蜜袋鼯 第⑥贴 基于RSL10的蜜袋鼯--运动奖励系统之硬件设计
本帖最后由 justd0 于 2021-7-1 02:01 编辑<div style="border-width:100%">
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<p><strong><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">前要简介</span></span></strong></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> 本帖主要介绍下<a href="https://bbs.eeworld.com.cn/thread-1170825-1-1.html">基于RSL10的蜜袋鼯健康监测系统</a>中的运动奖励子系统的设计，运动奖励子系统主要可以实现 主机端通过蓝牙协议 与其通讯，当有奖励指令下达后，该系统则驱动电磁阀导通，推出装有小虫的盒子，已达到给蜜袋鼯奖励食物的作用。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><strong><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">本帖正文</span></span></strong></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> 运动奖励系统子系统设计主要分为三部分、硬件设计、机械结构设计和软件设计。</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">首先是结构设计，结构原理确定了，才能定下硬件的选型，这里主要是给小蜜投递最爱的玉米虫吃，玉米虫一般都在</span><span lang="en-US" style="font-family:"Times New Roman"">2</span><span lang="en-US" style="font-family:"Microsoft YaHei"">-3cm</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">长，</span><span lang="en-US" style="font-family:"Microsoft YaHei"">6mm</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">直径左右。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> <span style="color:#999999;">玉米虫<span style="font-size:16px;">图片不放了，以免产生不适。</span><img height="48" src="https://bbs.eeworld.com.cn/static/editor/plugins/hkemoji/sticker/facebook/hug.gif" width="60" /></span></span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">因此我想只要设计个小盒子，当要发奖励的时候，就翻开盒子的盖子，我家“小果冻”鼻子很灵，肯定一下子就能找到的，于是有了如下方案草图。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">方案如图所示，玉米虫放在左边的小盒子中，小盒子上面有个盖子，盖子后端有个固定轴，上端有个连杆连接后端，通过相应的动作机构就可以在奖励的时候打开盖子。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">动作机构我考虑了电机和电磁铁两种，由于电机产生旋转动力，还得需要双向驱动桥路电路，并且我希望能够多次奖励，电机结构占地空间太大，就pass了。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">正巧在taobao上淘到了一款物美价廉，尺寸合适功能合适的电磁铁，这价格不比电机香么，于是就它了！</span></span></p>
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<span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">不过收到货之后才发现，跟设想的有偏差啊！</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">我以为他是默认弹出的，然后通电会缩回去，，</span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">结果是通电是弹出的。。。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">那我上面结构就废了，弹出去就关上了盖子，他还怎么吃。。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">后来想了想，索性重新设计下，这样还更好实现了，于是就有了如下图的方案，使用这个电磁铁弹簧弹力，将装玉米虫的小抽屉弹出去。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">弹出去的样子如下：</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">小盒子可以放一条虫子，奖励系统一次性可以奖励5条，够它一天的量了。</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">上面壳体可以放下电池和控制电路</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">结构原理设计好了，接下来设计硬件。</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">电磁铁特意挑选的</span><span lang="en-US" style="font-family:"Times New Roman"">3</span><span lang="en-US" style="font-family:"Microsoft YaHei"">v</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">驱动的，所以驱动电路很简单，只用一个</span><span lang="en-US" style="font-family:"Microsoft YaHei"">mos</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">外加续流二极管就行了，</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">直接用</span><span lang="en-US" style="font-family:"Microsoft YaHei"">RSL10</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的</span><span lang="en-US" style="font-family:"Microsoft YaHei"">IO</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">就可以驱动，于是画了个硬件图</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">但奈何时间</span> <span lang="zh-CN" style="font-family:"Microsoft YaHei"">不够了，如果连带</span><span lang="en-US" style="font-family:"Times New Roman"">RSL10</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">一起打样的话，蓝牙信号那边但凡出点问题可就费劲了</span></span></p>
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<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">所以简化了下，打算用</span><span lang="en-US" style="font-family:"Times New Roman"">RSL10</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">开发板</span> <span lang="zh-CN" style="font-family:"Microsoft YaHei"">连接驱动部分来实现</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">布好的layout图如下</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">好了，至此就可以发结构图打印，发layout打板了。</span></span></p>
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<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">下一贴介绍下软件部分的设计。</span></span></p>
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<p>结构件准备用什么材质</p>
<p>塑料的，金属的，布胶布的</p>
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