本期danfei童孩说一个酷爱潜水的朋友那里有一块坏了的潜水手表,于是动了一个“邪恶”的念头想把它拆开来研究一下里面的结构,于是又一块待拆的素材落到了咱们的手中——Suunto Gekko潜水手表。 image

查了一下网上的资料,这块手表人民币售价是2390左右,Gekko是老产品,新产品的名字改了叫“Zoop”,在亚马逊上售价249刀,可以监测水压等指数给潜水员根据自己的潜水计划(如在多深的水下逗留多少分钟)给出安全指示,帮助潜水员潜得更深更安全,也算是个“智能”手表了。介绍如下:

*The ZOOP dice computer from Suunto is a wrist-mounted computer that will not only enhance your time under water; it will also help you be a safer diver without breaking the bank. Its ability to operate in two modes (air and Nitrox), safety features (decompression stop data, audible alarms, and easy-to-read display), and simple menus mean the ZOOP will provide critical dive data when it is needed quickly and accurately. It employs the reduced gradient bubble model (RGBM), which is an algorithm developed to calculate decompression stops; this algorithm is a model used to determine how much gas is accumulated during a dive and how much time is required at your safety stop(s) to safely surface. Suunto’s ZOOP is PC-compatible, so you can easily store your dive data (up to 50 hours) and logs on a PC. It is activated by water, so you don’t have to worry about forgetting to start your computer and losing a single dive’s valuable data. Because this computer is wrist mounted, there’s never a need to search for your gauge console when you want to check on your depth, maximum bottom time, dive time, and no deco time. All of that information is available at a moment’s notice, right on your wrist. In addition, the ZOOP’s bright phosphorescent display makes seeing your dive data easy during night and day dives.

由于对潜水不是很熟悉,这些资料容后再学习。首先观察了一下手表的外部结构: image

表的背面上方边缘上有两个触点,根据danfei童孩说这两个触点的意义在于:当你下水的时候这两个触点就会导通,从而手表知道你已经下水了。中间一个圆圆的透明外壳写着FINLAND及其他技术参数。右侧有一个带有5个孔的小结构,猜测可能是压力传感器,监测水压之用。表的正面(如上图一)有三个按钮分别是“Mode”,“Time”,“Plan”,左侧有一个参考的刻度。

接下来我们把背面的圆形块卸下来,发现里面是一个带有胶圈密封的配件,胶圈保证了表内部的防水性能,拆卸的时候也确实费了点力。把那个透明的盖子取下来之后,就看到原来里面只是一个锂电子,而盖子则被发现为是一个利用锂电子驱动的“蜂鸣器”,可以提供简单的提示音。 image

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在得知锂电子的信息之后,我们拿出来一个可调的电源,直接接在手表的正负极上,发现手表居然还活着,能显示读数!于是拆解达人决定要尽可能不杀掉它而把它拆解下来。可是由于这个表的结构设计得实在太紧密了,花了很长时间都还没能把那个白色外壳卸下来,于是拆解达人决定把它拿回家再耐心拆解,我们也只能等下回分解了。

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