博物馆里保管、陈列、展览的物品,大都具有重要的价值。然而,我看新闻得知,世界各地的一些博物馆偶有展品被盗的事情发生。我开动脑筋,首先想到设计一种报警装置,然而经过了解,发现:目前已发明的报警装置种类多、技术较成熟,改进的空间有限。在老师的指导下,经过反复论证和试验,我设计了一种展品防盗装置。展品防盗装置包括两部分,触发开关和展品保护系统。我知道有一种感应水龙头,手放在水龙头下时,水龙头红外线发射 Museums in the custody, display, exhibition items, most have important value. However, I read the news that stolen occasional exhibits have been stolen from some museums around the world. I started thinking, first of all think of the design of a warning device, but after understanding and found that: the alarm device has been invented more types, more mature technology, improved space is limited. Under the guidance of the teacher, after repeated demonstration and experiment, I designed a display anti-theft device. Anti-theft device includes two parts, trigger switch and exhibits protection system. I know there is a sensor faucet, the faucet infrared emission when the hand is placed under the faucet