[原创]再谈接地123…

<p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">记得02年起迄今本曾多次在汽车媒体谈及关于接地的问题了</span><span lang="EN-US" style="COLOR: black; FONT-FAMILY: Arial; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt;">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">经多数人的要求借此重温了</span><span lang="EN-US" style="COLOR: black; FONT-FAMILY: Arial; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt;">…</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">基本原理：负极接地，在汽车音响改装中大家都俗称管叫<span lang="EN-US">“</span>搭铁<span lang="EN-US">”</span></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br/>   </span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">所有的车辆都是以电瓶作为电能量的储存媒介，输入与输出都必须经过它，既然是直流电</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">就是单行道罗</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">，正极和负极就变得同等重要了。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br/>  </span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">几乎所有的车子在出厂时，它的负极都是借着车身作为回路。所有的电装品负极</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">包括车灯、点火系统、计算机、感知器、怠速马达等等</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">都直接锁在车身钢板上</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">当然全车的钢板都焊接连成一体</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">，再由最靠近电瓶的车身处拉一条较粗负极线到电瓶负极完成整个回路。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br/>   </span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">在汽车音响的电源接地上是利用车身作负极回路一般有如下缺点：</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br/>   1.</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">在音改中由于所有负极接点都是用螺丝锁在车身上，螺丝接点往往会因时间及环境因素</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">例如湿度高</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">引起氧化</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">即生锈</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">，增加了电阻，回路的电压随之下降</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">压降</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br/>   2.</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">现代新型车子，几乎所有指令都由「计算机」来指挥各部门，从发动、空调到引擎燃烧的油气比及喷油量，变速箱的作动更是精密与之配合，还有无数多的小回路正在准备随时运行</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">(</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">例如</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">ABS</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">等安全设备</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">)</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">，这些都必须在一严苛条件下进行</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">…</span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">那就是「稳定的电压」。然而是一不健全的负极回路可能会影响整体电路的运作，进而影响计算机的判读，引起各机构不协调的互动。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><br style="mso-special-character: line-break;"/><br style="mso-special-character: line-break;"/></span></p>

<p><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">然而有人会问：电瓶不是很稳定的电压吗？</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">没错！电瓶本身是很稳定，但是电瓶流经「负载」再由车身回来时，部分的功率就浪费在车身「钢板」上，当系统需求电流小时浪费较少，电流大时电功率损失就很多，就会形成「较不稳定的电压」，电压降因此形成，因为实际的电压就比电瓶的电压要低多了。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">我们可由最基本的欧姆定律看出：</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/>  <span lang="EN-US">V=I*R<span style="mso-spacerun: yes;">        </span>P=I*V<span style="mso-spacerun: yes;">       </span>P=I*I*R=I</span></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">平方</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">*R </span></p><p><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">1.</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">若电阻</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">R</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">愈大，电压降</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">V</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">就愈大，电功率</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">P</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">损失愈大</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/><span lang="EN-US">2.</span></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">承上，若要维持一定的电压，电流</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">I</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">势必下降，除非再提高电压</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/><span lang="EN-US">3.</span></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">若要维持稳定的电压及额定的电流输出，电阻</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">R</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">必须愈小愈好</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/>    </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">在音改中负极接地的作法</span><span style="FONT-SIZE: 13.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">：</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/>    </span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">综观以上的电路结构，我们希望找到一种电阻很小的导体来代替车身当作负极回路改善之，当然最经济的材料就是铜线了。目前市面上大都使用无氧铜（</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">OFC</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">）电源线。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/>     </span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">在原车上大部分的接地点都在引擎室，事先把所有相关回路的接地点找出，大致可分左右车身（叶子钣）、引擎上盖、挡火墙、点火系统、发电机、节气门、变速箱等视情形增减。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">把这些点用端子压在铜线锁上，全部拉到一「负极分配器」又称接地盒，再由接地盒接一条到电瓶负极。这样就完成了负极接地的补强工程。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/>     </span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">当然说来简单，事前的准备工作样样不能少，举凡车种的接地点数、位置、适当且专业的工具、布线的路径、较优质的线材端子等皆是不可忽略的。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/>   <span lang="EN-US"><br/></span></span></p>

<span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">其次，为了完美的电力传输，除了负极接地外，特别提醒一般最容易忽略掉也是最重要的「电瓶桩子头」，因为所有电力传输与效率多寡都与之息息相关，不可留下伏笔。再之最好的接地线要比正极线记得要大一号罗。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">
<span lang="EN-US"><br/></span></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">负极接地对车性能之提升：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Arial;">
</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;"><br/></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">一</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">.</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">电路方面：做完负极接地后，电路完整性达到一致的稳压，所有回路运作正常，电压稳定，头灯电压升高亮度增加，汽车音响系统得以发挥应有的功率与音质，且能对影音系统杜绝杂音与噪声，对控制作动方面也能精确送出讯号，不会因接触不良产生错误讯息，各继电器更是快速有力，启动马达电能快速转换，节省电力进而保障延长电瓶寿命。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">
<span lang="EN-US"><br/></span></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">二</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">. </span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">机械传动方面：由于电子点火高压提升，发动容易，怠速稳定不易抖动，加速时油门顺畅快速不需重踩，变速箱顿挫感明显降低，长时间使用，自然节省燃油。</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">
<span lang="EN-US"><br/></span></span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">原厂车辆设计上必须考虑成本问题，我们拿到的仅是一辆</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">”</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">慎用</span><span lang="EN-US" style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: Arial;">”</span><span style="FONT-SIZE: 9.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">的车子，如果能事先弥补这些小缺点，它会变得非常完美，在这油价高涨的时代不失为一种省钱的方式.</span>

<p>很久以前我们洗澡不注重喷头的流量，现在知道淋浴头的喷水量越大，洗起澡来越爽，但是如果下水道排水不畅，也是不爽。</p><p>也就是说如果功放的正极流量大了，回路（负极）不够，功放还是不能尽情发挥它的功率的。所以说搭铁也很重要</p>

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老师！<img src="images/post/smile/dvbbs/em17.gif" />

<div class="quote"><b>以下是引用<i>毛磊</i>在2007-12-13 18:57:00的发言：</b><br/><p>很久以前我们洗澡不注重喷头的流量，现在知道淋浴头的喷水量越大，洗起澡来越爽，但是如果下水道排水不畅，也是不爽。</p><p>也就是说如果功放的正极流量大了，回路（负极）不够，功放还是不能尽情发挥它的功率的。所以说搭铁也很重要</p></div><p>毛总的话说得很中肯那!!!!!顶一个!</p>