値異常の予兆警報を出力させる制御部を備えたことを特徴とする。
(Tunnel disaster prevention system)
The present invention, in the tunnel disaster prevention system for outputting a fire alarm on the basis of a predetermined signal regarding the fire to be received by the transmitted via a signal line from a terminal device disposed within the tunnel disaster prevention receiving machine,
The disaster prevention receiver is
Measure the current value flowing through the signal line and
The current value abnormality, which is an abnormality of the measured current value, is judged based on the predetermined current value abnormality judgment condition, and when it is judged as the current value abnormality, an alarm of the current value abnormality is output.
A sign of a current value abnormality, which is a state in which the occurrence of a current value abnormality is predicted, is determined based on a predetermined current value abnormality sign determination condition, and when it is determined to be a sign of a current value abnormality, a current value abnormality sign alarm is issued. It is characterized by having a control unit for outputting.

(予兆閾値範囲の設定による電流値異常の予兆判定)
電流値が所定の第1閾範囲外となった場合に電流値異常と判定し、
電流値が所定の第1閾範囲内であって当該所定の第1閾範囲より狭い第2閾範囲外となった場合に電流値異常の予兆判定する
(Predictive judgment of current value abnormality by setting the predictive threshold range)
When the current value falls outside the predetermined first threshold range, it is determined that the current value is abnormal, and the current value is judged to be abnormal.
A current value is within the predetermined first threshold range, it determines that sign of the current value abnormality when it becomes the second threshold range have narrower than the first threshold range of the predetermined.

(平均電流との相関による電流値異常の予兆判定)
制御部は、所定の期間に於いて測定した電流値から過去の平均電流値を求め、今回測定した電流値と平均電流値との相関に基づいて電流値異常の予兆判定する
(Judgment of sign of current value abnormality by correlation with average current)
Control unit obtains a past average current value from the current value measured at a predetermined time period, determining that sign of the current value abnormality based on the correlation between the average current value and the current measured current value.

(前回測定の電流値との相関による電流値異常の予兆判定)
制御部、前回測定した電流値と、今回測定した電流値との相関に基づいて電流値異常の予兆判定する
(Judgment of sign of current value abnormality by correlation with the current value of the previous measurement)
Control unit includes a current value measured last time, determines that sign of the current value abnormality based on the correlation between the present measured current value.

表示部による画面警報表示)
に、防災受信盤は表示部を備え
制御部は、信号回線について電流値異常又は電流値異常の予兆判定した場合に、当該電流値異常又は電流値異常と判定された信号回線の電流値異常又は電流値異常の予兆を示す情報、及び又は当該判定の対象とした電流値表示部に表示させる。
(Screen alarm display by the display unit )
Further, the disaster prevention receiving plate is provided with a display unit,
Control unit, when it is determined that the sign of the current value abnormality or abnormal intensity of the electric current for the signal line, the current abnormalities or current abnormal determination signal line current abnormalities or information indicating the sign of the current value anomaly, And or, the current value targeted for the determination is displayed on the display unit .

(基本的な効果)
本発明は、ンネル内に配置した端末機器から信号回線を介して送信され防災受信盤で受信される火災に関する所定の信号に基づき火災警報を出力するトンネル防災システムに於いて、防災受信盤は、信号回線に流れる電流値を測定し、測定した電流値の異常である電流値異常を所定の電流値異常判定条件に基づいて判定し、電流値異常と判定した場合に電流値異常の警報を出力させ、電流値異常の発生が予測される状態である電流値異常の予兆を所定の電流値異常の予兆判定条件に基づいて判定し、電流値異常の予兆と判定した場合に電流値異常の予兆警報を出力させる制御部を備えたため、信号回線の絶縁劣化等に起因した電流値異常が判定されて警報される前の段階で、電流値異常の予兆を知り、近い将来、電流値異常が判定される可能性が高いといった問題を把握して適切な対処が可能となる。
(Basic effect)
The present invention, in the tunnel disaster prevention system for outputting a fire alarm on the basis of a predetermined signal regarding the fire to be received by the transmitted via a signal line from a terminal device disposed within the tunnel disaster prevention receiving Edition, disaster prevention receiving board is , Measures the current value flowing through the signal line, determines the current value abnormality, which is an abnormality of the measured current value, based on the predetermined current value abnormality judgment conditions, and issues a current value abnormality alarm when the current value abnormality is determined. It is output, and the sign of current value abnormality, which is a state in which the occurrence of current value abnormality is predicted, is determined based on the predetermined current value abnormality sign judgment condition, and when it is determined as a sign of current value abnormality, the current value abnormality Since it is equipped with a control unit that outputs a sign alarm, it is possible to know the sign of a current value abnormality before the current value abnormality due to insulation deterioration of the signal line is determined and alarmed, and in the near future, the current value abnormality will be known. It is possible to grasp the problem that is likely to be determined and take appropriate measures.

また、防災受信盤と一体に電流監視部が設けられたため、電流監視装置を別筐体に設けていた場合に比べ、設備構成及び処理が簡単となり、設置スペースも低減できる。 Further, since the current monitoring unit is provided integrally with the disaster prevention receiver, the equipment configuration and processing can be simplified and the installation space can be reduced as compared with the case where the current monitoring device is provided in a separate housing.

(予兆閾値範囲の設定による電流値異常の予兆判定の効果)
また、電流値が所定の第1閾範囲外となった場合に電流値異常と判定し、電流値が所定の第1閾範囲内であって当該所定の第1閾範囲より狭い第2閾範囲外となった場合に電流値異常の予兆判定するようにしたため、例えば定周期測定された信号回線の電流値が電流値異常を判定する第1閾範囲内で変動し、その範囲内に設定した電流値異常の予兆を判定する第2閾範囲の上限値以上又は下限値以下となる電流値異常の予兆を判定し、電流値異常が判定される前にその予兆を確実に判定して警報可能とする。
(Effect of predictive judgment of current value abnormality by setting predictive threshold range)
Further, to determine the current value is a current value abnormality when a first threshold range of a predetermined, even within the first threshold range current value is predetermined, first have narrower than the first threshold range of the predetermined 2 due to so as to determine the sign of the current value abnormality when a threshold range, for example periodic current value of the measured signal lines vary within the first threshold range determines current anomaly, within its scope the sign of the current abnormalities to be less than the upper limit value or more or the lower limit value of the second threshold range determines a sign of the current abnormalities set determined in, the sign reliably determined before the current abnormality is determined To enable alarm.

(平均電流との相関による電流値異常の予兆判定の効果)
また、制御部は、所定の期間に於いて測定した電流値から過去の平均電流値を求め、今回測定した電流値と平均電流値との相関に基づいて電流値異常の予兆判定するようにしたため、例えば測定履歴につき過去1ケ月の移動平均電流を求め、今回測定した電流値が過去の平均電流値に対し大きく変化した場合に電流値異常の予兆を判定して警報することで、測定電流値の大きな変化を確実に捉えて電流値異常の予兆を警報できる。
(Effect of predictive judgment of current value abnormality by correlation with average current)
In addition, the control unit obtains the past average current value from the current value measured in a predetermined period, and determines that it is a sign of a current value abnormality based on the correlation between the current value measured this time and the average current value. Therefore, for example, the moving average current for the past one month is obtained from the measurement history, and when the current value measured this time changes significantly with respect to the past average current value, the sign of an abnormality in the current value is determined and an alarm is given to measure the current. It is possible to reliably catch a large change in the value and warn of a sign of an abnormal current value.

また、電流値異常の予兆を判定する基準を過去の測定電流値の平均電流としていることで、過去の一部の測定電流値にノイズ等による測定値があっても、これに影響されることなく、確実に電流値異常の予兆を判定して警報可能とする。 In addition, since the standard for determining the sign of abnormal current value is the average current of past measured current values, even if some of the measured current values in the past have measured values due to noise, etc., they will be affected by this. It is possible to reliably determine the sign of an abnormal current value and make an alarm.

(前回測定の電流値との相関による電流値異常の予兆判定の効果)
また、制御部、前回測定した電流値と、今回測定した電流値との相関に基づいて電流値異常の予兆判定するようにしたため、例えば1日1回といった定周期測定のサイクルで起きる電流値の大きな変化を確実に捉えて電流値異常の予兆を判定して警報可能とする。
(Effect of predictive determination of current value abnormality by correlation with the current value of the previous measurement)
The control unit includes a current value measured last time, occur in the cycle for you to determine the sign of the current value abnormality, for example, periodic measurements, such as once a day based on the correlation between the present measured current value It is possible to reliably detect a large change in the current value, determine a sign of an abnormal current value, and make an alarm.

表示部による画面警報表示の効果)
また、更に、防災受信盤は表示部を備え、制御部は、信号回線について電流値異常又は電流値異常の予兆判定した場合に、当該電流値異常又は電流値異常と判定された信号回線の電流値異常又は電流値異常の予兆を示す情報、及び又は当該判定の対象とした電流値表示部に表示させるようにしたため、制御部により電流値異常又は電流値異常の予兆が判定されると、電流値異常又は電流値異常の予兆の情報が表示部に画面表示されることで電流値異常又は電流値異常の予兆を知り、表示部に画面表示された電流値を見ることで電流値異常又は電流値異常の予兆と判定された信号回線の詳細情報を知り、また両方を表示された表示部を見ることで電流値異常又は電流値異常の予兆を知り必要に応じて更に詳細情報を知ることができ、表示部の表示から必要な対処が可能となる。
(Effect of the screen alarm display by the display unit)
Also, further, the disaster prevention receiving plate is provided with a display unit, control unit, when it is determined that the sign of the current value abnormality or abnormal intensity of the electric current for the signal line, the signal line is determined with the current value abnormality or abnormal intensity of the electric current Since the information indicating the current value abnormality or the sign of the current value abnormality and the current value targeted for the determination are displayed on the display unit , the control unit determines the current value abnormality or the sign of the current value abnormality. When the current value by the information of the sign of the current value abnormality or abnormal intensity of the electric current to know the sign of the current abnormalities or current abnormalities by being displayed on the screen of the display unit, see the screen displayed current value on the display unit more detailed information as necessary to know abnormality or current value Ri knowledge details of indication of abnormality and judgment signal line, also sign the current abnormalities or current abnormalities by looking at the display unit which is displayed both Can be known, and necessary measures can be taken from the display on the display unit .

トンネル防災システムの概要を示した説明図Explanatory diagram showing the outline of the tunnel disaster prevention system 防災受信盤の外観を示した説明図Explanatory drawing showing the appearance of the disaster prevention receiver 防災受信盤のパネル扉を開いてサブモニタ装置る状態を示した説明図Explanatory view showing an example situations that observed in sub-monitor device open the panel door of disaster prevention receiving board トンネル防災システムの機能構成の概略を示したブロック図Block diagram showing the outline of the functional configuration of the tunnel disaster prevention system 予兆閾値範囲の設定による電流値異常の予兆判定を示したグラフ図Graph diagram showing the sign judgment of current value abnormality by setting the sign threshold range 平均電流との差による電流値異常の予兆判定を示したグラフ図Graph diagram showing the predictive judgment of current value abnormality due to the difference from the average current 前回測定の電流値との差による電流値異常の予兆判定を示したグラフ図Graph diagram showing the predictive judgment of current value abnormality due to the difference from the current value of the previous measurement 定周期測定による測定履歴を表示したサブモニタ装置の測定記録画面を示した説 明図An explanatory diagram showing the measurement recording screen of the sub-monitor device that displays the measurement history by regular cycle measurement. 前面の扉パネルにグラフィックパネル、表示パネル及び操作パネルを設けた防災 受信盤の他の実施形態を示した説明図Explanatory drawing showing another embodiment of the disaster prevention receiving panel provided with the graphic panel, the display panel and the operation panel on the front door panel. 図9の表示パネルを取り出して示した説明図Explanatory drawing showing by taking out the display panel of FIG.

[トンネル防災システムの概要]
図1はトンネル防災システムの概要を示した説明図である。図1に示すように、自動車専用道路のトンネルとして、上り線トンネル1aと下り線トンネル1bが構築され、上り線トンネル1aと下り線トンネル1bは避難連絡坑2でつながっている。
[Overview of tunnel disaster prevention system]
FIG. 1 is an explanatory diagram showing an outline of a tunnel disaster prevention system. As shown in FIG. 1, an up line tunnel 1a and a down line tunnel 1b are constructed as a tunnel for a motorway, and the up line tunnel 1a and the down line tunnel 1b are connected by an evacuation connecting pit 2.

上り線トンネル1aと下り線トンネル1bの内部には、トンネル長手方向の監視員通路の壁面に沿って例えば50メートル間隔で消火栓装置18が設置されている。 Inside the up line tunnel 1a and the down line tunnel 1b, fire hydrant devices 18 are installed along the wall surface of the observer passage in the longitudinal direction of the tunnel, for example, at intervals of 50 meters.

消火栓装置18は消火栓扉内にノズル付きホースを収納しており、火災時には消火栓扉を開いてノズル付きホースを引き出し、消火栓弁開閉レバーを開操作すると消火用水が放水され、また、消火栓弁開閉検出スイッチ14がオンして消火ポンプを起動させる。 The fire hydrant device 18 houses a hose with a nozzle inside the fire hydrant door. In the event of a fire, the fire hydrant door is opened to pull out the hose with a nozzle, and when the fire hydrant valve open / close lever is opened, fire hydrant water is discharged and the fire hydrant valve open / close detection is detected. The switch 14 is turned on to start the fire extinguishing pump.

また、消火栓装置18には通報装置扉を設けており、通報装置扉には手動通報装置(発信機)16が設けられている。このように消火栓装置18には、消火栓弁開閉検出スイッチ14、及び手動通報装置16が端末機器として設けられており、それぞれ接点手段として機能する無電圧a接点スイッチのオンにより、消火栓起動信号及び火災通報信号が出力される。 Further, the fire hydrant device 18 is provided with a notification device door, and the notification device door is provided with a manual notification device (transmitter) 16. As described above, the fire hydrant device 18 is provided with the fire hydrant valve open / close detection switch 14 and the manual notification device 16 as terminal devices, and when the non-voltage a contact switch functioning as the contact means is turned on, the fire hydrant start signal and the fire are generated. A notification signal is output.

なお、消火栓装置18には消防隊が使用するポンプ起動スイッチが設けられているが、消火栓弁開閉検出スイッチ14と同じポンプ起動信号を出力するシステム的には同一のスイッチであることから、以下、消火栓弁開閉検出スイッチ(ポンプ起動スイッチを含む)14として説明する。また、手動通報装置16は、消火栓装置18以外に、非常電話ボックス内にも設置しているが、以下の説明では、消火栓装置18に設けた手動通報装置を代表として説明する。 The fire hydrant device 18 is provided with a pump start switch used by the fire hydrant, but since it is the same switch in terms of the system that outputs the same pump start signal as the fire hydrant valve open / close detection switch 14, the following A fire hydrant valve open / close detection switch (including a pump start switch) 14 will be described. Further, the manual notification device 16 is installed in the emergency telephone box in addition to the fire hydrant device 18, but in the following description, the manual notification device provided in the fire hydrant device 18 will be described as a representative.

トンネル非常設備として、消火栓装置18以外に、火災検知器、自動弁装置、ダクト内温度検知器等が設けられているが、図示を省略している。 In addition to the fire hydrant device 18, a fire detector, an automatic valve device, a temperature detector in a duct, and the like are provided as tunnel emergency equipment, but the illustration is omitted.

火災検知器はトンネル長手方向の壁面に沿って例えば25メートル又は50メートル間隔で設置され、左右25メートル又は50メートルとなる両側に監視エリアを設定し、火災による炎を検出して火災発報する。 Fire detectors are installed along the wall surface in the longitudinal direction of the tunnel, for example, at intervals of 25 meters or 50 meters, and monitoring areas are set on both sides, which are 25 meters or 50 meters on the left and right, to detect the flame caused by the fire and notify the fire. ..

自動弁装置は水噴霧設備を構成しており、作動用電動弁の遠隔開制御により主弁を開駆動し、トンネル壁面の上部の長手方向に設置した複数の水噴霧ヘッドから消火用水を放水してトンネル躯体を火災から防護する。 The automatic valve device constitutes a water spray facility, and the main valve is opened and driven by remote opening control of the electric valve for operation, and fire extinguishing water is discharged from multiple water spray heads installed in the longitudinal direction at the top of the tunnel wall surface. Protect the tunnel frame from fire.

ダクト内温度検知器は、トンネル長手方向の監視員通路の内部の配管やケーブルを敷設したダクトに配置されており、ケーブル火災等によるダクト内の温度上昇を検出し、接点手段として機能する無電圧a接点スイッチのオンにより温度検知信号を出力する。 The temperature detector in the duct is placed in the duct where the pipes and cables are laid inside the observer passage in the longitudinal direction of the tunnel, and detects the temperature rise in the duct due to a cable fire or the like, and functions as a contact means. A temperature detection signal is output when the a-contact switch is turned on.

上り線トンネル1a及び下り線トンネル1bの監視センター等には防災受信盤10が設置されている。防災受信盤10には、上り線トンネル1a及び下り線トンネル1bの防災監視機能に加え、端末機器を接続したP型の信号回線の電流を監視する電流監視機能が設けられている。 A disaster prevention receiver 10 is installed at the monitoring center of the up line tunnel 1a and the down line tunnel 1b. In addition to the disaster prevention monitoring function of the up line tunnel 1a and the down line tunnel 1b, the disaster prevention receiving panel 10 is provided with a current monitoring function for monitoring the current of the P-type signal line to which the terminal device is connected.

防災受信盤10からは上り線トンネル1aと下り線トンネル1bの内に、トンネル長手方向に分割した所定の区画毎にP型の信号回線12−1〜12−nが引き出され、区画単位に設けられた複数の消火栓弁開閉検出スイッチ14及び手動通報装置16が接続されている。 From the disaster prevention receiver 10, P-type signal lines 12-1 to 12-n are pulled out from the disaster prevention receiver 10 in each of the predetermined sections divided in the longitudinal direction of the tunnel in the up line tunnel 1a and the down line tunnel 1b, and are provided in each section. A plurality of fire hydrant valve open / close detection switches 14 and a manual notification device 16 are connected.

なお、ダクト内に設置されたダクト内温度検器に対しても、同様にP型の信号回線が区画単位に引き出され、区画単位に設けられた複数のダクト内温度検知器が接続されているが、図示を省略している。また、信号回線12−1〜12−nは、区別する必要がない場合は、信号回線12という場合がある。
Incidentally, even for duct temperature detection knowledge unit installed in the duct, as well as P-type signal lines are drawn in compartment units, it is connected to a plurality of duct temperature sensor provided in the partition unit However, the illustration is omitted. Further, the signal lines 12-1 to 12-n may be referred to as a signal line 12 when it is not necessary to distinguish them.

P型の信号回線12は信号線とコモン線で構成され、消火栓装置18の消火栓弁開閉検出スイッチ14、手動通報装置16及びダクト内温度検知器の各々に設けた無電圧a接点スイッチを接続した場合は、それぞれの操作又は検知動作により無電圧a接点スイッチをオンして回線電流を流すことで、消火栓起動信号、火災通報信号、温度検知信号を防災受信盤10に送るようにしている。 The P-type signal line 12 is composed of a signal line and a common line, and is connected to a non-voltage a contact switch provided in each of the fire extinguishing valve valve open / close detection switch 14, the manual notification device 16, and the temperature detector in the duct of the fire extinguisher device 18. In this case, the non-voltage a contact switch is turned on by each operation or detection operation to allow the line current to flow, so that the fire extinguishing plug start signal, fire notification signal, and temperature detection signal are sent to the disaster prevention receiver 10.

またトンネルの非常用施設としては、消火栓装置18、火災検知器及び自動弁装置以外に、消火ポンプ設備20、ダクト用の冷却ポンプ設備22、IG子局設備24、換気設備28、警報表示板設備30、ラジオ再放送設備32、テレビ監視設備34及び照明設備36等が設けられており、IG子局設備24をデータ伝送回線で接続する点を除き、それ以外の設備はP型信号回線により防災受信盤10に個別に接続されている。ここで、IG子局設備24は、防災受信盤10と外部に設けた上位設備である遠方監視制御設備26とをネットワーク25を経由して結ぶ通信設備である。 In addition to the fire hydrant device 18, fire detector and automatic valve device, the emergency facilities for the tunnel include fire extinguishing pump equipment 20, cooling pump equipment for ducts 22, IG slave station equipment 24, ventilation equipment 28, and alarm display board equipment. 30, radio rebroadcasting equipment 32, TV monitoring equipment 34, lighting equipment 36, etc. are provided, and except that the IG slave station equipment 24 is connected by a data transmission line, the other equipment is disaster-prevented by a P-type signal line. It is individually connected to the receiving panel 10. Here, the IG slave station equipment 24 is a communication equipment that connects the disaster prevention receiving panel 10 and the remote monitoring control equipment 26, which is a higher-level equipment provided outside, via the network 25.

換気設備28は、トンネル内の天井側に設置しているジェットファンの運転による高い吹き出し風速によってトンネル内の空気にエネルギーを与えて、トンネル長手方向に空気の流れを起こす設備である。 The ventilation facility 28 is a facility that gives energy to the air in the tunnel by a high blowing wind speed operated by a jet fan installed on the ceiling side in the tunnel to cause an air flow in the longitudinal direction of the tunnel.

また、警報表示板設備30は、トンネル内の利用者に対して、トンネル内の異常を、電光表示板に表示して知らせる設備である。ラジオ再放送設備32は、トンネル内で運転者等が道路管理者からの情報を受信できるようにするための設備である。テレビ監視設備34は、火災の規模や位置を確認したり、水噴霧設備の作動、避難誘導を行う場合のトンネル内の状況を把握するための設備である。照明設備36はトンネル内の照明機器を駆動して管理する設備である。 Further, the alarm display board equipment 30 is equipment for displaying an abnormality in the tunnel on an electric display board to notify the user in the tunnel. The radio rebroadcasting facility 32 is a facility for allowing a driver or the like to receive information from a road administrator in a tunnel. The TV monitoring facility 34 is a device for confirming the scale and position of a fire, operating a water spray facility, and grasping the situation in a tunnel when evacuation guidance is performed. The lighting equipment 36 is equipment that drives and manages the lighting equipment in the tunnel.

[防災受信盤のモニタ装置]
図2は防災受信盤の外観を示した説明図であり、図2(A)に正面を示し、図2(B)に側面を示す。図3は防災受信盤のパネル扉を開いてサブモニタ装置る状態を示した説明図である。
[Disaster prevention receiver monitor device]
FIG. 2 is an explanatory view showing the appearance of the disaster prevention receiver, FIG. 2 (A) shows the front surface, and FIG. 2 (B) shows the side surface. Figure 3 is an explanatory view showing an example situations that observed sub-monitor device opens the panel door disaster prevention receiving board.

図2に示すように、防災受信盤10は、前後に開放された箱形の筐体60の前面に、ハンドル操作により開閉自在なパネル扉62が設けられ、また、筐体60の裏面にも、バンドル操作により開閉自在な裏扉63が設けられている。 As shown in FIG. 2, the disaster prevention receiver 10 is provided with a panel door 62 that can be opened and closed by operating a handle on the front surface of the box-shaped housing 60 opened in the front-rear direction, and also on the back surface of the housing 60. A back door 63 that can be opened and closed by a bundle operation is provided.

パネル扉62の表側にはタッチパネル付きの液晶ディスプレイを用いたメインモニタ装置44が設置され、その下に、操作表示部64が配置されている。メインモニタ装置44の画面には、トンネル防災監視に関する所定の情報が表示される。 A main monitor device 44 using a liquid crystal display with a touch panel is installed on the front side of the panel door 62, and an operation display unit 64 is arranged below the main monitor device 44. Predetermined information regarding tunnel disaster prevention monitoring is displayed on the screen of the main monitor device 44.

筐体60の内部には、タッチパネル付きの液晶ディスプレイを用いたサブモニタ装置46が配置されている。図3に示すように、防災受信盤10のパネル扉62を開くと、筐体60内に支持枠68に配置されているサブモニタ装置46が現れ、サブモニタ装置46の画面に信号回線の電流値測定結果や判定結果を表示させることができる。 Inside the housing 60, a sub-monitor device 46 using a liquid crystal display with a touch panel is arranged. As shown in FIG. 3, when the panel door 62 of the disaster prevention receiver 10 is opened, the sub-monitor device 46 arranged on the support frame 68 appears in the housing 60, and the current value of the signal line is measured on the screen of the sub-monitor device 46. The result and the judgment result can be displayed.

[防災受信盤の構成]
図4はトンネル防災システムの機能構成の概略を示したブロック図である。図4に示すように、防災受信盤10は制御部40を備え、制御部40は例えばプログラムの実行により実現される機能であり、ハードウェアとしてはCPU、メモリ、AD変換ポートを含む各種の入出力ポート等を備えたコンピュータ回路等を使用する。
[Disaster prevention receiver configuration]
FIG. 4 is a block diagram showing an outline of the functional configuration of the tunnel disaster prevention system. As shown in FIG. 4, the disaster prevention receiving panel 10 includes a control unit 40, and the control unit 40 is a function realized by executing a program, for example, and the hardware includes various inputs including a CPU, a memory, and an AD conversion port. Use a computer circuit or the like equipped with an output port or the like.

制御部40に対しては、トンネル内に設置した各種の端末機器をP型の信号回線12により接続したP型伝送部42が設けられ、また、制御部40に対しメインモニタ装置44、サブモニタ装置46、スピーカ、ブザー、警報表示灯等を備えた警報部48、各種表示灯を備えた表示部50、各種スイッチを備えた操作部52を設け、更に、IG子局設備24、換気設備28、警報表示板設備30、ラジオ再放送設備32、テレビ監視設備34、照明設備36、消火ポンプ設備20及び冷却ポンプ設備22をP型の信号回線により個別に接続したP型伝送部54が設けられている。 The control unit 40 is provided with a P-type transmission unit 42 in which various terminal devices installed in the tunnel are connected by a P-type signal line 12, and the control unit 40 is provided with a main monitor device 44 and a sub-monitor device. 46, an alarm unit 48 equipped with a speaker, a buzzer, an alarm indicator light, etc., a display unit 50 equipped with various indicator lights, an operation unit 52 equipped with various switches, and further, an IG slave station facility 24, a ventilation facility 28, A P-type transmission unit 54 is provided in which an alarm display board facility 30, a radio rebroadcast facility 32, a television monitoring facility 34, a lighting facility 36, a fire extinguishing pump facility 20, and a cooling pump facility 22 are individually connected by a P-type signal line. There is.

制御部40にはプログラムの実行により実現される機能として、監視制御部56と電流監視部58の機能が設けられている。 The control unit 40 is provided with the functions of the monitoring control unit 56 and the current monitoring unit 58 as functions realized by executing the program.

(監視制御部)
監視制御部56はトンネル内に設置した消火栓装置18に設けられた消火栓弁開閉検出スイッチ14と手動通報装置16、火災検知器、ダクト内温度検知器、及び自動弁装置等の端末機器からの検知信号や操作信号に基づき、所定の監視制御を行う。
(Monitoring and control unit)
The monitoring control unit 56 detects from terminal devices such as a fire hydrant valve open / close detection switch 14 and a manual notification device 16, a fire detector, a temperature detector in a duct, and an automatic valve device provided in the fire hydrant device 18 installed in the tunnel. Performs predetermined monitoring and control based on signals and operation signals.

また、監視制御部56は、例えば消火栓装置18に設けた手動通報装置16の操作による火災通報信号(火災信号)を受信した場合、警報部48により主音響鳴動を行うと共に表示部50に火災代表表示を行い、更に、メインモニタ装置44の画面に火災表示と手動通報区画表示を行い、また消火栓装置18に応答信号を送信して応答ランプを点灯させる制御を行う。 Further, when the monitoring control unit 56 receives a fire notification signal (fire signal) operated by the manual notification device 16 provided in the fire hydrant device 18, for example, the alarm unit 48 sounds the main sound and the display unit 50 displays the fire representative. The display is performed, and further, a fire display and a manual notification section display are performed on the screen of the main monitor device 44, and a response signal is transmitted to the fire hydrant device 18 to control the lighting of the response lamp.

また、監視制御部56は、消火栓装置18に設けられた消火栓弁開閉レバーの開操作により消火栓弁開閉検出スイッチ14のオンで出力された消火栓起動信号を受信した場合、消火ポンプ設備20にポンプ起動信号を送信して起動させる制御を行う。 Further, when the monitoring control unit 56 receives the fire hydrant start signal output by turning on the fire hydrant valve open / close detection switch 14 by opening the fire hydrant valve open / close lever provided in the fire hydrant device 18, the monitoring control unit 56 starts the pump to the fire hydrant pump equipment 20. Controls to send a signal and activate it.

更に、監視制御部56は他設備に対する制御として、IG子局設備24を介して遠方監視制御設備26に火災通報信号を送信して警報させる制御、テレビ監視設備34により手動通報区画を表示する制御、警報表示板設備30により手動通報区画の火災通報を表示する制御、換気設備28により手動通報区画を換気する制御、照明設備36により手動通報区画を照明する制御等を行う。
Further, as control for other equipment, the monitoring control unit 56 transmits a fire notification signal to the remote monitoring control equipment 26 via the IG slave station equipment 24 to give an alarm, and the TV monitoring equipment 34 displays the manual notification section. , The alarm display board equipment 30 controls to display a fire report in the manual notification section, the ventilation equipment 28 controls to ventilate the manual notification section, and the lighting equipment 36 controls to illuminate the manual notification section.

また、監視制御部56は、ダクト内温度が上昇してダクト内温度検知器から温度検知信号を受信した場合、冷却ポンプ設備22にポンプ起動信号を出力し、ダクト内に設置したヘッドから散水してダクト内を冷却する制御を行う。
The monitoring control unit 56, if the duct temperature is received Atsushi Luo detection signal or the temperature detector duct rises from outputs pump activation signal to the cooling pump equipment 22, was placed in the duct head Controls to sprinkle water to cool the inside of the duct.

また、監視制御部56は、信号回線12の断線障害を監視しており、断線障害を検出すると、警報部48により障害音響鳴動を行うと共に表示部50に障害代表表示を行い、メインモニタ装置44の画面に障害表示と障害地区表示を行い、更に、電流監視部58に障害回線の回線番号を通知する制御を行う。 Further, the monitoring control unit 56 monitors the disconnection failure of the signal line 12, and when the disconnection failure is detected, the alarm unit 48 sounds the failure sound and the display unit 50 displays the failure representative, and the main monitor device 44 The failure display and the failure area are displayed on the screen of, and the current monitoring unit 58 is controlled to notify the line number of the failure line.

監視制御部56による信号回線12の断線障害の監視は、信号回線12の終端に終端抵抗を接続して断線監視電流を流しており、断線監視電流が断たれた場合に断線障害を検出する。 In the monitoring of the disconnection failure of the signal line 12 by the monitoring control unit 56, a terminating resistor is connected to the end of the signal line 12 to pass the disconnection monitoring current, and when the disconnection monitoring current is interrupted, the disconnection failure is detected.

(電流監視部)
電流監視部58は、消火栓弁開閉検出スイッチ14及び手動通報装置16を含む無電圧a接点スイッチを備えた端末機器を接続した信号回線12の電流値を測定し、測定した電流値が所定の上限値と下限値で決まる閾値範囲を外れた場合に電流値異常を判定し、測定結果を測定履歴として着脱自在なメモリカードを用いたメモリに記憶する制御を行う。電流監視部58による信号回線12の電流値の測定は、例えば、信号回線12に挿入した電流検出抵抗の検出電圧をAD変換して読み込み、ノイズの影響を除去するため、所定時間測定した電流値の平均値を求める。
(Current monitoring unit)
The current monitoring unit 58 measures the current value of the signal line 12 connected to the terminal device provided with the non-voltage a contact switch including the fire extinguisher valve open / close detection switch 14 and the manual notification device 16, and the measured current value is a predetermined upper limit. When the value and the lower limit value deviate from the threshold range, the current value abnormality is determined, and the measurement result is stored as a measurement history in a memory using a detachable memory card. The current value of the signal line 12 is measured by the current monitoring unit 58, for example, the detection voltage of the current detection resistor inserted in the signal line 12 is AD-converted and read to eliminate the influence of noise. Find the average value of.

ここで、電流監視部58による電流値測定には、定周期測定、自動測定、手動測定がある。電流監視部58の定周期測定は、所定周期毎、例えば1日1回の周期で全ての信号回線12の電流値を順次測定し、測定した電流値が所定の閾値範囲を外れた場合に電流値異常を判定し、測定結果を測定履歴としてメモリに記憶させる制御を行う。 Here, the current value measurement by the current monitoring unit 58 includes a fixed cycle measurement, an automatic measurement, and a manual measurement. The constant cycle measurement of the current monitoring unit 58 sequentially measures the current values of all the signal lines 12 at predetermined cycles, for example, once a day, and when the measured current values deviate from the predetermined threshold range, the current is measured. Control is performed to determine a value abnormality and store the measurement result in the memory as a measurement history.

電流監視部58による電流値の自動測定は、サブモニタ装置46による自動測定操作を検出した場合に、全ての信号回線12に流れる電流値を順次測定し、測定した電流値が所定の閾値範囲を外れた場合に電流値異常を判定し、測定結果をサブモニタ装置46に画面表示させる制御を行う。 In the automatic measurement of the current value by the current monitoring unit 58, when the automatic measurement operation by the sub monitor device 46 is detected, the current values flowing through all the signal lines 12 are sequentially measured, and the measured current value deviates from the predetermined threshold range. In this case, the current value abnormality is determined, and the measurement result is controlled to be displayed on the screen on the sub monitor device 46.

電流監視部58による電流値の手動測定は、サブモニタ装置46による信号回線の選択を含む手動測定操作を検出した場合に、選択された信号回線に流れる電流値を測定し、測定した電流値が所定の閾値範囲を外れた場合に電流値異常を判定し、測定結果をサブモニタ装置46に画面表示させる制御を行う。 In the manual measurement of the current value by the current monitoring unit 58, when a manual measurement operation including the selection of the signal line by the sub monitor device 46 is detected, the current value flowing through the selected signal line is measured, and the measured current value is predetermined. When the current value is out of the threshold range of, the current value abnormality is determined, and the measurement result is controlled to be displayed on the screen on the sub monitor device 46.

また、電流監視部58は、サブモニタ装置46による測定履歴表示操作を検出した場合、メモリに記憶されている電流値の測定履歴をサブモニタ装置46に画面表示させる制御を行う。 Further, when the current monitoring unit 58 detects the measurement history display operation by the sub monitor device 46, the current monitoring unit 58 controls the sub monitor device 46 to display the measurement history of the current value stored in the memory on the screen.

また、電流監視部58は、サブモニタ装置46による異常履歴表示操作を検出した場合、メモリに記憶されている電流値の測定履歴から電流値異常が判定されている測定履歴を抽出してサブモニタ装置46に時系列的に画面表示させる制御を行う。 Further, when the current monitoring unit 58 detects the abnormality history display operation by the sub monitor device 46, the current monitoring unit 58 extracts the measurement history in which the current value abnormality is determined from the measurement history of the current value stored in the memory, and the sub monitor device 46. Controls the screen display in chronological order.

[電流監視部による電流値異常の予兆警報]
防災受信盤10の制御部40に設けられ電流監視部58は、測定された電流値が電流値異常を判定する所定の閾値範囲内で通常予想される所定の変化を超えて大きく変化した場合に、電流値異常の予兆を判定して予兆警報を出力させる制御を行う。
[Predictive warning of current value abnormality by current monitoring unit]
The current monitoring unit 58 provided in the control unit 40 of the disaster prevention receiving panel 10 is provided when the measured current value changes significantly beyond a predetermined change usually expected within a predetermined threshold range for determining a current value abnormality. , Controls to determine the sign of abnormal current value and output a sign alarm.

電流監視部58による電流値異常の予兆警報は、メインモニタ装置44の画面に電流値異常の予兆警報を代表表示させると共にサブモニタ装置46の画面に電流値異常の予兆警報の詳細情報として、測定結果と共に上り線トンネルか下り線トンネルかを示す系統、予兆警報に対象となった消火栓や手動通報装置等の装置名を表示させる。 The current value abnormality sign alarm by the current monitoring unit 58 is a measurement result as detailed information of the current value abnormality sign alarm on the screen of the main monitor device 44 and the sub monitor device 46 as a representative display of the current value abnormality sign alarm. At the same time, the system indicating whether it is an up line tunnel or a down line tunnel, and the device name such as a fire hydrant or a manual notification device targeted for a sign alarm are displayed.

ここで、電流監視部58による電流値異常の予兆判定は例えば
(1)予兆閾値範囲の設定による電流値異常の予兆判定、
(2)平均電流との差による電流値異常の予兆判定、
(3)前回測定の電流値との差による電流値異常の予兆判定、
があり、何れか1つ又は複数の組み合わせにより電流異常値の予兆を判定して予兆警報を出力させる。
Here, the predictive determination of the current value abnormality by the current monitoring unit 58 is, for example, (1) the predictive determination of the current value abnormality by setting the predictive threshold range.
(2) Judgment of a sign of current value abnormality due to the difference from the average current,
(3) Judgment of a sign of current value abnormality due to the difference from the current value measured last time,
There is, and the sign of the current abnormal value is determined by any one or a combination of two or more, and the sign alarm is output.

(予兆閾値範囲の設定による電流値異常の予兆判定)
図5は予兆閾値範囲の設定による電流値異常の予兆判定を示したグラフ図である。図5は例えば現在日(1日)からそれ以前の18日前までの定周期測定で得られた測定履歴の電流値の日変化を示している。このような電流値の測定履歴に対し、電流値異常を判定するための下限値Ith1と上限値Ith4が設定され、また、電流値異常を判定する閾値範囲Ith1〜Ith4の範囲内に、電流値異常の予兆を判定するための予兆下限値Ith2と予兆上限値Ith3が設定されている。
(Predictive judgment of current value abnormality by setting the predictive threshold range)
FIG. 5 is a graph showing a sign determination of a current value abnormality by setting a sign threshold range. FIG. 5 shows, for example, the diurnal change of the current value of the measurement history obtained by the fixed cycle measurement from the current day (1 day) to 18 days before that. The lower limit value Is1 and the upper limit value Is4 for determining the current value abnormality are set for such a current value measurement history, and the current value is within the range of the threshold range Is1 to Is4 for determining the current value abnormality. A sign lower limit value Is2 and a sign upper limit value Is3 for determining a sign of abnormality are set.

電流監視部58は、図5に示すように、電流値異常を判定する閾値範囲Ith1〜Ith4内に、それより狭い予兆閾値範囲Ith2〜Ith3を設定し、測定された電流値Iiが予兆閾値範囲Ith2〜Ith3を外れた場合、即ち、
Ith2≧Ii>Ith1又はIth4>Ii≧Ith3
となった場合に、電流値異常の予兆を判定して予兆警報を出力させる制御を行う。
As shown in FIG. 5, the current monitoring unit 58 sets a narrower predictive threshold range Is2 to Is3 within the threshold range Is1 to Is4 for determining the current value abnormality, and the measured current value Ii is the predictive threshold range. When it deviates from Is2 to Is3, that is,
Is2 ≧ Ii> Is1 or Is4> Ii ≧ Is3
When becomes, the control is performed to determine the sign of the current value abnormality and output the sign alarm.

図5にあっては、現在日(1日目)の定周期測定により測定された電流値Iiは予兆上限Ith3に達しており、このため電流監視部58は測定された電流値について、電流値異常の予兆を判定して予兆警報を出力させる。 In FIG. 5, the current value Ii measured by the fixed-period measurement of the current day (first day) has reached the upper limit of the sign Is3. Therefore, the current monitoring unit 58 has the current value of the measured current value. The sign of abnormality is judged and a sign alarm is output.

(平均電流との差による電流値異常の予兆判定)
図6は平均電流との差による電流値異常の予兆判定を示したグラフ図である。図6に示すように、電流監視部58は、測定履歴から過去の平均電流値Iaを求め、現在日(1日目)の定周期測定により測定された電流値Iiが電流値異常を判定する閾値範囲Ith1〜Ith4の範囲内にあることを条件に、測定された電流値Iiと平均電流値Iaとの差ΔIが所定の閾値変化量ΔIthを超えて増減した場合に、電流値異常の予兆を判定して予兆警報を出力させる制御を行う。
(Determination of sign of current value abnormality due to difference from average current)
FIG. 6 is a graph showing a sign determination of a current value abnormality due to a difference from the average current. As shown in FIG. 6, the current monitoring unit 58 calculates an average current value Ia of the measurement history or al past, current Ii measured by periodic measurement of the current day (day 1) of the current abnormal When the difference ΔI between the measured current value Ii and the average current value Ia increases or decreases beyond a predetermined threshold change amount ΔIth on condition that the current value is within the range of the determination threshold range Is1 to Is4, the current value is abnormal. Control is performed to determine the sign of the current and output a sign alarm.

図6にあっては、現在日(1日目)の定周期測定により測定された電流値Iiと平均電流値Iaとの差ΔIが閾値変化量ΔIth以上となっており、このため電流監視部58は測定された電流値について、電流値異常の予兆を判定して予兆警報を出力させる。 In FIG. 6, the difference ΔI between the current value Ii and the average current value Ia measured by the constant cycle measurement on the current day (first day) is equal to or greater than the threshold change amount ΔIth. Therefore, the current monitoring unit With respect to the measured current value, 58 determines a sign of an abnormality in the current value and outputs a sign alarm.

(前回測定の電流値との差による電流値異常の予兆判定)
図7は前回測定の電流値との差による電流値異常の予兆判定を示したグラフ図である。図7に示すように、電流監視部58は、現在日(1日目)の定周期測定により測定された電流値Iiが電流値異常を判定する閾値範囲Ith1〜Ith4の範囲内にあることを条件に、前回測定された電流値Ii−1との差ΔIが所定の閾値変化量ΔIthを超えて増減した場合に、電流値異常の予兆を判定して予兆警報を出力させる制御を行う。ここで、電流監視部58により求める今回測定された電流値Iiと前回測定された電流値Ii−1との差ΔIは、電流値の変化率を示しており、これは電流値の変化率が所定の閾値以上となった場合に電流値以上の予兆を判定して警報することを意味する。
(Determination of sign of current value abnormality due to difference from the current value measured last time)
FIG. 7 is a graph showing a sign determination of a current value abnormality due to a difference from the current value measured in the previous measurement. As shown in FIG. 7, the current monitoring unit 58 indicates that the current value Ii measured by the constant cycle measurement of the current day (first day) is within the threshold range Is1 to Is4 for determining the current value abnormality. As a condition, when the difference ΔI from the previously measured current value Ii-1 increases or decreases beyond a predetermined threshold value change amount ΔIth, the sign of the current value abnormality is determined and the sign alarm is output. Here, the difference ΔI between the current value Ii measured this time and the current value Ii-1 measured last time, which is obtained by the current monitoring unit 58, indicates the rate of change of the current value, which is the rate of change of the current value. It means that when the value exceeds a predetermined threshold value, a sign of a current value or more is determined and an alarm is given.

(サブモニタによる測定記録画面の表示)
図8は定周期測定による測定履歴を表示したサブモニタ装置の測定記録画面を示した説明図であり、電流監視部58により電流値異常の予兆が判定されて予兆警報が出力された場合を例にとって示している。
(Display of measurement recording screen by sub monitor)
FIG. 8 is an explanatory diagram showing a measurement recording screen of the sub-monitor device that displays the measurement history by the constant cycle measurement, and is an example of a case where the current monitoring unit 58 determines a sign of a current value abnormality and outputs a sign alarm. Shown.

図8に示すように、サブモニタ画面70には、メインモニタ装置44の画面に電流値異常の予兆警報の代表表示が行われた場合、図3に示したように、パネル扉62を開いてサブモニタ装置46で所定の画面操作を行うと、定周期測定により測定して記憶された測定履歴の読み出しにより測定記録画面72が表示される。 As shown in FIG. 8, when a representative display of a sign alarm of a current value abnormality is displayed on the screen of the main monitor device 44 on the sub monitor screen 70, the panel door 62 is opened and the sub monitor is displayed as shown in FIG. When a predetermined screen operation is performed by the device 46, the measurement recording screen 72 is displayed by reading out the measurement history measured and stored by the constant cycle measurement.

測定記録画面72の右側には、ページ表示74、ページ切替ボタン76,78、ファイル保存ボタン80及びメモリ取出ボタン82が配置される。 On the right side of the measurement recording screen 72, a page display 74, page switching buttons 76 and 78, a file save button 80, and a memory eject button 82 are arranged.

ページ切替ボタン76,78を操作することで測定履歴詳細情報84のページ切替えを可能としている。ファイル保存ボタン80は測定結果のメモリ格納を指示する。メモリ取出ボタン82は防災受信盤10から電流値測定情報を記憶したメモリを取り出す場合に操作する。 By operating the page switching buttons 76 and 78, the page of the measurement history detailed information 84 can be switched. The file save button 80 instructs the memory storage of the measurement result. The memory eject button 82 is operated when ejecting the memory storing the current value measurement information from the disaster prevention receiving panel 10.

測定記録画面72の画面中央に表示された測定履歴詳細情報84は、前記(1)の予兆閾値範囲の設定による電流値異常の予兆判定を例にとっている。ここで、回線番号002にあっては、測定値が0.75mAであり、予兆上限値0.75mAに達していることから、予兆判定には「NG」の表示により電流値異常の予兆が示されている。 The measurement history detailed information 84 displayed in the center of the measurement recording screen 72 takes as an example the predictive determination of the current value abnormality by setting the predictive threshold range in (1). Here, in the line number 002, the measured value is 0.75 mA, and the upper limit of the sign has reached 0.75 mA. Therefore, the sign of the current value abnormality is indicated by the display of "NG" in the sign determination. Has been done.

また、回線番号004にあっては、測定値が1.25mAであり、異常上限値1.00mAを超えていることから、異常判定には「NG」の表示により電流値異常が示されている。この場合、測定値1.25mAは予兆上限値0.75mAも超えていることから、当然に、予兆判定には「NG」の表示により予兆が示されている。 Further, in the line number 004, the measured value is 1.25 mA, which exceeds the abnormal upper limit value of 1.00 mA. Therefore, the current value abnormality is indicated by the display of "NG" in the abnormality determination. .. In this case, since the measured value of 1.25 mA also exceeds the upper limit of the sign of 0.75 mA, the sign is naturally indicated by the display of “NG” in the sign determination.

[防災受信盤の他の実施形態]
図9は前面の扉パネルにグラフィックパネル、表示パネル及び操作パネルを設けた防災受信盤の他の実施形態を示した説明図、図10は図9の表示パネルを取り出して示した説明図である。
[Other embodiments of disaster prevention receiver]
FIG. 9 is an explanatory view showing another embodiment of the disaster prevention receiving panel provided with a graphic panel, a display panel, and an operation panel on the front door panel, and FIG. 10 is an explanatory view showing the display panel of FIG. 9 taken out. ..

図9に示すように、本実施形態の防災受信盤10は、パネル扉62には、図2及び図3の防災受信盤10に設けられているメインモニタ装置44に代えて、グラフィックパネル86、表示パネル88及び操作パネル90が設けられている。 As shown in FIG. 9, in the disaster prevention receiving board 10 of the present embodiment, the panel door 62 has a graphic panel 86 instead of the main monitor device 44 provided in the disaster prevention receiving board 10 of FIGS. 2 and 3. A display panel 88 and an operation panel 90 are provided.

グラフィックパネル86にはトンネル系統図が表示され、系統図にはトンネル内をP型信号回線毎に区分けして消火栓及び手動通報装置の区画表示灯が配列されている。また、操作パネル90には、トンネル防災監視に必要な操作スイッチや非常電話機が設けられている。 A tunnel system diagram is displayed on the graphic panel 86, and in the system diagram, the inside of the tunnel is divided into P-type signal lines, and fire hydrants and compartment indicator lights of a manual notification device are arranged. Further, the operation panel 90 is provided with an operation switch and an emergency telephone necessary for tunnel disaster prevention monitoring.

表示パネル88は、図10に取り出して示すように、防災監視に必要な各種の表示灯が配列されており、防災受信盤10に設けられた電流監視機能に対応して、電流監視装置測定中灯92、電流監視装置故障灯94、手動通報電流値異常灯96、手動通報電流値異常予兆灯98、消火栓電流値異常灯100及び消火栓電流値異常予兆灯102が設けられている。 As shown in FIG. 10, the display panel 88 is arranged with various indicator lights necessary for disaster prevention monitoring, and the current monitoring device is being measured in response to the current monitoring function provided in the disaster prevention receiver panel 10. A light 92, a current monitoring device failure light 94, a manual notification current value abnormality light 96, a manual notification current value abnormality sign light 98, a fire extinguisher current value abnormality light 100, and a fire extinguisher current value abnormality sign light 102 are provided.

本実施形態による防災受信盤10の機能構成は、図4に示した防災受信盤10の機能構成からメインモニタ装置44を除くことで、それ以外は同じ機能となる。このため防災受信盤10の電流監視部は、定周期測定により測定された例えば手動通報装置の電流値につき、前述した(1)〜(3)に基づき電流値異常の予兆を判定した場合に、図10に示す表示パネルに設けられた手動通報電流値異常予兆灯98を点灯して電流値異常の予兆を所定の警報音の出力と共に代表表示させ、これ基づき図8に示したように、サブモニタ装置46の画面に電流値異常の予兆の詳細情報を表示させることができる。

The functional configuration of the disaster prevention receiving board 10 according to the present embodiment has the same function except that the main monitor device 44 is removed from the functional configuration of the disaster prevention receiving board 10 shown in FIG. Therefore, when the current monitoring unit of the disaster prevention receiver 10 determines a sign of an abnormality in the current value based on the above-mentioned (1) to (3) with respect to the current value of, for example, the manual notification device measured by the constant cycle measurement, The manual notification current value abnormality sign lamp 98 provided on the display panel shown in FIG. 10 is turned on to display the sign of the current value abnormality as a representative together with the output of a predetermined alarm sound, and based on this, as shown in FIG. 8, the sub monitor The detailed information of the sign of the current value abnormality can be displayed on the screen of the device 46.

また、防災受信盤10の電流監視部は、定周期測定により測定された例えば手動通報装置の電流値につき、電流値異常を判定した場合に、図10に示す表示パネルに設けられた手動通報電流値異常灯96を点灯して電流値異常を所定の警報音の出力と共に代表表示させ、これ基づき図8に示したように、サブモニタ装置46の画面に電流値異常の詳細情報を表示させることができる。 Further, when the current monitoring unit of the disaster prevention receiver 10 determines that the current value is abnormal with respect to the current value of, for example, the manual notification device measured by the constant cycle measurement, the manual notification current provided on the display panel shown in FIG. The value abnormality lamp 96 can be turned on to display the current value abnormality as a representative together with the output of a predetermined alarm sound, and based on this, as shown in FIG. 8, the detailed information of the current value abnormality can be displayed on the screen of the sub monitor device 46. it can.

[本発明の変形例]
本発明は、その目的と利点を損なわ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。
[Modification of the present invention]
The present invention includes appropriate modifications that do not impair its purpose and advantages, and is not further limited by the numerical values shown in the above embodiments.

1a:上り線トンネル
1b:下り線トンネル
10:防災受信盤
12,12−1〜12−n:信号回線
14:消火栓弁開閉検出スイッチ
16:手動通報装置
18:消火栓装置
20:消火ポンプ設備
22:冷却ポンプ設備
24:IG子局設備
26:遠方監視制御設備
28:換気設備
30:警報表示板設備
32:ラジオ再放送設備
34:テレビ監視設備
36:照明設備
40:制御部
42,54:P型伝送部
44:メインモニタ装置
46:サブモニタ装置
48:警報部
52:操作部
56:監視制御部
58:電流監視部
60:筐体
62:パネル扉
70:サブモニタ画面
72:測定記録画面
86:グラフィックパネル
88:表示パネル
90:操作パネル
96:手動通報電流値異常灯
98:手動通報電流値異常予兆灯
100:消火栓電流値異常灯
102:消火栓電流値異常予兆灯
1a: Up line tunnel 1b: Down line tunnel 10: Disaster prevention receiver 12, 12-1 to 12-n: Signal line 14: Fire hydrant valve open / close detection switch 16: Manual notification device 18: Fire hydrant device 20: Fire hydrant pump equipment 22: Cooling pump equipment 24: IG slave station equipment 26: Remote monitoring and control equipment 28: Ventilation equipment 30: Alarm display board equipment 32: Radio rebroadcasting equipment 34: TV monitoring equipment 36: Lighting equipment 40: Control unit 42, 54: P type Transmission unit 44: Main monitor device 46: Sub monitor device 48: Alarm unit 52: Operation unit 56: Monitoring control unit 58: Current monitoring unit 60: Housing 62: Panel door 70: Sub monitor screen 72: Measurement recording screen 86: Graphic panel 88: Display panel 90: Operation panel 96: Manual notification current value abnormality light 98: Manual notification current value abnormality sign light 100: Fire hydrant current value abnormality light 102: Fire hydrant current value abnormality sign light

Claims (5)

ンネル内に配置した端末機器から信号回線を介して送信され防災受信盤で受信される火災に関する所定の信号に基づき火災警報を出力するトンネル防災システムに於いて、
前記防災受信盤は、
前記信号回線に流れる電流値を測定し、
前記測定した電流値の異常である電流値異常を所定の電流値異常判定条件に基づいて判定し、前記電流値異常と判定した場合に前記電流値異常の警報を出力させ、
前記電流値異常の発生が予測される状態である電流値異常の予兆を所定の電流値異常の予兆判定条件に基づいて判定し、前記電流値異常の予兆と判定した場合に前記電流値異常の予兆警報を出力させる制御部を備えたことを特徴とするトンネル防災システム。
In tunnel disaster prevention system for outputting a fire alarm on the basis of a predetermined signal regarding the fire to be transmitted from the terminal device disposed within the tunnel through the signal line is received by the disaster prevention receiving machine,
The disaster prevention receiver
Measure the current value flowing through the signal line and
The current value abnormality, which is an abnormality of the measured current value, is determined based on a predetermined current value abnormality determination condition, and when the determination is made as the current value abnormality, an alarm for the current value abnormality is output.
The sign of the current value abnormality, which is a state in which the occurrence of the current value abnormality is predicted, is determined based on the predetermined current value abnormality sign determination condition, and when it is determined as the sign of the current value abnormality, the current value abnormality A tunnel disaster prevention system characterized by having a control unit that outputs a predictive alarm.
請求項1記載のトンネル防災システムに於いて、
前記電流値が所定の第1閾範囲外となった場合に前記電流値異常と判定し、
前記電流値が前記所定の第1閾範囲内であって当該所定の第1閾範囲より狭い所定の第2閾範囲外となった場合に前記電流値異常の予兆判定することを特徴とするトンネル防災システム。
In the tunnel disaster prevention system according to claim 1,
When the current value falls outside the predetermined first threshold range, it is determined that the current value is abnormal, and the current value is determined to be abnormal.
A in the current value is the predetermined first threshold range, wherein determining that the current value indication of abnormality when it becomes outside the second threshold range of a predetermined have narrower than the first threshold range of the predetermined Tunnel disaster prevention system.
請求項1記載のトンネル防災システムに於いて、
前記制御部は、所定の期間に於いて測定した前記電流値から過去の平均電流値を求め、今回測定した前記電流値と前記平均電流値との相関に基づいて前記電流値異常の予兆判定することを特徴とするトンネル防災システム。
In the tunnel disaster prevention system according to claim 1,
Wherein the control unit obtains a past average current value from the current value measured at a predetermined time period, determining the sign of the current abnormality based on a correlation of the current value measured this time and the average current value A tunnel disaster prevention system characterized by doing.
請求項1記載のトンネル防災システムに於いて、
前記制御部、前回測定した前記電流値と、今回測定した前記電流値との相関に基づいて前記電流値異常の予兆判定することを特徴とするトンネル防災システム。
In the tunnel disaster prevention system according to claim 1,
Wherein, the tunnel disaster prevention system, characterized by determining said current value measured last time, and the current value indication of abnormality on the basis of the correlation between the current value measured this time.
請求項1乃至4の何れかに記載のトンネル防災システムに於いて、
更に、前記防災受信盤は表示部を備え
前記制御部は、前記信号回線について前記電流値異常又は前記電流値異常の予兆判定した場合に、当該電流値異常又は電流値異常と判定された信号回線の前記電流値異常又は前記電流値異常の予兆を示す情報、及び又は当該判定の対象とした前記電流値前記表示部に表示させることを特徴とするトンネル防災システム。
In the tunnel disaster prevention system according to any one of claims 1 to 4.
Further, the disaster prevention receiver is provided with a display unit .
Wherein, when it is determined that a sign of the current abnormalities or the current value abnormality for said signal line, the current value abnormality or said current value signal abnormality line is determined with the current value abnormality or abnormal intensity of the electric current A tunnel disaster prevention system, characterized in that information indicating a sign of the above, or the current value targeted for the determination is displayed on the display unit .
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