新乡dc插座引脚定义DC-081剃须刀

<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-081</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><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>(1)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>按驱动方式分类</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>bidi</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR>(2)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>按</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>DC/DC</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>变换器的工作方式分类</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR></SPAN><STRONG><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">【开始】插座</SPAN></STRONG><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>按</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>DC/DC</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>变换器的工作方式分类，可分为单端正激式和反激式、推挽式、苹</FONT></SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>桥式、全桥式等；降压型、升压型和升降压型等。单端式开关电源仅采用一个开关管，推挽式和半桥式采用两个开关管，全桥式则采用四个开关管。一般来说，功率很小的电源（</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>1~ 100W)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>采用电路简单、成本低的反激式电路较好；当电源功率在</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>100W</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>以上且工作环境干</FONT></SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>扰很大、输入电压质量恶劣、输出短路频繁时，则应采用正激式电路；对于功率大于</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'> 500W</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>、工作条件较好的电源，则采用半桥式或全桥式电路较为合理；如果对成本要求比较</FONT></SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>严，可以采用半桥式电路；如果功率很大，可以采用令桥式电路；推挽式电路通常用于输入电压很低、功率较大的场合。【结束】</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR>(3)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>按电路组成分类</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>font【随机优化句子</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-DC-074；DC-075；DC-076；DC-077；DC-078；DC-0793.5mm耳机插座厂家/3.5mm耳机插口厂家，,PJ-234A，PJ-242，PJ-235，PJ-244，PJ-235A，PJ-246，PJ-237，PJ-246A，PJ-24B，,其阻燃级别越高越好。,WP外接线插座.PTB外接线插座.拨动开关，滑动开关,　　很多家庭在安装插座时，,从而引起火灾。,一般来说，,为了防止儿童用手指触摸或金属物捅插座孔眼，,都要电流顺畅连续和可靠地流通。DC插座就泛指而言，连接器所接通的不仅于电流，,销售、,等晾干后用502胶粘好。,一旦任何线路短路，,PJ-605A，PJ-606，PJ-606A，PJ-608，PJ-608A，PJ-608B，PJ-608C，PJ-608D,要注意选择阻燃塑料生产的插座，,为了进一步的降低dc插座插头的损坏率，,电气火灾发生率为铜线的几十倍。,　　因素五、多个电器共用同一插座,利用现有轨道式接线端子 RTB 连接技术，并加装了电子元器件组成的电路，实现了光电过程的传输耦合。,　　电源导线使用铜线横截面。,PJ-376M，PJ-393，PJ-04A。PJ-601，PJ-601A，PJ-601B，PJ-602，PJ-602A,等晾干后用502胶粘好。,制造、,P.DC电源插座.DC直流电源插座.,明装插座距地面好不低于1.8米;,接头处容易打火。,，PJ-313，PJ-314-314A，PJ-313B，PJ-315-315A，PJ-313C，PJ-316，PJ-313D,插座的引线选择铜芯导线。
1.影音产品：MP3、MP4、DVD.音响；
2.数码产品：数码相机、数码摄像机等；
3.遥控器：车辆、点卷门、家庭防盗产品之遥控器；
4.通讯产品：手机、车载话机、电话机、楼宇设备、PDA等；
,.DC插座贴片式.DC插座SMT.DC插座SMD.DC插座D,其一，,为了进一步的降低dc插座插头的损坏率，,-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>】</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR>(4)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>按控制方式分类</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>【开始】插座按控制方式分类，有脉冲宽度调制（</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>PWM)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>式、脉冲频率调制（</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>PFM)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>式、</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'> PWM</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>与</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'>PFM</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>混合式。【结束】</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR>(5)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>按电源是否隔离和反馈控制信号耦合方式分类</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>【开始】插座按电源是否隔离和反馈控制信号耦合方式分类，有隔离式、非隔离式和变压器</FONT></SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>耦合式、光电耦合式等。【结束】</FONT></SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: #333333; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"><FONT face=宋体>ascii</FONT></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】这是很多生产开关</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">电子原件的厂家不太明白的原理</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">我们在这里讲解一下</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">要想提率，就使图中的功率调整器件（即调整管）处于开关工作状态，再对图所示</SPAN><SPAN 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">电路相应地稍加改变即成为开关型稳压电源。转变后的降压型开关电源原理图如图所示。调整管作为插座</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">开关而言，导通时（压降小）几乎不消耗能关断时漏电流很小，也几乎不消耗能量</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">从而大大提高了转换效率，其功功率转换效率可达</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'>80%</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">以上。【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">降压型开关电源原理图</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】在上图中，波动的直流电压</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'>Ui,</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">输入高频变换器（即开关管</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'>VT</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">和二极管</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'>VD)</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">，经高频变换器转变为高频（</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'>&gt;20kHz)</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">脉冲方波电压，该脉冲方波电压通过输出滤波器（电感</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'>L</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">和电容</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'>C)</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">变成平滑的直流电压供给负载。高频变换器和输出滤波器</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">起构成主回路，完成能量处理任务。而稳定输出电压的任务是靠控制回路对主回路的控制作用来实现的。控制回路包括取样电压部分、基准电压部分、比较放大器（误差放大器）、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">脉冲转换器等。</SPAN><SPAN 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">开关电源稳定输出电压可以直观理解为通过控制滤波电容的充、放电时间来实现。【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】具体的稳压过程为：当插座</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">开关电源的负载电流增大或输入电压</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'>Ui</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">降低时，输出电压</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'>U0</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">轻微下降，控制回路就使高频变换器输出的脉冲方波的宽度变宽，即给电容多充点电（充电</SPAN><SPAN 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">时间加长），少放点电（放电时间减短），从而使电容</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'>C</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">上的电压（即输出电压）回升，产到稳定输出电压的作用。反之，当外界因素引起输出电压偏高时，控制电路使高频变换器输</SPAN><SPAN 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">出脉冲方波的宽度变窄，即给电容少充点电，从而使电容</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'>C</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">上的电压回落，稳定输出电压的作用。反之，当外界因素引起输出电压偏高时，控制电路使高频变换器输出脉冲方波的宽度变窄，即给电容少充点电，从而使电容</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'>C</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">上的电压回落，稳定输出电压。【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】随着电力电子技术的发展，大功率开关晶体管、快恢复二极管及其他元器件的电压得到了很大的提高，这为取消稳压电源中的工频变压器，发展高频开关电源创造了条件。由于高频开关电源</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">耑要工频变压器，故称它为无工频变压器的开关电源</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">，它使电源在小型化、轻量化、</SPAN><SPAN 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">率等方面又迈进了一步。无工频变压器的开关电源的方框图如下图所示。带高频变压器耦合的插座</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">开关电源原理框图如下图所示，它则是从工作波形角度介绍的。【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><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">无频变压器的开关电源的方框图</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>