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<H1 class=aTitle>电气工程图形符号</H1></DIV>
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<H2 class=subTitle>(二)</H2></DIV>
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<TD width=120>[日期:2006-01-08]</TD>
<TD align=middle>来源: 作者:</TD>
<TD align=right width=200>[字体:<A href="javascript:ContentSize(16)">大</A>
<A href="javascript:ContentSize(0)">中</A> <A
href="javascript:ContentSize(12)">小</A>] </TD></TR></TBODY></TABLE>
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<TD vAlign=center align=middle width=40></TD>
<TD vAlign=center align=middle width=240>图 形 符 号</TD>
<TD vAlign=center align=middle width=220>说 明</TD></TR>
<TR>
<TD align=middle>16</TD>
<TD align=middle><IMG height=86 src="(二)_电气工程图形符号.files/7016.jpg"
width=195></TD>
<TD colSpan=20>当操作器件被吸合时延时闭合的动合触点</TD></TR>
<TR>
<TD align=middle>17</TD>
<TD vAlign=center align=middle><IMG height=86
src="(二)_电气工程图形符号.files/7017.jpg" width=195></TD>
<TD>当操作器件被释放时延时闭合的动合触点</TD></TR>
<TR>
<TD align=middle>18</TD>
<TD align=middle><IMG height=86 src="(二)_电气工程图形符号.files/7018.jpg"
width=195></TD>
<TD>当操作器件被释放时延时闭合的动断触点</TD></TR>
<TR>
<TD align=middle>19</TD>
<TD align=middle><IMG height=86 src="(二)_电气工程图形符号.files/7019.jpg"
width=195></TD>
<TD>当操作器件被吸合时延时闭合的动断触点</TD></TR>
<TR>
<TD align=middle>20</TD>
<TD align=middle><IMG height=52 src="(二)_电气工程图形符号.files/7020.jpg"
width=195></TD>
<TD>当操作器件被吸合时延时闭合和释放时延时断开的动合触点</TD></TR>
<TR>
<TD align=middle>21</TD>
<TD align=middle><IMG height=58 src="(二)_电气工程图形符号.files/7021.jpg"
width=195></TD>
<TD>按钮开关(不闭锁)</TD></TR>
<TR>
<TD align=middle>22</TD>
<TD align=middle><IMG height=51 src="(二)_电气工程图形符号.files/7022.jpg"
width=195></TD>
<TD>旋钮开关、旋转开关(闭锁)</TD></TR>
<TR>
<TD align=middle>23</TD>
<TD align=middle><IMG height=47 src="(二)_电气工程图形符号.files/7023.jpg"
width=195></TD>
<TD>
<P>位置开关,动合触点<BR>限制开关,动合触点</P></TD></TR>
<TR>
<TD align=middle>24</TD>
<TD align=middle><IMG height=46 src="(二)_电气工程图形符号.files/7024.jpg"
width=195></TD>
<TD>
<P>位置开关,动断触点<BR>限制开关,动断触点</P></TD></TR>
<TR>
<TD align=middle>25</TD>
<TD align=middle><IMG height=45 src="(二)_电气工程图形符号.files/7025.jpg"
width=195></TD>
<TD>热敏开关,动合触点<BR>注:θ可用动作温度代替</TD></TR>
<TR>
<TD align=middle>26</TD>
<TD align=middle><IMG height=54 src="(二)_电气工程图形符号.files/7026.jpg"
width=195></TD>
<TD>热敏自动开关,动断触点<BR>注:注意区别此触点和下图所示热<A title=是用较小的电流去控制较大电流的一种“自动开关”
href="http://www.go-gddq.com/html/2007-02/412522.htm">继电器</A>的触点 <IMG
height=26 src="(二)_电气工程图形符号.files/7026-2.jpg" width=94></TD></TR>
<TR>
<TD align=middle>27</TD>
<TD align=middle><IMG height=52 src="(二)_电气工程图形符号.files/7027.jpg"
width=195></TD>
<TD>具有热元件的气体放电管荧光灯起动器</TD></TR>
<TR>
<TD align=middle>28</TD>
<TD align=middle><IMG height=73 src="(二)_电气工程图形符号.files/7028.jpg"
width=195></TD>
<TD>动合(常开)触点<BR>注:本符号也可用作开关一般符号</TD></TR>
<TR>
<TD align=middle>29</TD>
<TD align=middle><IMG height=53 src="(二)_电气工程图形符号.files/7029.jpg"
width=195></TD>
<TD>动断(常闭)触点</TD></TR>
<TR>
<TD align=middle>30</TD>
<TD align=middle><IMG height=48 src="(二)_电气工程图形符号.files/7030.jpg"
width=195></TD>
<TD>先断后合的转换触点</TD></TR></TBODY></TABLE></DIV>
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<TD colSpan=2 height=20>【内容导航】 </TD></TR>
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<TD width="50%" height=20>第1页:<A
href="http://www.go-gddq.com/html/2006-01/387836.htm">(一)</A> </TD>
<TD width="50%" height=20>第2页:<A class=highlight
href="http://www.go-gddq.com/html/2006-01/387836p2.htm">(二)</A> </TD></TR>
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<TD width="50%" height=20>第3页:<A
href="http://www.go-gddq.com/html/2006-01/387836p3.htm">(三)</A> </TD>
<TD width="50%" height=20>第4页:<A
href="http://www.go-gddq.com/html/2006-01/387836p4.htm">(四)</A> </TD></TR>
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