Smoke Detector Teardown

撰写者： Ari Dubinsky (和另外一个贡献者)

发布于： March 4, 2014

评论： 2
收藏 18
浏览量 8.1千

Smoke Detector Teardown

撰写者： Ari Dubinsky (和另外一个贡献者)

发布于： March 4, 2014

评论： 2
收藏 18
浏览量 8.1千

拆解

简介

For our reverse engineering project, we chose to use the smoke detector. This smoke detector consists of a sensor to detect smoke and a loud electronic buzzer to alert people within the building.

你所需要的

这个拆解是不是维修指南。要维修你的的Gas and Smoke Detector，请使用我们的维修手册。

步骤 1 Smoke Detector Teardown

Smoke Detector Teardown, Smoke Detector Teardown: 步骤 1 中的图像 1，2

Smoke Detector Teardown, Smoke Detector Teardown: 步骤 1 中的图像 2，2

Use a screwdriver to pry open the plastic enclosure. It might be easier to push the buzzer through the hole, if you need extra leverage.

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步骤 2

The buzzer is unhooked from the PCB board, by hands.

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步骤 3

This is the circuit for the smoke detector. It is powered by a 9V battery. The 3 metal leafs are contacts for the buzzer and the bigger leaf is for the test button.

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