海城dc插座母座大电流DC-023冷风扇

<STRONG><FONT color=#ff0000 size=5>手机:&nbsp; :274959622&nbsp; 联系人:邹先生<BR></FONT><FONT color=#ff0000 size=5>东莞市全禄电子科技有限公司官网:</FONT></STRONG><BR><BR><BR><BR><BR><BR>

<P>型号：DC-023</P><BR><BR><BR><BR><BR><BR><BR>

<P><FONT color=#ff0000><SPAN style="WORD-WRAP: break-word; FONT-SIZE: 14pt; FONT-FAMILY: 宋体; WHITE-SPACE: pre-wrap !important; WORD-BREAK: break-all; COLOR: rgb(68,68,68); LINE-HEIGHT: 1.8"><STRONG>因价格常有浮动，以咨询价格为准，请咨询好再进行购买，谢谢！</STRONG></SPAN></FONT><IMG alt="" src="" data-ke-src=""></P><P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】而且，当</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">适配器不设置为整流用时，输出的不再是</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>DC(</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">直流电</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">而是</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC(</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">交流电</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">，在此没有采用交流功能。适配器的铭牌标志通常如下图所示，需要仔细查看铭牌内容，确认引脚极性。此次所使用的</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">适配器中心引脚为正极性，</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>DC</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">插座后端引脚为正极，中心下方的引脚为接地线。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P><BR>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>DC</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">插座主要包括输入电网滤波器、输人整流滤波器、逆变器、输出整流滤波器、控制电路、保护电路。它们的功能介绍如下。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'>(1)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">输入电网滤波器：消除来自电网的干扰，如电动机的启动、电器的开</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">关、雷击等产生的干扰，同时也防止开关插座产生的高频噪声向电网扩散。</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">输入整流滤波器：对电网输入电压进行整流滤波，为变换器提供直流电压。</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'><BR>(3)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">逆变器：是开关插座的关键部分，它把直流电压变换成高频交流电压，并且起到将输出部分与输入电网隔离的作用。</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'><BR>(4)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">输出整流滤波器：将变换器输出的高频交流电压整流滤波后得到需要的直流电压，同时还防止高频噪声对负载的干扰。</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'><BR>(5)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">控制电路：检测输出直流电压</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">并将其与基准电压比较后进行放大，调制振荡器的脉冲宽度，从而控制变换器以保持输出电压的稳定。</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'><BR>(6)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">保护电路</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">当开关电源发生过电压、过电流短路时，保护电路使开关电源停止工作以保护负载和电源本身。</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线性电源一般是将输出电压取样辱与参考电压一起送入比较电压放大器，此电压放大器的输出作为电压调整管的输入，用以控制调整管使其结电压随输入的变化而变化，从而调整其输出电压。但开关电源是通过改变调整管的开和关的时间（即占空比）来改变输出电压的。如果大家想了解开关插座与线性插座的主要性能，请下载。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">【开始】线性插座与自来水管类似，由于没有开关介人，使得上水管一直在放水，如果有多的水，就会漏出来，这就是我们经常看到的某些线性插座的</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'>M0S</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">管发热量很大，用不完的电能全部转换成了热能。从这个角度来看，线性插座的转换效率就非常低了，而且热量高时，元件的寿命势必要下降，影响终的使用效果。由于线性插座的功率器件工作在线性状态，所以其工作效率低，一般为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA'>50%-60%</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">。线性插座的工作方式，使得从高压变低压有降压变压器，再经过整流输出直流电压，这样就造成其体积很大，笨重，效率低、发热量也大。当然，线性插座也有优点：纹波小，调整率好，对外干扰小，适合用于模拟电路、各类放大器领域。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; 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><BR>