?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 实用性ƈ不高 Lumia 820无线充电使用研究_电脑报在U?/title> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="icyog"><s id="icyog"><acronym id="icyog"></acronym></s></object><dd id="icyog"><nav id="icyog"><code id="icyog"></code></nav></dd><kbd id="icyog"></kbd><samp id="icyog"><menu id="icyog"><tt id="icyog"></tt></menu></samp><legend id="icyog"></legend><noscript id="icyog"><center id="icyog"><optgroup id="icyog"></optgroup></center></noscript><noscript id="icyog"></noscript><li id="icyog"></li><wbr id="icyog"><wbr id="icyog"><div id="icyog"></div></wbr></wbr><object id="icyog"></object><tr id="icyog"></tr><optgroup id="icyog"></optgroup><label id="icyog"><s id="icyog"><acronym id="icyog"></acronym></s></label><object 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href="/Smartphone/WindowsPhone/WindowsPhonejq/3191/319184.htm">正文</a></li> <li class="this" id="commentBar"><a href="/Comment_319184.html" style="text-decoration: none">我来说两?span>(已有<span class="fcred commentNum">0</span>人参?/span><span>)</span></a></li> </ul> </div> <div class="sub4textexpl"> <ul> <li>2013-6-28 15:40:09</li> <li>cdQ原?/li> <li>来源Q?span>电脑?/span></li> <li>报纸~辑Q?a id="editor" href="/EditorArticle/22/" style="text-decoration: underline; color: blue;">熊乐</a></li> <li>作者:</li> </ul> </div> <div class="sub4summary"> 【电脑报在线】最q入手了一台诺ZLumia 820 手机Q没惛_q附送了一套第三方Qi标准无线充电套装。在感叹手机无线充电的门槛已l如此之低,不到2000元的手机卛_用上的同ӞW者也ҎU充电生了强烈的兴。加入了ҎU充电功能之后,对品设计有哪些影响Q在实际的用中又有哪些区别呢? </div> <div class="sub4text"> <p><span style="font-family:SimSun;">    最q入手了一台诺ZLumia 820 手机Q没惛_q附送了一套第三方Qi标准无线充电套装。在感叹手机无线充电的门槛已l如此之低,不到2000元的手机卛_用上的同ӞW者也ҎU充电生了强烈的兴。加入了ҎU充电功能之后,对品设计有哪些影响Q在实际的用中又有哪些区别呢?׃Lumia 820为样本,q行一ơ研I?/span></p><p><span style="font-family:SimSun;"><br /></span></p><p></p><p><span style="font-family:SimSun;">Qi无线充电体验</span></p><p></p><p><span style="font-family:SimSun;">换壳LQ机w重量增1/3</span></p><p><span style="font-family:SimSun;">    从前面的技术解析可以知道,要让手机支持Qi无线充电Q那么就必须在手Z增加一pd的设备,包括接收U圈、用于将늣信号转换的芯片等。这样一来,对于手机的设计有那么影响呢?</span></p><p><span style="font-family:SimSun;">    拆开Lumia820的后盖,W者发现手机内部ƈ没有集成Qipȝ讑֤Q而是接收线圈、芯片等都集成到专用后盖上,手机背面仅仅预留?个金属触点,以供甉|充电所用。这是目前比较通用的做法,好处是降低设计难度,不用考虑充电元g的摆放以及电信号对于内部元件的q扰{问题。对于Lumia 820q样定位中端的手机,照顾到成本,出厂时只是配备了普通后盖。如果要用上无线充电功能Q就得另外购买诺Z无线充电套装Q约人民?38元)或第三方无线充电套装Qh民币200元以内)。用无U充电功能的时候,只要外x掉即可,q一操作对于“科技以换壳ؓ本的”诺Z手机来说Qƈ不是一件困隄事?/span></p><p><span style="font-family:SimSun;">    对于一?.3英寸屏幕的手机来_Lumia 820自n160g的重量已l比较偏重了。换上无U充电后盖之后,W者明昑֜感到手机拿v更加的沉Q毕竟后盖集成了U圈、芯片等讑֤Q重量的增加也在我的预料之中。只是手机整体重量更是达C214gQ整整增加了54gQ相当原机重量的1/3。要知道5.5英寸的Note2也就185gQ这L状态下相当于拿着两部iPhone5Q单?12gQ,q分量着实不轅R另外提一下,q个W三方的无线充电外壳的做工确实比较的_糙Q细节处有明昄问题。笔者安装上M后,音量按键处有问题Q手Z自动音量开到最大,界面上方L那么一个音量条Q让人很郁闷?/span></p><p><span style="font-family:SimSun;"><img src='http://img.icpcw.com/Article/2013/06/973feb842f23a8c69f3579a699730376.jpg' class='contPic'/></span></p><p><span style="font-family:SimSun;">手机所有的充电讑֤都设计到了后盖之中,手机上只留下?个金属触点,用来与后盖进行连接,以便q行充电</span></p><p><span style="font-family:SimSun;"><img src='http://img.icpcw.com/Article/2013/06/6d02d44a3d6f40d2c7836a63c9169ed0.jpg' class='contPic'/></span></p><p><span style="font-family:SimSun;">原装外壳Q左Q与无线充电外壳Ҏ</span></p><p><br /></p><p></p><p><span style="font-family:SimSun;">有线/无线充电旉Ҏ完|</span></p><p><span style="font-family:SimSun;">    接下来就是就是实际的充电环节Q笔者先用诺Z原装的充电器q行试验Q?650mAh的电池还?%的时候开始充电,电池充满d用了135分钟。然后是无线充电器,连接线q到充电底上之后,底上的指示灯会昄U色。只要把手机攑ֈ上面Q指C灯立马变成了绿Ԍq就表示开始充电啦。同h从电?%的电量开始充电,整个q程用了203分钟Q多?8分钟Q时间长了一半。在充电旉上,无线充电完|?/span></p><p><span style="font-family:SimSun;">    Z么无U充甉|间会长这么多呢? W者又用功耗A分别试了一下有U?无线充电时的功耗情c最后的l果是有U充甉|的功耗ؓ7.5WQ而无U充늚功耗还E微低一点,只有7.1W。但是考虑到Qi无线充电的{换效率最高只有有U充늚70%Q而且q个做工比较_糙的第三方无线充电套装Q应该还达不到这个效率。因此有U?无线充电在功耗效率相同的情况下,转换效率更高的有U充甉|式的充电效率要高Z大截Q这是Z么无U充甉|间会廉一半的原因所在?/span></p><table class=" "><tbody><tr><td width="706" valign="top" colspan="3"><p><span style="font-family:SimSun;">有线/无线充电Ҏ</span></p></td></tr><tr><td valign="top"><p></p></td><td valign="top"><p><span style="font-family:SimSun;">有线充电</span></p></td><td valign="top"><p><span style="font-family:SimSun;">无线充电</span></p></td></tr><tr><td valign="top"><p><span style="font-family:SimSun;">充电旉</span></p></td><td valign="top"><p><span style="font-family:SimSun;">135分钟</span></p></td><td valign="top"><p><span style="font-family:SimSun;">203分钟</span></p></td></tr><tr><td valign="top"><p><span style="font-family:SimSun;">充电功?/span></p></td><td valign="top"><p><span style="font-family:SimSun;">7.5W</span></p></td><td valign="top"><p><span style="font-family:SimSun;">7.1W</span></p></td></tr></tbody></table><p></p><p><span style="font-family:SimSun;">极近的用距?/span></p><p><span style="font-family:SimSun;">    都知道无U充늚使用距离非常的近Q那么究竟近到哪U程度呢Q笔者把手机后盖中心Q接收线圈)攑ֈ充电底Q发线圈)上时Q灵敏度q行Q立马就开始充电了。但是如果把手机接收U圈的位|稍微挪动一点,q不是正对发线圈时Q手机根本就感应不到发射U圈发出的信受把手机贴着底前后左右试了一圈,也是如此Q完全不能感应到信号。然后笔者又试着手机拿P刚刚拿到距离底大概3cm地方Q就昄充电已经断开?/span></p><p><span style="font-family:SimSun;"> </div> <div class="invest" id="vote" style="display: none"> </div> <div class="s4pg martop10"> <div class="pager"> <span class='disable'>|<</span><span class='disable'><</span><span class='selected'>1</span><a class='effective' href='/Smartphone/WindowsPhone/WindowsPhonejq/3191/319184_2.htm'>2</a><a class='effective' href='/Smartphone/WindowsPhone/WindowsPhonejq/3191/319184_2.htm'>></a><a class='effective' href='/Smartphone/WindowsPhone/WindowsPhonejq/3191/319184_2.htm'>>|</a><div class="viewall"><a href="/Smartphone/WindowsPhone/WindowsPhonejq/3191/319184_all.htm">在本|看全?/a></div> </div> </div> <div class="sub4frht"> 本文2013-07-01出版的《电脑报?013q第25?D.手机</br> (|站~辑Qpcw2013)</br> </br> </br> </div> </div> <div class="share"> <table> <tr> <td> <div 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