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人反对'"><i><img src="static/image/common/rec_subtract.gif" alt="反对" />反对<span id="recommendv_subtract">0</span></i></a> </div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-107950.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107950&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-107950.html">keke8866</a> </span> </div> <div class="date"><span>发布时间:</span> 2012-5-29 15:00</div> <div class="album_info"> <h3>正文摘要: </h3> <p>最近买了一批c-mount封装的红光管子，相同时点亮几个，可是又害怕短路，因为它封装的黄铜底座本来就是正极，所以想再贴吧里询问一下，又没有哪位点亮过，告诉下我应该注意什么？管子究竟可不可以串联或者并联，怎样 ...</p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_1014124" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107950.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107950&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107950.html" target="_blank" class="xi2">keke8866</a><em id="author_1014124"> 发表于</em> <span class="xg1 xw0">2012-6-11 09:13:08</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1014124"> <div class="quote"><blockquote><font size="2"><font color="#999999">fengfeng1 发表于 2012-6-7 14:52</font> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1012841&ptid=251312" target="_blank"><img id="aimg_ELvaz" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font><br /> 这个是什么胶水呀，导热性怎么样呢，弥勒介绍的是好办法</blockquote></div><br /> 就叫 绝缘导热硅胶，粘性OK 绝缘可以导热 我就在淘宝上买的。。。<br /> 导热系数大于1.2W/mC 绝缘电阻大于5*10（12次方）</td></tr></table> </div> <div id="comment_1014124" class="cm"> </div> <div id="post_rate_div_1014124"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[1014124] = ['ELvaz']; attachimggroup(1014124); </script> </div> <div id="post_1014121" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107950.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107950&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107950.html" target="_blank" class="xi2">keke8866</a><em id="author_1014121"> 发表于</em> <span class="xg1 xw0">2012-6-11 09:10:36</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1014121"> <div class="quote"><blockquote><font size="2"><font color="#999999">扬帆起航 发表于 2012-6-11 07:59</font> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1014062&ptid=251312" target="_blank"><img id="aimg_UrZgZ" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font><br /> 导热硅胶，导热硅脂，里面含有大量的挥发物，很有可能凝结在LD的腔面上。<br /> 如果一不小心涂多了，导热硅脂 ...</blockquote></div><br /> 那斑竹，我少量涂抹可以吗？或者有什么更好导热方法？又或者压根就不需要导热胶 我配上TEC就OK了？</td></tr></table> </div> <div id="comment_1014121" class="cm"> </div> <div id="post_rate_div_1014121"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[1014121] = ['UrZgZ']; attachimggroup(1014121); </script> </div> <div id="post_1014062" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10169.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10169&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10169.html" target="_blank" class="xi2">扬帆起航</a><em id="author_1014062"> 发表于</em> <span class="xg1 xw0">2012-6-11 07:59:41</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1014062"> <div class="quote"><blockquote><font size="2"><font color="#999999">keke8866 发表于 2012-6-10 23:16</font> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1014029&ptid=251312" target="_blank"><img id="aimg_fj657" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font><br /> 谢谢斑竹给予宝贵意见啊。<br /> 我的确是用的导热硅胶，为什么说用导热硅胶有可能会坏掉？</blockquote></div><br /> 导热硅胶，导热硅脂，里面含有大量的挥发物，很有可能凝结在LD的腔面上。<br /> 如果一不小心涂多了，导热硅脂里的有些东西就直接顺着C封装的上面爬到LD芯片上了。</td></tr></table> </div> <div id="comment_1014062" class="cm"> </div> <div id="post_rate_div_1014062"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[1014062] = ['fj657']; attachimggroup(1014062); </script> </div> <div id="post_1014029" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107950.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107950&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107950.html" target="_blank" class="xi2">keke8866</a><em id="author_1014029"> 发表于</em> <span class="xg1 xw0">2012-6-10 23:16:00</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1014029"> <div class="quote"><blockquote><font size="2"><font color="#999999">扬帆起航 发表于 2012-6-8 10:59</font> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1013176&ptid=251312" target="_blank"><img id="aimg_Y27YD" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font><br /> 楼主，我看你的图片，你在LD背后涂抹导热硅脂？<br /> 如果是导热硅脂，你的LD坏掉的可能性比较大。</blockquote></div><br /> 谢谢斑竹给予宝贵意见啊。<br /> 我的确是用的导热硅胶，为什么说用导热硅胶有可能会坏掉？</td></tr></table> </div> <div id="comment_1014029" class="cm"> </div> <div id="post_rate_div_1014029"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[1014029] = ['Y27YD']; attachimggroup(1014029); </script> </div> <div id="post_1013181" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10169.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10169&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10169.html" target="_blank" class="xi2">扬帆起航</a><em id="author_1013181"> 发表于</em> <span class="xg1 xw0">2012-6-8 11:08:15</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1013181"> LD串联是比较好控制的，首先，电压高，电流小，做电源的人很喜欢。<br /> 其次，电源的纹波对LD的损伤的可能性大大降低，而且整个模块抗静电损伤的能力增加。<br /> （但是你的LD是C封装的，绝缘的问题，你就要想好办法了。）<br /> 并联的问题是：每个LD的LIV特性不一样，会导致每个管子的电流可能有不同，如果某一个管子的工作电压很低，就容易引起实际电流超过额定电流。随着工作时间的推移，每个管子的老化情况不一样，也会导致每个管子上分配的电流发生变化。如果其中一个坏掉，有可能导致所有的管子都不工作。也有肯能导致所有的都工作在超额的状态。<br /> 个人觉得串联比并联好。个人意见，仅供参考，实际应用，还得问厂家和相关专业人员。</td></tr></table> </div> <div id="comment_1013181" class="cm"> </div> <div id="post_rate_div_1013181"></div> </div> </dd> </dl> </div> <div id="post_1013180" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10169.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10169&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10169.html" target="_blank" class="xi2">扬帆起航</a><em id="author_1013180"> 发表于</em> <span class="xg1 xw0">2012-6-8 11:07:55</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1013180"> LD串联是比较好控制的，首先，电压高，电流小，做电源的人很喜欢。<br /> 其次，电源的纹波对LD的损伤的可能性大大降低，而且整个模块抗静电损伤的能力增加。<br /> （但是你的LD是C封装的，绝缘的问题，你就要想好办法了。）<br /> 并联的问题是：每个LD的LIV特性不一样，会导致每个管子的电流可能有不同，如果某一个管子的工作电压很低，就容易引起实际电流超过额定电流。随着工作时间的推移，每个管子的老化情况不一样，也会导致每个管子上分配的电流发生变化。如果其中一个坏掉，有可能导致所有的管子都不工作。也有肯能导致所有的都工作在超额的状态。<br /> 个人觉得串联比并联好。个人意见，仅供参考，实际应用，还得问厂家和相关专业人员。</td></tr></table> </div> <div id="comment_1013180" class="cm"> </div> <div id="post_rate_div_1013180"></div> </div> </dd> </dl> </div> <div id="post_1013176" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10169.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10169&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10169.html" target="_blank" class="xi2">扬帆起航</a><em id="author_1013176"> 发表于</em> <span class="xg1 xw0">2012-6-8 10:59:13</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1013176"> 楼主，我看你的图片，你在LD背后涂抹导热硅脂？<br /> 如果是导热硅脂，你的LD坏掉的可能性比较大。<img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /></td></tr></table> </div> <div id="comment_1013176" class="cm"> </div> <div id="post_rate_div_1013176"></div> </div> </dd> </dl> </div> <div id="post_1012841" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-119803.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=119803&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-119803.html" target="_blank" class="xi2">fengfeng1</a><em id="author_1012841"> 发表于</em> <span class="xg1 xw0">2012-6-7 14:52:28</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1012841"> 这个是什么胶水呀，导热性怎么样呢，弥勒介绍的是好办法</td></tr></table> </div> <div id="comment_1012841" class="cm"> </div> <div id="post_rate_div_1012841"></div> </div> </dd> </dl> </div> <div id="post_1012656" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107950.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107950&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107950.html" target="_blank" class="xi2">keke8866</a><em id="author_1012656"> 发表于</em> <span class="xg1 xw0">2012-6-7 08:34:22</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1012656"> <div class="quote"><blockquote><font size="2"><font color="#999999">浮云 发表于 2012-6-5 09:06</font> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1011739&ptid=251312" target="_blank"><img id="aimg_jMvse" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font><br /> 楼上说的是个好想法，可以采纳<br /> 还有如此好的绝缘导热胶水，可靠吗？</blockquote></div><br /> 我买了一瓶 还OK 粘的不错 而且绝缘 至于导热 我还没有串联点亮</td></tr></table> </div> <div id="comment_1012656" class="cm"> </div> <div id="post_rate_div_1012656"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[1012656] = ['jMvse']; attachimggroup(1012656); </script> </div> <div id="post_1011739" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-53996.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=53996&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-53996.html" target="_blank" class="xi2">浮云</a><em id="author_1011739"> 发表于</em> <span class="xg1 xw0">2012-6-5 09:06:25</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1011739"> 楼上说的是个好想法，可以采纳<br /> 还有如此好的绝缘导热胶水，可靠吗？</td></tr></table> </div> <div id="comment_1011739" class="cm"> </div> <div id="post_rate_div_1011739"></div> </div> </dd> </dl> </div> <div id="post_1010707" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-83803.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=83803&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-83803.html" target="_blank" class="xi2">弥勒</a><em id="author_1010707"> 发表于</em> <span class="xg1 xw0">2012-6-2 10:49:01</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1010707"> 首先并联是不可行的，坚决不行。如果只有2只LD的话，可以考虑串联。但一定要作好绝缘和散热。不过，看楼住装LD的方法，暂时是没有这样的能力的。可以，考虑使用F封装的LD。如果有多只LD的话，建议采用负压驱动。就是说，所有LD正极接地，负极接负电流源，各LD单独驱动。当燃也可以使用F封装的LD串联。</td></tr></table> </div> <div id="comment_1010707" 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