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 <title><![CDATA[加热器坏了或者断线了需要报警，用低成本 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 加热器坏了或者断线了需要报警，用低成本 ..]]></description>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2301812.html]]></link>
 <author><![CDATA[欢哥最靓仔啊]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Aug 2022 09:28:34 +0000]]></pubdate>
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 <description><![CDATA[电流继电器，淘宝一大把。
 [attachment=271127]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2301537.html]]></link>
 <author><![CDATA[meipingboy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 16 Aug 2022 08:36:13 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第8楼luohe0于2012-08-03 12:34发表的&nbsp;&nbsp;:
每个加热管进线加个电流互感器，二次线可以驱动指示灯或继电器。
[/quote]
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;驱动电流表或LED灯，怎么样？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2301465.html]]></link>
 <author><![CDATA[zhtokokk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 16 Aug 2022 03:48:43 +0000]]></pubdate>
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 <description><![CDATA[我们当时加了电流表，并在屏幕显示电流值，设置电流范围]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2262851.html]]></link>
 <author><![CDATA[工控菜鸟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 05 Mar 2022 05:47:21 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第34楼qj_wgx于2022-03-05 13:22发表的&nbsp;&nbsp;:
[s:28]&#160;&#160;[s:28] 电流开关呗，设定电流，小于这个设定电流就动作，当然还可能需要电流互感器，毕竟电流开关的范围是有限的几个 [s:26]
[/quote]
不过如果考虑成本还是可以加热器断线报警器吧，原理是一样的，成本会低一点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2262848.html]]></link>
 <author><![CDATA[qj_wgx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 05 Mar 2022 05:24:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:28] 电流开关呗，设定电流，小于这个设定电流就动作，当然还可能需要电流互感器，毕竟电流开关的范围是有限的几个 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2262847.html]]></link>
 <author><![CDATA[qj_wgx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 05 Mar 2022 05:22:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[30楼正解]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2262746.html]]></link>
 <author><![CDATA[payfsl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 04 Mar 2022 22:01:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[淘宝搜加热器断线报警器，炜固有一款]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2261785.html]]></link>
 <author><![CDATA[张jiafeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Mar 2022 05:07:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用楼主dzhhwx于2012-08-03 11:23发表的 加热器坏了或者断线了需要报警，用低成本实现 :
一个加热箱有八根加热管，在设备加热的时候如果有其中一个加热管坏了就要报警，什么办法实现？
[/quote]
搞个电流变送器，监控电流]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#2261780.html]]></link>
 <author><![CDATA[zhaiwenjun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Mar 2022 04:28:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流互感器，用二次线路驱动指示灯，实验证明可行&nbsp;&nbsp; ？二次线路还要加转换电路了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1319358.html]]></link>
 <author><![CDATA[tangwang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 06 Aug 2012 06:25:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流继电器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1319051.html]]></link>
 <author><![CDATA[zjp0903]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 22:49:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意25楼，以前的厂就是这个方法，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1319045.html]]></link>
 <author><![CDATA[gongyefanwei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 22:17:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习啦！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1319003.html]]></link>
 <author><![CDATA[kerry]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 14:52:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是每一根电加热都接一个电流表就晓得了，没电流肯定坏了。指示灯是不能并联的，比如220V你并联在发热管两端指示灯亮，当发热管坏指示灯也是亮的哦。所以是不能并联的只能串联指示灯，意识和保险坏指示灯亮时一个道理。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318882.html]]></link>
 <author><![CDATA[yaanlh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 11:24:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[上图说话！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318755.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 05:49:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[温控加电流互感器检测来实现控温，比较可靠。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318744.html]]></link>
 <author><![CDATA[sunboy1234]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 05:30:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还是检测电流比较好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318736.html]]></link>
 <author><![CDATA[yzhlql]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 05:02:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第20楼gumeng于2012-08-05 10:01发表的&nbsp;&nbsp;:
可以在每条发热管上加一保险管，在保险管两端并联发光二极管。
[/quote]
对保险烧断发光二极管会亮，但发热管内断线还是不会亮，连接线断也不会亮，无法报警。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318686.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 02:46:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以在每条发热管上加一保险管，在保险管两端并联发光二极管。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318659.html]]></link>
 <author><![CDATA[gumeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 02:01:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[检测电流是个好办法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318653.html]]></link>
 <author><![CDATA[cuixiaobao12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Aug 2012 01:50:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流表检测]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318456.html]]></link>
 <author><![CDATA[zjgsaaazcc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 04 Aug 2012 12:22:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[OMRON的E5_Z系列温控表就有加热丝断线检测]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318119.html]]></link>
 <author><![CDATA[黎明]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 15:45:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流互感器，用二次线路驱动指示灯，实验证明可行 [s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318092.html]]></link>
 <author><![CDATA[hulilanyu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 15:07:37 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[串联一接触器，用常闭触点连接一蜂鸣喇叭，不知道可以实现不，本人没实际操作经验，还忘赐教]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318014.html]]></link>
 <author><![CDATA[373639440]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 13:25:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意10楼的,通过检测电流的大小来判断发热管的好坏]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1318006.html]]></link>
 <author><![CDATA[在肇兴]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 13:13:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[5楼说的很对，证明确实有独特的思想，我以前见过这样的线路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1317986.html]]></link>
 <author><![CDATA[fom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 12:32:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可在线路串个很小的（阻值）电阻，在电阻两端并联一个发光二极管，加热器工作时，发光二极管工作，断开时不亮。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1317837.html]]></link>
 <author><![CDATA[chenzexiong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 06:24:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[对啦，检测每根发热管电流，并且还要温控器自带电流检测]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1317822.html]]></link>
 <author><![CDATA[李想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 06:05:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流检测，有些温控表自带的，可以参考]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1317818.html]]></link>
 <author><![CDATA[七十年代]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 05:57:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1388631#1317797.html]]></link>
 <author><![CDATA[692326512]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Aug 2012 05:03:37 +0000]]></pubdate>
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