本論文旨在於設計一個藉由網際網路達到隨時可以監控居家安全,並具有即時通報危險之功能。 本論文主要是利用可程式控制器以及人機介面所組成的SCADA系統來達到居家安全之監控與通報之目的。並藉由一氧化碳偵測器所偵測出的一氧化碳值,能夠即時在網路上顯現,如濃度超出可容許範圍時會即刻以E-mail的方式通知所設定之人,來達到即時向外求援之功用,也可藉由所顯示之數據了解濃度是否有改善。除此之外並應用紅外線感測器偵測居家周圍是否有可疑的人事物也將即時通報給使用者得知。 本論文也裝設網路攝影機,即使不再室內也可即時監看居家周遭的即時現況,以及可以遠端控制室內照明。
The purpose of the study is to design a home security surveillance system and an emergency notification system with a network design. The study adopted a programmable logic controller (PLC) and a human–machine interface (HMI) to consist a SCADA system which can reach the demands of home security surveillance and an emergency notification. Besides, a carbon monoxide detector can detect the level of carbon monoxide and the updates will display on the Internet. If the level of carbon monoxide is over the maximum allowable concentration, then the user(s) will receive a notification via an email immediately. It can not only seek help from outside groups, but also know its improvement of the level of carbon monoxide with the displayed figures. In addition, an infrared sensor (IR sensor) was also applied into the system to detect if there are any suspicious-looking characters around the house and a notification will send to the user(s) as well. In this study, a web cam was also installed into the system. Thus, it can not only provide people with video footage of any events which may happen around the house, but also control lights indoors with a remote control system.