大家应该知道最近的火警报警器在什么位置，还有火灾发生时安全出口在哪，火门在哪。

Everyone should know where the nearest fire alarm box is located and where exits fire escapes, and fire doors are.

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本发明是这样实现的， 在瓶的瓶体上安装一个智能报警器是可以判断门与瓶相对位置的集成电路；

The invention is realized as the following: an intelligent alarm is arranged on the body of the bottle and can judge the integrated circuit of the relative position of the door and the bottle;

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