电磁炉热敏电阻扯下来测100K，装上测20K，不捡祸，保险igbt都没坏，啥原因？求解 电磁炉IGBT上传感器的热敏电阻坏了会导致什么问题?
\u7535\u78c1\u7089\u4e0d\u901a\u7535\u662f\u4ec0\u4e48\u539f\u56e0\uff0c\u4fdd\u9669\u6ca1\u574f\uff0c\u4e0d\u901a\u7535\u7535\u78c1\u7089IGBT\u4e0a\u4f20\u611f\u5668\u7684\u70ed\u654f\u7535\u963b\u574f\u4e86\u4f1a\u5bfc\u81f4\u5f00\u673a\u4e00\u4f1a\u513f\u4fdd\u62a4\u505c\u673a\u5e76\u663e\u793aIGBT\u8fc7\u70ed\u6545\u969c\u4ee3\u7801\u3002
IGBT\u4e00\u4e9b\u65b0\u5c01\u88c5\u7ed3\u6784\u7684\u6a21\u5757\u4e2d\uff0c\u5185\u90e8\u5c01\u88c5\u6709\u6e29\u5ea6\u4f20\u611f\u5668(NTC)\u3002\u5982\u529f\u7387\u96c6\u6210\u6a21\u5757(PIM)\uff1b\u516d\u5355\u5143(EconoPACK)FS\u7cfb\u5217\uff1b\u4e09\u76f8\u6574\u6d41\u6865(Econobridge)\uff1bEasyPIM\uff1bEasyPACK\uff1bEasybridge\uff1b\u56db\u5355\u5143H-\u6865(Econo-FourPACk)\uff1b\u589e\u5f3a\u578b\u534a\u6865(Econodual+)\u7b49\u6a21\u5757\u5185\u5747\u5c01\u88c5\u6709NTC\u6e29\u5ea6\u4f20\u611f\u5668\u3002
NTC\u662f\u8d1f\u6e29\u5ea6\u7cfb\u6570\u70ed\u654f\u7535\u963b\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u68c0\u6d4b\u529f\u7387\u6a21\u5757\u7684\u7a33\u6001\u58f3\u6e29(Tc)\u3002\u6a21\u5757\u5185\u5c01\u88c5\u7684NTC\u70ed\u654f\u7535\u963b\u53c2\u6570\u5b8c\u5168\u76f8\u540c\u3002
NTC\u662f\u5b89\u88c5\u5728\u7845\u7247\u7684\u9644\u8fd1\u4ee5\u5b9e\u73b0\u7d27\u5bc6\u7684\u70ed\u8026\u5408\uff0c\u6839\u636e\u4e0d\u540c\u7684\u6a21\u5757\uff0c\u53ef\u5c06\u7528\u4e8e\u6d4b\u91cf\u6a21\u5757\u58f3\u6e29\u7684\u6e29\u5ea6\u4f20\u611f\u5668\u4e0e\u82af\u7247\u76f4\u63a5\u5c01\u88c5\u5728\u540c\u4e00\u4e2a\u9676\u74f7\u57fa\u677f(DCB)\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u5c06NTC\u5b89\u88c5\u5728\u4e00\u4e2a\u5355\u72ec\u7684\u57fa\u677f\u4e0a\uff0c\u5927\u5927\u7b80\u5316\u6a21\u5757\u58f3\u6e29\u7684\u6d4b\u91cf\u8fc7\u7a0b\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u4fdd\u7ba1\u6ce8\u610f\u4e8b\u9879
\u4e00\u822c\u4fdd\u5b58IGBT\u6a21\u5757\u7684\u573a\u6240\uff0c\u5e94\u4fdd\u6301\u5e38\u6e29\u5e38\u6e7f\u72b6\u6001\uff0c\u4e0d\u5e94\u504f\u79bb\u592a\u5927\u3002\u5e38\u6e29\u7684\u89c4\u5b9a\u4e3a5\uff5e35\u2103 \uff0c\u5e38\u6e7f\u7684\u89c4\u5b9a\u572845\uff5e75%\u5de6\u53f3\u3002\u5728\u51ac\u5929\u7279\u522b\u5e72\u71e5\u7684\u5730\u533a\uff0c\u9700\u7528\u52a0\u6e7f\u673a\u52a0\u6e7f; \u5c3d\u91cf\u8fdc\u79bb\u6709\u8150\u8680\u6027\u6c14\u4f53\u6216\u7070\u5c18\u8f83\u591a\u7684\u573a\u5408\u3002
\u5728\u6e29\u5ea6\u53d1\u751f\u6025\u5267\u53d8\u5316\u7684\u573a\u6240IGBT\u6a21\u5757\u8868\u9762\u53ef\u80fd\u6709\u7ed3\u9732\u6c34\u7684\u73b0\u8c61\uff0c\u56e0\u6b64IGBT\u6a21\u5757\u5e94\u653e\u5728\u6e29\u5ea6\u53d8\u5316\u8f83\u5c0f\u7684\u5730\u65b9\uff1b \u4fdd\u7ba1\u65f6\uff0c\u987b\u6ce8\u610f\u4e0d\u8981\u5728IGBT\u6a21\u5757\u4e0a\u5806\u653e\u91cd\u7269\uff1b \u88c5IGBT\u6a21\u5757\u7684\u5bb9\u5668\uff0c\u5e94\u9009\u7528\u4e0d\u5e26\u9759\u7535\u7684\u5bb9\u5668\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-IGBT
建议测一下电容
绛旓細寤鸿娴嬩竴涓嬬數瀹
绛旓細浣犳祴璇曚笅灏辩煡閬撲簡锛 闃滈槼鐜囩憻鏁扮爜浜ゅ弸缇ら個璇蜂綘鍔犲叆:324051675
绛旓細缁濆ぇ澶氭暟鍝佺墝鐨鐢电鐐,鍏堕攨搴鐑晱鐢甸樆鐨勫喎鎬侀樆鍊奸兘鏄100K惟,鍥犳107.8K惟鍩烘湰涓婃槸姝ｅ父鐨,濡傛灉涓嶆斁蹇,鍙互鐢ㄧ數鐑欓搧瀵瑰叾杩涜鍔犵儹鐨勫悓鏃舵祴閲忓叾闃诲,鍙瀹冪殑闃诲奸殢娓╁害鐨勫崌楂樿屼笅闄,灏辨槸娌℃湁闂鐨.
绛旓細鐢电鐐夌殑鐑晱鐢甸樆鍦ㄥ父娓╀笅闃诲肩害涓100k宸﹀彸锛屼篃鏈10K銆50K绛夎鏍硷紝浣嗘槸100K浣跨敤鐨勬瘮杈冨锛岃宸鍦1%鎴柭2%宸﹀彸锛孨TC鐑晱鐢甸樆闅忕潃娓╁害鍗囬珮闃诲煎噺灏忋傜儹鏁忕數闃绘湁寰堝绫诲瀷锛屼竴鑸噰鐢∟TC鐑晱鐢甸樆銆傝绛旀閫傜敤浜庤嫃娉婂皵銆佷節闃炽佺背瀹剁數纾佺倝绛夊ぇ閮ㄥ垎鍝佺墝鐨勭數纾佺倝銆
绛旓細闃诲奸殢娓╁害鍗囬珮I鑰岄檷浣庯紝灏辨槸鎵璋撶殑璐熸俯搴︾郴鏁帮紝瀹ゆ俯鏃讹紝100k惟宸﹀彸锛屽姞鐑悗锛屾俯搴﹀崌楂橈紝闃诲兼槑鏄惧噺灏忥紝鍒20鍗冩濮嗗啀鍗囨俯鍑忓皬锛屽氨涓嶆槑鏄句簡锛屾墍浠ョ嚎鎬у尯鍩熷ソ鐨勫湪100~20k娆у鑼冨洿銆傜櫨鎱ф苯杞︽妧鏈腑蹇 鍥炲鍥炲
绛旓細鐢电鐐鍐呯殑绾跨洏涓婃祴娓╃數闃绘槸涓涓礋娓╁害绯绘暟鐑晱鐢甸樆锛屽湪25鎽勬皬搴︽椂闃诲间负100K锛屾俯搴﹁秺楂橈紝闃诲间細瓒婂皬銆傜儹鏁忕數闃讳竴鑸敤纭呰兌鍖呰９锛屽湪涓婇潰娑傚鐑鑴傛潵浣跨敤銆傚彲浠ョ湅鐪嬫椂鎭掔殑浜у搧锛岀儹鏁忕數闃绘湁寰堝绫诲瀷锛屼綔涓烘祴娓╀娇鐢ㄧ殑涓鑸湁鐜诲皝鍨嬨佺幆姘ф爲鑴傚瀷銆佸皬澶村緞婕嗗寘绾垮瀷绛夛紝浣滀负鐢电鐐夌殑娴嬫俯鍏冨櫒浠讹紝涓鑸噰鐢ㄧ幓灏佸瀷...
绛旓細鍦ㄤ笉鍚岀幆澧冩俯搴︿笅鍏堕樆鍊兼槸鏈夊尯鍒殑锛鐢电鐐妫閿呰礋娓╁害绯绘暟鐑晱鐢甸樆闃诲间竴鑸槸100K鎴栬200K娆у銆備笉鍚屽巶瀹舵墍璁剧殑鐢甸樆鍊兼槸涓嶄竴鏍风殑銆傜數纾佺倝鏄埄鐢ㄧ數纾佹劅搴斿師鐞嗗埗鎴愮殑锛屽湪鍔辩绾垮湀涓氫互浜ゆ祦鐢碉紝浜х敓浜ゅ彉纾佸満銆傜敱浜庣數纾佹劅搴旀晥搴旓紝鍦ㄩ搧鎴栦笉閿堥挗鍒舵垚鐨勯噾灞為攨涓細浜х敓娑＄數娴侊紝鐢垫祦鐨勭劍鑰崇儹灏卞彲浠ュ椋熺墿杩涜鍔犵儹...
绛旓細杩欎釜涓鑸殑100k宸﹀彸鐨勪簡
绛旓細姝ｅ父
绛旓細甯哥敤鏍囩О涓100K惟(涓鑸父娓25搴涓嬫祴鍏堕樆鍊肩數闃100鍗冩)鐨勮礋娓╁害绯绘暟鐑晱鐢甸樆锛
