WATER LEAKAGE DETECTION SYSTEM AND WATER LEAKAGE DETECTION METHOD

To provide a water leakage detection system having high reliability.SOLUTION: Provided is a water leakage detection system equipped with a plurality of water leakage detection terminals for detecting water leakage in a buried pipe and a center-side device connected to each of the plurality of water leakage detection terminals via a communication network. Each of the plurality of water leakage detection terminals includes a sensor unit for detecting vibration in the buried pipe, a terminal-side processing unit for processing the vibration data on the vibration detected by the sensor unit, and a terminal-side communication unit for transmitting the processing result of the terminal-side processing unit to the center-side device. The center-side device is constituted so as to include a center-side communication unit for receiving the processing result transmitted from each of the plurality of water leakage detection terminals, a center-side processing unit for processing the processing result, and a time synchronization unit for synchronizing time between the water leakage detection terminals, among the plurality of water leakage detection terminals, that are contiguously installed, on the basis of vibration data different from the vibration data on leak water included in the data processed by the center-side processing unit.SELECTED DRAWING: Figure 1 【課題】信頼性の高い漏水検知システムを提供する。【解決手段】埋設管の漏水を検知するための複数の漏水検知端末と、複数の漏水検知端末の各々と通信網を介して接続されるセンタ側装置とを備える漏水検知システムであって、複数の漏水検知端末の各々は、埋設管内の振動を検知するセンサ部と、センサ部で検知した振動の振動データを処理する端末側処理部と、端末側処理部の処理結果をセンタ側装置に送信する端末側通信部と、を備え、センタ側装置は、複数の漏水検知端末の各々から送信された処理結果を受信するセンタ側通信部と、処理結果を処理するセンタ側処理部と、センタ側処理部で処理されたデータに含まれる漏水の振動データとは異なる振動データに基づいて、複数の漏水検知端末のうち近接して設置されている漏水検知端末間の時刻同期を行う時刻同期部と、を備えるようにした。【選択図】図１